Technalogix TXF50 FM Broadcast Transmitter, 50 Watts User Manual FM Manual 30 Sep 2014

Technalogix, Ltd. FM Broadcast Transmitter, 50 Watts FM Manual 30 Sep 2014

Users Manual

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FM TRANSMITTER
Introduction
You’ve already unpacked it, haven’t you? You’ve unpacked it and plugged it in
and turned it on and fiddled with the knobs. No? Okay, good. Please take a few
minutes to read the manual and familiarize yourself with your new Technalogix
FM power amplifier or transmitter.
We believe that this user manual, the Quickstart package (Final Inspection
Report, Wiring Hookup, and Block Diagram), and of course our equipment,
should be everything you need to get on the air with a superb audio signal. We
understand that a capable and confident user will get the most out of our product
and we have made every attempt to educate readers of all technical levels. If
there is something that is not clear, or you require further information, please do
not hesitate to contact us and we’ll be glad to help out.
Technalogix Ltd.
#4, 8021 Edgar Industrial Place
Red Deer, Alberta, Canada
T4P 3R3
Phone: 403.347.5400
Fax: 403.347.7444
URL: www.technalogix.ca
Email: technical@technalogix.ca
sales@technalogix.ca
All information that is specific to your unit is contained within the Quickstart
package (Final Inspection Report, Wiring Hookup, and Block Diagram) included
in the shipped equipment container. This Quickstart package summarizes
performance specifications, provides wiring hookup details, and outlines specific
components found in the system.
We truly appreciate that you have chosen us as your RF equipment supplier.
Happy transmission!
Last Revised:
30-Sep-2014
2
Terms and
Warranty
This section is written as a general guide to keep all five fingers on your hand
and is intended for those having previous knowledge and experience with these
kinds of equipment. It is not intended to contain a complete statement of all
safety precautions, which should be observed by personnel using this or other
electronic equipment.
Safeguards
General Safeguards
Installation
Operation
Control System
Do not attempt to service this equipment yourself as opening or removing covers
can result in a warm tingly feeling and will void the warranty. Refer all servicing
to qualified service personnel.
RF Components
Servicing
Power Supply
To reduce the risk of fire or electric shock, do not expose this equipment to rain,
moisture, or rye and sodas at the company Christmas party. Refer all servicing to
qualified service personnel.
Maintenance
Environment
10
Troubleshooting
Read, retain and follow instructions before operating the equipment. There is a
lot of useful information in the manual, and besides, we spent a lot of time writing
it!
Principle of
Operation
Documentation
There are three principle degrees of burns, recognizable as follows:
 a first-degree burn reddens the skin.
 a second-degree burn blisters the skin.
 a third degree burn chars the flesh and frequently places the victim in a
state of shock accompanied by respiratory paralysis.

Respiratory paralysis can cause death by suffocation within seconds. It is
imperative that the approved methods of artificial respiration are initiated
immediately and continue until the victim’s breathing is normal.

A muscular spasm of unconsciousness may render the victim unable to break
free of the electric power. If this is the case, turn the power off immediately.
Do not touch the victim or you may share the same predicament!

If the power cannot be turned off immediately, very carefully loop a dry rope,
article of clothing, length of strong cloth or a rolled-up newspaper around the
victim and pull the victim free of the power source. Carefully avoid touching
the victim or clothing.

Once free of the power source, the victim must be placed in a reclining
position and covered with a blanket or newspapers to keep warm. At the first
opportunity, enlist help in summoning a doctor. If a doctor cannot be
summoned, transport the victim to the doctor or a hospital. Be sure the victim
is kept well covered and warm while awaiting professional treatment.
Terms and
Warranty
Principle of
Operation

Installation
It is the duty of all personnel to be prepared to give adequate emergency first
aid treatment and thereby prevent avoidable loss of life.
Operation

Control System
Dangerous voltage may be present in equipment even though power is off.
Do not open the cabinet. Refer servicing to qualified service personnel.
RF Components

Power Supply
At all times, avoid placing any part of the body in series between ground and
circuit points, whether power is on or off.
Maintenance

10
Troubleshooting
Personnel engaged in the installation, operation, maintenance, or servicing of
electronic equipment are exposed to the hazard of high voltage. It is imperative
that all safety regulations and precautions are consistently observed. Knowledge
of first aid procedures is recommended. The following information is presented
as a reference only. The user should ensure that they are trained in proper first
aid and the necessary precautions, which may not be contained in this manual,
are followed.
Safeguards
Safety and First Aid
The radiated output power of this device is below the Industry Canada radio
frequency exposure limits. The device should be used in such a manner that the
potential for human contact during normal operation is minimized. Human
proximity to the antenna should not be less than 20 cm (7.9”).
La puissance de sortie rayonnée de cet appareil est inférieure aux limites
d'exposition de radio de fréquence Industrie Canada. Le dispositif doit être utilisé
de telle manière que le potentiel de contact humain pendant l'utilisation normale
soit minimisé. La proximité humaine à l'antenne ne doit pas être inférieure à 20
cm (7.9”).
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Our FM equipment is designed to reliably generate a specific RF output power
level. Failing to adhere to overdriven amplifier, high reflected power, and high
temperature, and other warnings can decrease the reliability of your system, and
frankly, makes our repair department busy and grumpy. If you need to transmit to
a little larger coverage, you are better off increasing antenna gain, and more
importantly, antenna height above average terrain. On FM broadcast
frequencies, insufficient antenna height puts an upper limit on your range,
regardless of power levels, as the distance from your antenna to the radio
horizon is limited.
Power Supply
Operating Warnings
Maintenance
It is a known fact that our FM equipment enjoys 50-ohm load impedances. So
much so, that it is imperative you maintain 50-ohm impedances throughout your
system. In return, your equipment will provide you with maximum power transfer
to the antenna and decreased reflected power heading back towards the
amplifier pallets, reducing the amount of magic smoke that gets let out of the
equipment. Before anything is turned on, ensure that there is a 50-ohm path from
the output of each stage to the input of the next, all the way to the antenna.
10
Troubleshooting
Load Impedance
Safeguards
Operating Safeguards
2
Terms and
Warranty
Principle of
Operation
Installation
Sales by Technalogix Ltd. (“Seller”) are made only on terms which are contained
in this policy. Seller hereby gives notice of its objection to any different/additional
terms and conditions. All sales are expressly conditional upon Buyers’ assent to
the terms and conditions set forth below. These terms and conditions may be
modified/ supplemented only by written document signed by authorized
representative of the Seller. These terms and conditions supersede any prior
and/or contemporaneous agreements/correspondence between Buyer and
Seller. Any order received and accepted by Seller shall be construed as
acceptance of Seller’s offer to sell its products to the Buyer in accordance with
terms and conditions of sale set forth herein. No waiver, whether express or
implied, by Seller of any of the terms or conditions hereof shall be deemed a
continuing waiver or trade custom between parties, but shall apply solely to the
instance to which the waiver is directed.
Safeguards
Terms of Sale
Taxes
Prices for all products do not include any sales, use, excise or other taxes. Buyer
agrees to pay all applicable taxes, duties and other fees on product and services
ordered. If Buyer claims an exemption from any tax, Buyer shall submit to Seller
the appropriate exemption certificates.
Control System
RF Components
All prices are FOB shipping point and prices do not include freight, handling, and
insurance. All prices published/quoted by Seller may be changed at any time
without notice. Unless otherwise specified, written quotations expire 30 days from
date issued and subject to change/termination by notice during this period.
Power Supply
Pricing Policy
Maintenance
All orders must be in writing and/or accompanied by a Purchase Order. A
minimum down payment is required with all orders. No orders are considered an
order until the payment has been made.
Operation
Ordering Information
Shipping is the responsibility of the Buyer. This includes all freight, customs and
brokerage charges, duties, and insurance.
10
Troubleshooting
Shipping
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
Purchase orders that have been accepted by Seller may not be changed/
cancelled, in whole or part, without written Seller consent. All changes must be
included in change order reflecting purchase order and submitted to the Seller.
All other changes will not be accepted/acknowledged. Changes may affect
delivery dates. Expenses incurred because of changes shall be charged to
Buyer. Buyer will be liable for Seller’s costs incurred, plus a reasonable profit, for
the portion of work terminated, in accordance with generally accepted accounting
principles, together with cancellation charges. Orders for standard product may
be changed by Buyer, with no penalty to Buyer, provided that Buyer provides
Seller notification at least 30 days prior to scheduled ship date. Order changes
received within 30 days of scheduled ship date may be subject to an order
change charge; a schedule detailing these charges will be forwarded to Buyer
when Buyer’s change order is acknowledged. In no event can any aspect of the
order be changed after the product shipment has occurred. Custom orders may
be cancelled by Buyer, provided that Buyer pays Seller for completed work
allocated to Buyer’s order at time of termination of the work at selling price and all
costs for work-in-progress and costs resulting from cancellation and reasonable
profit therein. Specific cancellation charges dependent on the type of custom
product ordered. A schedule detailing these charges will be forwarded to Buyer
when Buyer’s cancellation fee of up to 100% of the order, depending on the
stage of completion of the order at the date the cancellation or revised is
accepted.
Maintenance
Changes and Cancellation
10
Troubleshooting
Seller will provide credit terms to Buyer at its discretion. Such terms are subject
to change at all times. If credit is provided, Seller will invoice Buyer on the date
the product is ordered. Such invoices will be due and payable net thirty (30) days
from the date of invoice, subject to credit is not established or maintained, terms
shall be net cash on or prior to the Delivery Date. Seller reserves the right, at its
sole discretion at any time to revoke any credit previously extended. Past due
accounts shall be charged two percent (2%) per month, or the highest rate
permitted by Alberta law, whichever is less, and will be added to the outstanding
balance. In the event Buyer defaults on the payment, Buyer shall be liable for all
collection costs, including reasonable attorney’s fees and costs. Non-payment of
past due accounts will result in a lien against parts and all subsequent
assemblies or products that our components are in. Goods remain the property of
Seller until invoice is paid in full.
Safeguards
Terms of Payment
Assignment
Buyer shall not assign any duties nor assign any order or any interest therein
without written consent of the Seller. Any such actual or attempted assignment
shall entitle Seller to cancel the order upon written notice to the Buyer.
Installation
Seller assumes no obligation to install any product sold to place any products in
working order at Buyer’s premises and not responsible for freight damage.
Validity of Separate Clauses
If any provisions of this agreement shall be held invalid, illegal, or unenforceable,
the validity, legality or enforceability of the remaining provisions shall not be
affected or impaired thereby.
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
Seller shall not be liable for any loss or damage resulting from any delay in
delivery or failure to deliver which is due to any cause beyond Seller’s control,
including, without limitation, acts of nature, unavailability of supplies or sources of
energy, riots, wars, fires, floods, epidemics, lockouts, strikes and slowdowns,
delays in delivery by supplies, or acts or omissions of the Buyer. The Buyer shall
be liable for stage charges, including but not limited to all third party costs and
expenses incurred by Seller, in holding or storing products for the Buyer or at the
Buyer’s request.
RF Components
Excusable Delay
Power Supply
Product return without written authorization by Seller will not be accepted.
Returns accepted only with a valid Return Material Authorization (RMA). To
receive authorization for product return, call Seller. There is a standard 25%
restocking cost assessed on most returns. All returned products (non-repair)
must be unused, and in original condition. No refund/credit given for damaged
products. We do not accept postage-due/ C.O.D. packages at any time.
Maintenance
Returns
10
Troubleshooting
Custom items are not returnable. Items other than “off the shelf” products are
considered custom and are products/materials which have been altered,
amended and customized to your order, and not resalable.
Safeguards
Custom Products Policy
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
Maintenance
10
Troubleshooting
Technalogix products have been completely tested and found to meet
specifications and be in proper operating condition. Technalogix-manufactured
products are warranted to be free from defects in materials and workmanship for
a period of two years from the date of shipment. Products sold through, but not
directly manufactured by Technalogix, carry the original manufacturer’s warranty.
Seller will not be liable for damages of whatever nature arising out of or in
connection with the equipment or its use thereof. Technalogix does not assume
responsibility for injury or damage resulting from the practices of untrained or
unqualified personnel in the handling of this equipment and does not include
misuse, neglect or accident, incorrect wiring and/or improper installation,
unauthorized repairs, modifications or use in violation of instructions issued by
Seller, incidental or consequential damages as a result of any defect, reshipment
cost or insurance of the unit or replacement units or parts, acts of nature,
damages due to AC or DC power supplied by customer to power the equipment
(see installation recommendation for surge protection), or acts of terrorism. Seller
agrees, at our option, to remedy warranted defects or furnish a new part in
exchange for any part of unit which, under normal installation, use and service,
becomes defective. The user pays for transportation costs to and from repair
facility. If you require on-site service, the cost to you will be $800.00 US per 8hour day plus air fare, meals, and transportation charges for personnel and
equipment.
Safeguards
Warranty
The RF amplifiers utilize readily available RF components wherever possible,
thus enhancing the serviceability of the equipment. The amplifier modules are
stable for high reliability and long service life and feature ultra linear amplification
and individual channel RF output filtering, unless ordered otherwise.
The Block Diagram is included with the Quickstart package to illustrate the
specific component flow of the RF amplifier system and to provide specific
configuration and model information.
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Technalogix manufactures FM amplifiers and transmission systems suitable for
87.5 to 108.0 MHz. Custom frequencies are available upon request if you require
carriers outside this range, including audio for VHF applications and other unique
requirements.
Power Supply
The amplification is accomplished by one or many amplifier pallets internal to the
power amplifier system. If there is more than one amplifier pallet stage, then the
first pallet acts as a driver feeding Intermediate Power Amplifiers (IPAs) and/or
final stage pallets. If multiple final pallets are required, then a splitter and
combiner are also required before and after the final stages.
Maintenance
The RF power amplifier is designed to take a modulated FM carrier from the
Exciter (typically less than 30-watts depending on transmitter power level), and
amplifies the carrier to a level that is suitable for transmission through an
antenna, cavity, or alternative load. The power amplifier feeds this load through
an inline wattmeter and transmission line. For broadcast and over-the-air
amplifier systems, the pattern of the antenna then dictates the range and
coverage area.
10
Troubleshooting
The internal FM exciter found inside FM transmitter enclosures accepts analog,
digital or MPX audio signals and modulates them onto an FM carrier. The analog
signal can be either mono or stereo (both included as standard), while the digital
inputs are accepted on AES3, S/PDIF optical (Toslink), or S/PDIF coaxial inputs.
Also included on the Exciter circuit board are amplifier stages to increase the
modulated level from a few dBm up to several watts.
Safeguards
Principle of Operation
2
Terms and
Warranty
This section contains installation recommendations, unpacking, inspection, and
installation instructions for the power amplifier or transmitter. We are sure that
you are chomping at the bit to install your new system, so we recommend that
you read the following sections very carefully.
Safeguards
Installation
Technalogix recommends that proper AC line conditioning and surge
suppression be provided on the primary AC input to the power amplifier or
transmitter. If DC is used as a source, a DC-DC converter is recommended to
provide isolation between the supply and the load. All electrical service should
be installed with your national electrical code in your area, any applicable
provincial or state codes, and good engineering practice. Special consideration
should be given to lightning protection of all systems in view of the vulnerability of
many sites to lightning. Lightning arrestors are recommended in the service
entrance. Gas Discharge Tubes (GDT) may help in preventing lightning, which
was forecast for another day, from creating a bad day. Straight and short grounds
are recommended. The electrical serviced must be well grounded. Do not
connect the unit to an open delta primary power supply, as voltage fluctuations
could harm the unit. Branch your circuits. Do not allow your lights, your
workbench plugs, and your transmitting or translating equipment to operate on
one circuit breaker. Each amplifier or transmitter should have its own circuit
breaker, so a failure in one does not shut off the whole installation.
Installation
Operation
Control System
RF Components
 The personnel knows the local codes
 The personnel can be on site readily
 You are apt to get better overall support if you give what business you can
to local suppliers
Power Supply
Technalogix recommends that a qualified, licensed local electrician be consulted
for the required electrical service. We suggest local electricians because:
Maintenance
Electrical Service Recommendations
10
Troubleshooting
The quality of the building is of great importance if you are to expect long life and
continued performance from the power amplifier or transmitter. The building must
be clean, dry, temperature controlled and secure. Don’t forget to allow space in
the building for any additional racks to house test equipment, a workbench area,
line regulating transformers, ladders, equipment and parts storage, first aid kit,
emergency generator if used, as well as heating and cooling devices that may be
unique to your installation. A beer fridge is optional. A sloping roof will tend to
develop leaks less rapidly. The building should be well roofed with good material.
The cooling load will be lowered with reflective or light colored roofing material.
Principle of
Operation
Building Recommendations
Preventative maintenance is crucial in ensuring that safety is maintained.
Specifically, check that transmission line grounds are tight and are not missing
any hardware. Frequently inspect support clamps or spring hangers. Consider
investing in an ice break, if you haven’t already done so, as shards of falling ice
can damage the transmission line – and if it is going to happen, it will happen at
an important time. Check the tower light photocells and conduit.
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
Attaching the transmission line to the tower is crucial to maintain a safe and
reliable operation. Nylon wire ties and electrical tape will breakdown in the
sunlight and ultimately fail, creating a potentially dangerous situation. It is
important to use proper clamps and hoisting grips and also ensure that the
transmission line is grounded to the tower in several locations. When high
currents flow through the tower in the event of lightning strikes, some of that
current will flow through the outer conductors of the transmission lines. Due to
the resistance difference between the steel tower and copper transmission line, a
significant voltage can be developed, often resulting in arcing between the outer
jacket and outer conductor, thus pitting the conductor.
RF Components
Pay attention to radial ice accumulation when designing the transmission system.
It is not uncommon for at least an inch of ice to build up on a tower or antenna in
some locations. This in turn significantly increases the weight, cross section, and
wind loading of the system, not to mention creating issues from reflective power.
Power Supply
The selection, routing, and length of coaxial cable are extremely important in the
installation. If there is a 3 dB line loss in the cable between your unit’s output and
the transmitting antenna, the unit will only deliver half power. Buy the best cable
you can obtain, route it via the shortest way to the antenna, and keep it straight.
Do not form it into sharp bends on its way. Do not use any more cable fittings for
the installation than absolutely necessary. All cautions here apply equally to all
coaxial cables in the system - input and output.
Maintenance
Your preliminary engineering workgroup should establish your antenna and tower
requirements, if applicable, both for receiving and transmitting antennas.
Construction of sturdy, high quality antenna/tower systems will pay off in terms of
coverage of your service area, the overall quality and saleability of your radiated
signal, and reduced maintenance expenses. Technalogix provides complete
turnkey antenna systems if needed. If your site is serving as a translator, your
receiving antenna should be in line of sight to the originating station all year
round. The foliage will change with season. Transmitting antennas can enhance
or seriously impair the amplifier or transmitter output.
10
Troubleshooting
Antenna and Tower Recommendations (if applicable)
1
Safeguards
Terms and
Warranty
The better-known tower manufacturers offer complete technical and safety
documentation with their towers. Be sure that you have this information as it
regards wind loading, guying, etc. The best-designed antenna system will
function poorly if shortcuts and compromises are used during installation. Follow
the manufacturer’s instructions exactly, along with any engineering data prepared
for the site. Be absolutely safe and certain about this aspect as human lives may
be at stake.
The fans internal to the enclosures help cool the components. The specific fan
voltages and part numbers are listed in the Block Diagram included with the
Quickstart package.
Installation
Operation
Control System
RF Components
Power Supply
The environment’s temperature will contribute greatly to the length of the power
amplifier’s or transmitter’s life. Technalogix recommends that the building’s
filtered air intake must have capacity for all air-flow in the building plus an
additional 20%. Keep the intake below the roofline to avoid intake of solar heated
air. Please ensure that the intake and exhaust areas are on the same side of the
building to avoid pressure differentials during windy conditions. Also, do not
position intake near exhaust’s preheated air. If air conditioning is required to cool
the shelter, discuss the situation with a qualified HVAC technician. Under
average conditions, 12,000 BTUs will cool approximately 500 square feet to a
comfortable level.
Maintenance
Heating and Cooling Requirements
10
Troubleshooting
The FCC requires that the equipment be secure from entry or control by
unauthorized persons, and that any hazardous voltages or other dangers
(including most tower bases) be protected by locks or fences as necessary to
protect personnel and prevent unauthorized tampering or operation. Security of
the building further implies that it be secure from wildlife. Use sturdy construction
materials, including sheet metal if necessary. Holes around conduit, cable, and
other similar entry points should be stuffed with steel wool and caulked to prevent
entry of wildlife. Other features of security for your shelter may include its location
with respect to the prevailing wind conditions. Locations leeward of some natural
topographical feature will prevent wind damage and snowdrifts. Check the soil
runoff conditions that may slow or hasten wind or water erosion and other
concerns that may be unique to your location.
Principle of
Operation
Shelter Security
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Visually inspect the enclosure of the power amplifier or transmitter for damage
that may have occurred during shipment. Check for evidence of water damage,
bent or warped chassis, loose screws or nuts, or extraneous packing material in
connectors or fan failures. Inspect all connectors for bent connector pins. If the
equipment is damaged, a claim should be filed with the carrier once the extent of
the damage is assessed. Technalogix cannot stress too strongly the importance
of immediate careful inspection of the equipment and subsequent immediate
filing of the necessary claims against the carrier if necessary. If possible, inspect
the equipment in the presence of the delivery person. If the equipment is
damaged, the carrier is your first area of recourse. If the equipment is damaged
and must be returned to the factory, phone for a return authorization number.
Claims for loss or damage may not be withheld from any payment to
Technalogix, nor may any payment due be withheld pending the outcome
thereof. Technalogix cannot guarantee the carrier’s performance.
Power Supply
Exercise care in handling equipment during inspection to prevent
damage due to rough or careless handling.
Maintenance
Check the outside of the container. Carefully open the container and remove the
power amplifier or transmitter and any accessories. Retain all packing material
that can be reassembled in the event that the equipment must be returned to the
factory.
10
Troubleshooting
Unpacking and Inspection
Parallel parameter interface (DB25 female)
ETHERNET:
Remote control and monitoring via Ethernet (RJ45 jack)
SNMP:
Simple Network Management Protocol (SNMP) remote control and
monitoring (RJ45)
S/PDIF COAX:
Digital audio input, Sony/Phillips Digital Interface, coaxial (RCA female)
S/PDIF OPTICAL:
Digital audio input, Sony/Phillips Digital Interface, optical (Toslink female)
AES (digital):
Digital audio input, AES/EBU professional audio interface (XLR female)
LEFT (analog):
Analog audio input, left channel, (XLR female)
RIGHT (analog):
Analog audio input, right channel, (XLR female). For Mono operation,
use the Right input.
MPX IN:
External MPX input. Used when external stereo encoders or processors
present. (BNC female)
MPX OUT:
MPX output signal from exciter. Used for external processing. (BNC
female)
SCA1/SCA2:
Input connection from SCA generator or source, intended for 60 to 99
kHz. Typically modulated to 10%, or 7.5 kHz deviation.
Installation
REMOTE PORT:
Operation
Configuration and control of RBDS/RDS encoder in transmitter
accomplished through RS232 (female) connector.
Control System
RBDS/RDS:
RF Components
FM modulated RF carrier output (N female or 7-16 DIN female)
Power Supply
RF OUT:
Maintenance
Single phase AC input to feed internal AC/DC switching power supplies.
Check with factory as not all power supplies are universal 110/220V.
10
Troubleshooting
AC IN:
Principle of
Operation
Terms and
Warranty
Safeguards
Panel Connections
5. Connect the transmitting antenna cable to the RF OUT female connector on
the PA enclosure’s RF output. On units that have a separate filter or
filter/power supply enclosure after the power amplifier enclosure, ensure to
connect the transmitting antenna cable on the last enclosure in the chain to
the RF Out and connect the RF coaxial between the power amplifier and the
second enclosure in the chain. The system must be loaded into a 50-ohm
load before any power is turned on for over-the-air systems. The Wiring
Hookup is included in the Quickstart package included in shipping and
visually summarizes the aforementioned information.
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
4. Install a lightning surge arrestor or Gas Discharge Tube (GDT) on the coax
near the antenna to protect the amplifier. This small investment is highly
recommended to protect the equipment from lightning (not covered by
warranty).
Power Supply
3. Place an appropriate AC or DC power line protector, conditioner, and/or surge
suppressor across the supply line. This small investment is highly
recommended to protect the equipment from power surges and spikes (not
covered by warranty).
Maintenance
2. Place the amplifier in its permanent location near a receptacle supplying the
required AC or DC mains voltage.
10
Troubleshooting
1. Ensure that the antenna has been swept and, ideally, has a return loss of
greater than 20dB (VSWR = 1.2:1). This should be done before connecting
the antenna cable to the system’s output. The power amplifier’s control
system allows the user to change the VSWR trip point up to a maximum level
of 1.8:1, unless a custom VSWR protection system has been requested.
Strive for the lowest possible return loss to maximize transmission distance
and improve operating performance. Unless requested otherwise at the time
of purchase, VSWR levels between the trip point set by the user and 1.8:1 (or
custom VSWR trip point) will cause a fold back in power. VSWR levels past
1.8:1 (or custom VSWR trip point) will cause the system to shut down or fold
back with attenuation to avoid damage.
Safeguards
Initial Hook Up
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
At this stage, the system is set up and ready to do a preliminary start up, as
outlined in the “Operating Procedure” section.
Maintenance
7. Connect additional control/monitoring cables if desired. SNMP or Ethernet
should be connected to the lower RJ45 on the back panel. Remote port
connections are made to the DB25 connector and the internal RDS in
controlled by RS232 on the DB9 connector.
10
Troubleshooting
6. Connect the desired audio source connection, analog mono or stereo, digital
audio, or MPX. Subcarrier signals can be connected to the SCA1 or SCA2
BNC connectors.
4. Verify that the power amplifier fans are all on. The power amplifier fans are
powered via DC voltage so this is an indication that the power supply is
started and running. There may be fans installed in the filter or power supply
enclosures, if applicable.
5. The internal soft start circuitry will turn the bias voltages off until the power
supply to the amplifier pallets is fully stable. The front display indicates when
the soft start is running with either a displayed message when an LCD option
is installed or via maximum attenuation when a touch screen option is
installed. Once complete, the Forward and Reflected Power, Power Supply,
and Temperature readings will appear on the display. Deviation is shown on
the FM screen.
6. Adjust RF output power on the power amplifier to about 10% of rated forward
power. The output power level is adjusted from the power amplifier’s RF
Levels screen. Then turn the carrier on, the Carrier On/Off is in the top right
corner of the touch display on all screens. If the unit contains more than one
final amplifier pallet (illustrated in your Block Diagram included in the
Quickstart package), ensure that the final pallet currents on the multiple finals
all match within 10% of each other. With multiple finals, the final pallet
currents should always match within this range under all operating conditions.
Front panel readings will vary slightly upon turn on. Steady state parameters
can be taken after approximately one hour.
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
3. With the power amplifier loaded into the antenna, cavity, alternative load, or
dummy load power up the amplifier by turning on power supply either via the
ON/OFF switch on the back of the power amplifier.
RF Components
2. Plug in the desired audio source: analog (left and right for stereo), digital or
MPX. For mono audio use the Right XLR input.
Power Supply
1. Verify that all control and RF cables are tight and properly seated in or on the
mating connector.
Maintenance
IT IS HIGHLY RECOMMENDED THAT YOU RUN YOUR SYSTEM INTO A
DUMMY LOAD BEFORE INSTALLING TO MAKE SURE THERE ARE NO
DAMAGES CAUSED IN SHIPPING AND THE UNIT IS RUNNING PROPERLY
10
Troubleshooting
Assuming the previous installation instructions have been completed and
cautions noted, and the power amplifier is ready to receive a properly modulated
RF signal, proceed with the following steps to place the system in operation. The
power amplifier has been factory aligned for a specific frequency (per system
specification), signal levels and optimum performance.
Safeguards
Operating Procedure
11. Select the appropriate input from the FM Controls screen on the front panel.
12. Adjust the attenuation for the input if needed from the Audio Levels screen on
the front panel. Check the modulation level on the main RF Display or FM
display on the front panel.
13. After warm up, compare the temperature of the equipment from the front
display to the temperature recorded in the final inspection sheet, included in
shipping. Assuming ambient temperatures are close (our factory is typically
around 18 to 25˚C), your temperature reading should be very close to the
factory reading. Use your temperature measurement as a method to monitor
fan performance (though on higher power units, fan current is also
monitored). A fan failure or air blockage will show an increase in temperature,
assuming ambient temperature is not varying.
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
10. Look at the transmitted output using suitable test equipment. If the output
quality is unsatisfactory, check the input signals, connections to the antenna
system, antenna and transmission line VSWR, and the physical condition of
the antenna.
RF Components
9. Verify that the power supply reads correctly (see supplied final inspection
sheet for factory settings of power supply levels) on the display of the power
amplifier. You should see no more than 3% fluctuations in DC supply voltage,
and even less with a properly conditioned AC source to the power supply.
Power Supply
Pease note that 100% should be the maximum FWD power. Typically,
customers run the systems at 90% to avoid occasional AC power line spikes
or transients from tripping the shutdowns. The difference of 10% will provide a
marginal difference in range (tower height will have a much more significant
effect on range in the case of over-the-air) or cavity excitation.
Maintenance
8. Adjust RF output power on the power amplifier to desired level. The output
power level can be adjusted from the power amplifier’s RF Levels screen.
Keep in mind that the system will fold back or shut down (depending on
severity) should the forward RF output power level exceed the trip overdrive
point.
10
Troubleshooting
7. Ideally, the RFL Power should read zero. However, should a high VSWR be
detected, the system will automatically fold back. Under normal conditions, a
well installed and setup system should indicate RFL power less than 3% of
FWD power.
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
Maintenance
At this time, Technalogix recommends that you document your measurements to
use as a reference over time. The measurements can be made either from the
front display, or remotely via the Remote Port (DB25), Ethernet (lower RJ45), or
SNMP (lower RJ45), whose operation is explained in the Monitor and Control
System sections.
10
Troubleshooting
For FM broadcast applications, if the quality of transmission is unsatisfactory, the
difficulty is often with the receiving antenna or with obstructions in the path
between the amplifier/antenna and receiver. There is also a troubleshooting
section located later in this manual.
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
The control system is comprised of three modules. These modules work together
to provide all the functions of the control system and include: Display Interface,
Exciter (in the case of a transmitter), and Temperature Sensor modules. The
operation of each module is outlined in the following sections and illustrated in
the following block diagram. Multiple revisions of the modules may be included.
Specific revision numbers of the modules are listed on the Final Inspection
Report included in the Quickstart Package and also in the Versions screen if the
touchscreen option was ordered.
Maintenance
The control system is used for a variety of functions, the most important of which
is ensuring that the amplifier or transmitter continues to operate in a safe manner.
The control system also allows the user to monitor and control the amplifier or
transmitter from both the front panel and remotely through the parallel port,
Ethernet, or SNMP access port.
10
Troubleshooting
Control System Overview
Safeguards
Monitor and Control System
DISPLAY INTERFACE / OLED INTERFACE
PANEL
SWITCH
INTERFACE
MEMBRANE
SWITCH
REAL
TIME
CLOCK
CHARACTER
LCD
DISPLAY
INTERFACE
+5V
SWITCHING
SUPPLY
DC IN
CONTRAST
SUPPLY
TOUCHSCREEN
CAN
INTERFACE
EXTERNAL
DC-DC
CONVERTER
DC OUT
TEMPERATURE SENSOR
TEMP
SENSOR
CAT5
SHUTDOWN
INTERFACE
RF
SHUTDOWN
CAT5
FM EXCITER
TEMP AND
SHUTDOWN
INTERFACE
CAN
INTERFACE
AUDIO IN
SYSTEM
MEASUREMENTS
FAULT
COMPARATORS
RF TO GAIN
STAGES
AUD IO
PROCESSING
(FM)
RF-TO-DC
CONVERTER
FWD
RF SAMPLE
FROM
COUPLER
RFL
REMOTE
PORT
DB25 PARALLEL
INTERFACE
ETHERNET
SNMP
RJ45
INTERFACE
Rev
ID
Adrenaline Block Diagram - FM
Date: June 9, 2014 Page: 1 of 1
•
•
A block diagram of the Display Interface PCB follows:
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
•
Forward (incident) power at the power amplifier or transmitter output.
Reflected (reverse) power at the power amplifier or transmitter output.
DC voltage of the power amplifier’s or transmitter’s power supply.
DC current in the power amplifier or transmitter.
Temperature of the heat sink of the power amplifier or transmitter.
The time since the amplifier or transmitter was last shut down.
History of faults and events.
Indication if there is attenuation added to the front end of the power
amplifier or transmitter indicating fold back in RF power (indicates amount
of attenuation).
Settings to change the VSWR trip point shutdown between 1.1:1 and
1.8:1.
Settings to change the RF power units between % power (maximum of
110%) or watts.
Summary of PCB modules and assembly numbers specific to the power
amplifier or transmitter.
RF Components
•
•
•
•
•
•
•
•
Power Supply
These components provide the user with the ability to monitor the following
power amplifier or transmitter parameters from the front panel:
Maintenance
The primary function of the Display Interface module is, as the name suggests,
providing the display and user interface for the control system. This circuit board
is mounted behind the front panel of the power amplifier enclosure(s) in the
amplifier system, near the 4.3” touchscreen or OLED display. All switch/settings
and user interface is handled through the resistive touchscreen. The touchscreen
on the front panel is connected to the Display Interface PCB through a cable.
10
Troubleshooting
Display Interface Module
REV 1.02 (ASY 016)
Touchscreen Option
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
The fuses on the Display Interface are all resettable. F102 protects the +5V line
while F101 protects the DC-DC converter, if installed.
Maintenance
Other elements of the Display Interface module are also controlled by the
microcontroller. A buzzer (BZ101) and software status LED (D101), which flashes
when the software / microcontroller is running, are all controlled through a buffer
(U102). DC supply enters through connector J103, which powers the PCB and
also the optional DC-DC converter (based around U111), if populated. The PCB
voltage is regulated at +5V by U106 and associated circuitry. The touchscreen
interfaces to the Display Interface via connector J107.
10
Troubleshooting
The hardware of the Display Interface module is based around microcontroller
(U101). This part interfaces directly with the touchscreen to provide output and
receive input from the user. It also communicates with the RF board (and DC
Distribution Module, if installed) over a Controller Area Network (CAN) bus. This
communication is facilitated by U103, and passes through a CAT5 cable attached
to connector J104 and J105. The communication link with the RF module allows
the Display Interface Module to receive information about the forward power,
reflected power, and temperature of the amplifier/transmitter, as well as relay
commands from the user to the rest of the system. If the DC Distribution Module
is installed (on higher power systems with multiple pallets), then the Display
Interface receives DC currents from the DC Distribution via the same CAN bus.
Bill of Materials - ASY 0016 (was ASY 016A)
Circuit:
Revision:
Modified:
Display Interface with DC-DC, with touchscreen
1.02
22-Nov-13
Item
Designations
Qty
BIN #
10
11
12
13
14
15
16
PCB
C114, C115
C122
C103
C123
C127
C108, C113, C121, C124, C131
C125, C126
C132
C128
C104, C105
C130
C120
R129, R130
R105
R134
R101, R103, R106, R110, R111,
R116, R123
R102
R104
R124
R125
R127
R133
RN101
RN102
F101
F102
L101
L103
L104
D102, D103
D101
D105, D106
U102
U103
U106
U111
U109, U110
U105
U101
S101
C133
Y101
BZ101
L106
L102
C101
J103
J107
J101
J104
J103
PCB 0016
CAP 06802
CAP 10602
CAP 11503
CAP 13002
CAP 13802
CAP 14904
CAP 14904
CAP 15703
CAP 15902
CAP 17204
CAP 19603
CAP 22273
RES 2961
RES 3212
RES 3762
RES 4502
RES 4842
RES 5673
RES 6122
RES 6282
RES 6382
RES 6492
RES 4510
RES 5810
FUS 1651
FUS 1953
IND 0221
IND 0992
IND 5811
SEM 09005
SEM 09006
SEM 19005
ICT 10008
ICT 12017
ICT 48003
ICT 48026
ICT 36001
ICT 56002
ICT 32037
SWT 0001
CAP 24072
CLK 0011
AUD 0001
IND 4441
IND 4442
CAP 24014
CON 64502
CON 31530
CON 45024
CON 45020
CON 64503
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
Description
Package
PCB, Display Interface, revision 1.02, 0.62" FR4, 1oz finished
CAPACITOR, 22pF, 50Vdc, ceramic
CAPACITOR, 560pF, 50Vdc, ceramic
CAPACITOR, 1000pF, 50Vdc, ceramic
CAPACITOR, 2700pF, 50Vdc, ceramic
CAPACITOR, 4700pF, 50Vdc, ceramic
CAPACITOR, 0.01uF (10,000pF), 50Vdc, ceramic
CAPACITOR, 0.01uF (10,000pF), 100Vdc, ceramic
CAPACITOR, 0.022uF (22,000pF), 50V, ceramic
CAPACITOR, 0.027uF (27nF), 50Vdc, ceramic
CAPACITOR, 0.1uF (100nF), 25V, 10%, ceramic
CAPACITOR, 1uF, 35Vdc, ceramic
CAPACITOR, 10uF, 35V, tantalum
RESISTOR, 60.4ohm, 1%, 1/8W
RESISTOR, 100Ω, 1%, 1/8W
RESISTOR, 300Ω, 1%, 1/8W
SMD 0805
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 6032
SMD 0603
SMD 0805
SMD 0805
RESISTOR, 1.0kΩ, 1%, 1/8W
SMD 0805
RESISTOR, 2.0kΩ, 1%, 1/8W
RESISTOR, 8.2kΩ, 1%, 1/4W
RESISTOR, 18.7kΩ, 1%, 1/8W
RESISTOR, 25.5kΩ, 1%, 1/8W
RESISTOR, 30.1kΩ, 1%, 1/8W
RESISTOR, 37.4kΩ, 1%, 1/8W
RESISTOR NETWORK, 1kΩ, 8-resistor, 10-pin, 1/16W
RESISTOR NETWORK, 10kΩ, 8-resistor, 10-pin, 1/16W
FUSE, 0.5A hold, resettable, polyswitch, 24V
FUSE, 0.75A hold, resettable, polyswitch, 24V
INDUCTOR, 0.01uH, 450mA, DCR=130mΩ
INDUCTOR, 150nH, Imax=2.6A, DCR=0.024 omhs
Inductor, common mode choke, 22uH, 200mA
DIODE, LED, green, 2.2V, 16mcd
DIODE, LED, orange, 2.0V, 6.3mcd
DIODE, schottky, 100V, 1A, single
IC, buffer, tri-state, quad, non-inv, 5V
IC, CAN, transceiver, 5V, 1 driver, 1 receiver
IC, regulator, 5.0V, 1A, simple switcher, 4.5-60V in
IC, regulator, switcher, 75V, 1.5A, buck
IC, optocoupler, dual, transistor output, 150mA per channel
IC, supervisor, 4.50V threshold, open drain (no pullup)
IC, microcontroller, flash, 16k X 16 (32KB) program, CAN, 40MHz
SWITCH, DIP, 7-position, extended actuator
CAPACITOR, 100uF, 10V, tantalum
CRYSTAL, 7.3728MHz, 18pF, +/- 20ppm
BUZZER, magnetic, 4-7V, 2.5kHz, 90dB
INDUCTOR, 470uH +/- 10%, Irms=0.8A, DCR=0.820mΩ
INDUCTOR, 470uH +/- 10%, Irms=2.6A, DCR=0.133mΩ
CAPACITOR, 100uF, 63Vdc, electrolytic
CONNECTOR, terminal block, 5-pos, receptacle, 0.2", 15A
CONNECTOR, header, 10-pos, 1.25mm, R/A, SMD
CONNECTOR, modular, jack, 6-6, vert, board lock, panel stops
CONNECTOR, modular, jack, 8-8, vertical, shielded
CONNECTOR, terminal block, 5-pos, plug, 0.2", 15A
SMD 0805
SMD 1206
SMD 0805
SMD 0805
SMD 0805
SMD 0805
Panasonic EXB-A
Panasonic EXB-A
SMD 1812
SMD 1812
SMD 1210
SMD 1210
SMT ACT45B
SMD 0603
SMD 0603
SMA
TSSOP-14
SOIC-8
TO-263-5
TSSOP-16
SOIC-8
SOT-23
SOIC-28
SMT
SMD 7343-31 EIA
SMT
SMT
SMT
SMT
Panasonic VS G
THT
SMT
THT
THT
The four level bars show real time system performance and
help illustrate any transient changes that occur. Some of the
units of measure can be adjusted in Settings Menu
described later in this section.
Summary Bar:
The summary bar at the bottom of the screen will stay in
place no matter what screen is being viewed to allow for an
operating summary at any time, as described below:
Terms and
Warranty
Power Supply
Maintenance
Forward RF power level in % or watts. Mimics data from
level bar. Overdrive protection starts at 110% where the
power amplifier/transmitter folds back power by adding
attenuation to the input until a safe level obtained. System
continually checks power level and tries to bring RF power
level back to where it was when fault occurred. If overdrive
occurs, a warning is displayed in red text near the top of the
touchscreen and the event recorder logs the event.
10
Troubleshooting
Toggles between Main Screens and Menu Screen for
settings. The menu screen has additional settings and
monitoring over the Main Screen, and is illustrated in the
next section.
RF Components
Control System
Level Bars:
Principle of
Operation
For the Main RF and Main FM screen, there are three common components
between each screen:
Installation
or
Operation
From each of the two main screens, the RF and the FM main screen, all of the
system’s main parameters can be viewed at a quick glance. To toggle between
these two screens, simply touch:
Safeguards
Main Screens
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
RF output power is determined largely in part by the amount
of attenuation that the control system places on the input of
the power amplifier/transmitter. Whether a fault occurs and
attenuation gets added or the user requests a change in RF
power level via the web/SNMP/Remote Port interface, the
attenuation section of the summary bar conveys important
operating information. If the user requests a change in
forward power level via the web interface, SNMP monitoring
and control, or simply via the Remote Port connector on the
back of the enclosure, and an asterisk (*) is placed next to
the attenuation value in the summary bar. This informs the
user whether or not the attenuation was added due to a fault
or simply because it was requested.
Maintenance
Temperature from sensor mounted on heat sink surface.
Shutdown trip point is factory set at a predetermined level to
keep the amplifier/transmitter pallets safe. Should a fan fail
inside the power amplifier/transmitter enclosure, or air
conditioning fails inside the broadcast facility causing the
temperature to exceed the trip point, the control system will
lower forward RF power until a safe level of measured
temperature is achieved. The system will continually try and
bring the RF power back to the same level when the fault
occurred if it is safe to do so, a warning is displayed in red
text near the top of the touchscreen, and the event recorder
logs the event.
10
Troubleshooting
Reflected RF power level in % or watts. Mimics data from
level bar. The VSWR fault occurs when the measured
VSWR of system exceeds the user-defined VSWR trip point
found in the RF Levels Menu (described later in section). If
VSWR exceeds the shutdown level, but is below 1.8:1 (or a
custom VSWR protection point), then attenuation is added to
the amplifier/transmitter input until a safe level is reached. If
the measured VSWR exceeds 1.8:1 (or a custom VSWR trip
point, then the RF carrier is turned off to protect the
amplifier/transmitter chain. Then the system will continually
check to see if it is safe to come back on. This scheme helps
ensure that the system stays on air as long as possible
before doing a complete shutdown. If high reflected occurs, a
warning is displayed in red text near the top of the
touchscreen and the event recorder logs the event.
From any screen, the FM amplifier or transmitter carrier can
be turned on or off to facilitate adjustments, settings, and
testing/troubleshooting. To toggle carrier states, simply touch
the switch icon:
Safeguards
Terms and
Warranty
RF Components
Power Supply
Maintenance
If additional screens, details, and settings are required, several additional
screens can be accessed through the SYSTEM SETTINGS button described
later in this section.
10
Troubleshooting
The same result occurs by turning on or off the system via
the web or SNMP interface, or through controlling of the
Remote Port. A quick beep from the on-board buzzer
signifies that the response has been taken. The power
supplies and fan will remain active while the carrier is turned
off via this switch.
Control System
Operation
Carrier Switch:
Installation
Principle of
Operation
The AGC sets the desired output power level. This is set on
the RF Levels screen where it can be increased or
decreased by +-1% or +-10% increments. The current AGC
setting is shown in the RF Levels screen and on the bottom
banner. The display can be changed to show in Watts rather
than percent but the step size for setting the AGC will still be
in increments of 1 or 10%.
DC VOLTAGE: The switching power supply DC output voltage is displayed here.
If additional screens, details, and settings are required, several additional
screens can be accessed through the SYSTEM SETTINGS button described
later in this section.
RF Components
Power Supply
TEMPERATURE: The temperature is measured on top of the heatsink near the
final transistors and displayed here. User can toggle between Celsius and
Fahrenheit from the Settings Screen. In the event that this temperature exceeds
the factory set trip point, the RF carrier level will fold back to protect the unit.
Common causes for high temperatures can include failed internal fans or air
conditioning in the broadcast facility or a blocked fan.
Maintenance
REFLECTED POWER: This is the power coming back in to the power amplifier
or transmitter from the antenna or load, measured in watts or scaled percentage,
depending on how the units are set in the Settings Screen). As there is no
internal circulator or isolator installed within the enclosure, it is important to
minimize VSWR with a good quality antenna installed using proper broadcast
techniques. Ice build-up on the antenna and damages to 50 ohm transmission
line can also generate damaging reflected power.
10
Troubleshooting
FORWARD POWER: This is the power heading out of the power amplifier or
transmitter to the antenna or load, measured in watts or scaled percentage,
depending on how the units are set in the Settings Screen).
Control System
Operation
Installation
Principle of
Operation
Terms and
Warranty
The Main RF Screen summarizes key parameters for the RF carrier of the FM
signal, as illustrated below:
Safeguards
Main RF Screen
DC VOLTAGE: The switching power supply DC output voltage is displayed here.
If additional screens, details, and settings are required, several additional
screens can be accessed through the SYSTEM SETTINGS button described
later in this section.
RF Components
Power Supply
LEFT LEVEL: Left level bar represents the audio evel on the left audio input
channel.
Maintenance
RIGHT LEVEL: Right level bar represents the audio level on the right audio input
channel.
10
Troubleshooting
DEVIATION: The maximum frequency excursion from the carrier center
frequency is illustrated on this level bar. Typical maximum deviation, required by
Industry Canada or FCC, is 75 kHz to avoid bleeding into adjacent channel
bands of 200kHz bandwidths. 100% represents a full 75 kHz deviation.
Control System
Operation
Installation
Principle of
Operation
Terms and
Warranty
The Main FM Screen summarizes key parameters for the audio that resides on
the RF carrier of the FM signal, as illustrated below:
Safeguards
Main FM Screen
The individual menu screens will now be covered.
RF Components
Power Supply
Maintenance
While the user is in the sub menu screens (anything besides the Main Screens),
full monitoring and protection is taking place. This means that as a user makes a
change to a setting or parameter that jeopardizes the power amplifier or
transmitter, the control system will provide protection, display the fault in red text
near the top of the touchscreen, and stay in the current menu.
10
Troubleshooting
Each of the menu icons on the Menu Screen allow the user to take additional
readings or make settings that are not provided from the Main RF and FM
Screens. Any changes to settings will be stored in non-volatile memory.
Control System
Operation
Installation
Principle of
Operation
Terms and
Warranty
The menu screen allows the user to dive into further details of the power amplifier
or transmitter operation. Pressing the BACK TO MAIN button will toggle between
the Main Screens and the Menu Screen. The Menu Screen is shown below:
Safeguards
Menu Screen
2
Terms and
Warranty
RF Components
Power Supply
Maintenance
Press the up or down arrows (in either 1 or 10% increments or decrements) until
the desired Forward RF level is reached. If the adjusted level exceeds 110%, the
protection will kick in and the system will fold back the RF power to a safe level.
There may be a residual amount of Forward RF power even at 0% setting, but it
should be insignificant.
10
Troubleshooting
To adjust Forward RF Level:
Control System
Operation
Installation
Principle of
Operation
This screen allows the user to change settings to the RF levels, including the
Forward RF level (the reflected (VSWR) trip point is changed from the Settings
screen. From the RF Levels screen, the user can also toggle between AGC and
Manual mode. The RF Levels Screen is displayed below:
Safeguards
RF Levels Screen
7
RF Components
Power Supply
Maintenance
If multiple amplifier pallets are included in the amplifier chain, then the individual
currents will all be displayed in the Currents section of the screen. In the case of
multiple pallets in the chain, typically the user should see matching of the final
pallets to within approximately 10%. Anything outside this range is usually a sign
that there may be an issue. Transistor device could be the culprit, or the tragic
spilt-drink-on-amplifier incident. Our team would be glad to walk you through any
troubleshooting issues or questions you may have.
10
Troubleshooting
DC supply voltages are nominally 24, 30, or 48Vdc depending on the system.
Readings of this voltage in the Power Supplies Screen, and on the summary bar
at the bottom of the touchscreen, should not vary more than +/- 2%.
Control System
Operation
Installation
Principle of
Operation
Terms and
Warranty
This screen allows the user to view individual voltage and current readings. The
Power Supplies Screen is displayed below:
Safeguards
Power Supplies Screen
Input Impedance:
When analog audio input is selected as a source, the user
can adjust the input impedance of the exciter in the
transmitter between 600 and 10k ohms.
Terms and
Warranty
RF Components
All Technalogix FM transmitters have a stereo encoder built
in to the exciter circuit board. The user can switch between
Mono and Stereo option by simply touching this icon on the
touch screen.
Power Supply
Mono/Stereo:
Maintenance
As Technalogix FM transmitters include analog and digital
audio inputs as standard, the user can change audio input
sources on the fly and can switch between analog and digital
audio sources. When digital audio is selected, the
Mono/Stereo selection icon changes to allow selection
between the various digital audio inputs (Toslink optical,
coax, AES).
10
Troubleshooting
Audio Source:
Control System
Operation
Installation
Principle of
Operation
The FM Controls Screen allows a user to setup audio inputs and FM settings. As
fun as fooling around with the smallest screwdriver you own in the back of a dark
rack sounds, all of these settings can be done from the front touch screen.
Safeguards
FM Controls Screen
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Pre-emphasis adds a boost to high frequencies in the FM
signal to increase the signal above the noise floor. The FM
signal then is de-emphasized at the radio receiver end.
Users can change the amount of pre-emphasis to suit their
location and receivers. A lower pre-emphasis, say 50 us
versus 75 us, is a lighter boost, but also increases high
frequency headroom. Setting the pre-emphasis to 0 us turn
off the pre-emphasis. Standard North American preemphasis is set to 75 us on the transmitter side, while most
of the rest of the world incorporates 50 us.
Power Supply
Pre-Emphasis:
Maintenance
With the exciter being agile, the user can change frequency
from the front touch screen. The step size is 100 kHz. At the
lower and upper frequency limits of the FM band, the
frequency will wrap back around.
10
Troubleshooting
Frequency:
2
Terms and
Warranty
Power Supply
The events are recorded in non-volatile memory so they are safe in the event of a
power outage or pesky lightning-strike-wins-fight-with-power-supply.
Maintenance
The user can clear the history screen by pressing the CLEAR HISTORY. Users
will find this screen useful in correlating events in the power amplifier or
transmitter with external events like weather and changes to the broadcast
facility’s environment.
10
Troubleshooting
Ten of the most recent events are displayed on the History Screen. As more
events occur, the earliest recorded event gets displaced on the screen.
RF Components
Control System
Operation
Installation
Principle of
Operation
The History Screen provides a summary of the most recent events that have
occurred in the power amplifier or transmitter. An event can either be a fault or
simply an action like turning on or off the carrier. The format of the History Screen
is illustrated below:
Safeguards
History Screen
7
RF Components
Power Supply
Maintenance
Attenuation levels of 100 dB indicate that attenuation is at maximum for that
particular input signal.
10
Troubleshooting
Step sizes will vary from 0.5 dB up to 2.0 dB depending on the current audio,
MPX, and SCA input levels.
Control System
Operation
Installation
Principle of
Operation
Terms and
Warranty
The Audio Levels Screen allows the user to tweak audio input levels all from the
front touch screen.
Safeguards
Audio Levels Screen
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
Finally, general information is included in the Version Screen for users who may
not be familiar with the equipment and do not want to venture into the dusty
abyss behind the rack or cabinet searching for tiny ID tags. The Version Screen
is illustrated below:
Maintenance
https://fjallfoss.fcc.gov/oetcf/eas/reports/GenericSearch.cfm
(grantee code QH5)
Ind. Canada: http://www.ic.gc.ca/app/sitt/reltel/srch/nwRdSrch.do?lang=eng
(company 3803)
FCC:
10
Troubleshooting
The Version Screen contains no user-settable items, but is intended as an
identification screen to the user. It also helps Technalogix maintain its unmatched
service reputation by allowing our technicians and Service team to know exactly
what versions of PCBs are inside a customer’s unit, even several years down the
road. The versions can then be correlated to factory documentation. In addition,
current government certification numbers are included for Industry Canada and
FCC. Please contact Technalogix if you require copies of the actual grants, or
visit:
Safeguards
Version Screen
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
Maintenance
If you are in the area, please feel free to stop by to tour the facility, test drive
some state of the art products, or get a refresher on some training.
10
Troubleshooting
The Contact Screen provides an easy means for the user to get in touch with
Technalogix for anything. Whether they have a technical or installation question
or simply want to chat about how gosh darn cool our equipment is, Technalogix
welcomes questions, feedback, and contact.
Safeguards
Contact Screen
7
RF Components
Similarly, the user can switch between watts or percentage for their RF power
readings. When in percentage mode, the power amplifier or transmitter is
designed for a maximum operating power of 100% with overdrive protection
typically at 110%.
Power Supply
Pressing the DISPLAY ⁰ F button will convert all temperature readings to degrees
Fahrenheit from Celsius (and vice versa). Temperature protection trip points are
factory set.
Control System
Operation
Installation
Principle of
Operation
The Settings Screen allows the user to modify some of their preferences on how
information is displayed on the touchscreen, as seen in the figure below:
Terms and
Warranty
“You say tomato...”
Safeguards
Settings Screen
Technalogix may have provided custom firmware with the amplifier or transmitter
that may deviate from the above operation. Please consult factory for any clientordered custom settings.
10
Troubleshooting
Use the up and down arrows to set the VSWR shutdown trip point to between
1.1:1 and the factory determined upper limit. If a measured VSWR is found above
the set trip point, but below the factory determined upper limit, then the system
will fold back the forward power to a safe level. If the measured VSWR exceeds
the factory determined upper limit, then the carrier will be initially turned right off.
Maintenance
To change the VSWR Shutdown Trip Point:
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
The following pages illustrate the schematics of the FM Exciter module.
Power Supply
Analog input can be balanced or unbalanced, though the former will provide a
higher quality signal. Digital audio can be sourced from AES, S/PDIF optical
(Toslink), or S/PDIF coaxial.
Maintenance
The FM Exciter module accepts analog and digital audio inputs, processes the
audio, and then modulates the audio onto an FM carrier in the range of 87.5 to
108.0 MHz. This modulated signal is then fed into a small gain stage before
passing the signal off to the final gain amplifier stage(s).
10
Troubleshooting
FM Exciter Module
REV 1.02 (ASY 0071)
P0R14301
P0R14302
P0D1602
P0D1601
D16
R143
P0T108
P0R14201
P0T101 P0R14202
R145
P0C1302
P0J102
P0C1902
P0C1901
P0C2201
P0C2202
R137
P0L1001
R138
P0J1201
J13
C36
C47
P0C8802
P0Q50D
P0L1701
P0L1702
P0Q50G
P0R12001
P0R12002
J14
P0C12901
R128
P0R12802
P0R12801
P0C12602
C126
P0C12601
P0C12801
P0L2302
P0L2301
P0L2202
C128
R136
P0C4702P0C3602
P0C4701P0C3601
P0C4602P0C3202
P0L1002
P0C8702
P0C10001
P0C10002
P0C12302
P0C12301
P0R12102
P0R12101
J12
P0C8801
P0C6002
P0C6001
P0C5901
C110
R117
P0J1103
J11
P0R11101
P0R11201
R111
L17
R120
P0R12701
P0R12702
P0J501
J5 P0J500
C129
P0C12802
P0C12902
P0J1403
P0J1401
P0J1300
P0J1100
J10
P0C4601P0C3201
P0C4401
P0C5902
P0U1105 P0U1807
P0U1805
P0U807
P0U1603
P0R11102
P0R11202
L22
R127
R108
P0R10701
P0R10801
P0J1200
U25
R107
P0R10702
P0R10802
P0Q50S
L23
P0J1202
P0J1101
C88
P0L2201
P0J1203
P0U2500
P0C13602
P0C13601
P0J101
P0Q101
P0Q103
P0R102
P0C402
R6
P0C4402
P0U15014
P0U15011
C112
P0C11202
P0C1201
P0R701
P0R702
P0R601
P0R602
R5
C42
R54
C86 C80
P0U1501
P0R9201
P0R9202
P0R8501
P0R8502
R84
P0R8402
R92 P0R8401
P0Q202
P0Q201
P0R8701
P0R8702
P0U1504 R87
C72
P0C7201
P0S200
P0C7102
P0C5802
P0C5701
P0C9902
P0C11501
P0C10402
S3
P0J1000
P0U2503
P0U2502
P0U2501
C136
R147
P0C10401
L7
P0L701
Q5
P0U1801
P0U1901
TP17
P0J1102
P0J1001
P0L1601
P0J1301
U24
P0R14701
P0J902
P0J1002
P0L702
P0U1803
U17
P0R14402
P0R14401
P0C13502
R144
C135
P0C13501
P0U2404
P0U2403
P0U2402
P0U2401
R146
P0J903
P0R14602
P0R14601
P0R14502
P0R14501
P0J800
P0J901
J9
R142
C93
P0C9302
P0C9301
P0J1402
P0T102
P0C9402
P0C9401
P0J1303
P0T107
C94
P0U906
P0U1806
U11 P0R9602
P0J1302
D17
P0R14101
P0R14102
P0D1702
P0D1701
R141
C87
U9
P0R13802
P0R13801
P0T103
P0C8701
P0R9601
L16
P0L201
C46
L10
C60 L4
P0C11001
P0C11002
P0R13901
P0R13902
J15
P0J15025
P0J15024
P0J15023
P0J15022
P0J15021
P0J15020
P0J15019
P0J15018
P0J15017
P0J15016
P0J15015
P0J15014
R121
P0T104
P0T106
R139
R96
P0L402
C123
P0R13502
P0R13501
P0J806
P0J805
P0J804
P0J803
P0J802
P0J801
P0J15013
P0J15012
P0J15011
P0J15010
P0J1509
P0J1508
P0J1507
P0J1506
P0J1505
P0J1504
P0J1503
P0J1502
P0J1501
P0T105
C59
P0R13702
P0R13701
R135
P0J808
P0J807
P0L501
P0C3502
P0C3501
L2
C32
P0U1802
P0U1702
U19
P0U2201P0U2208
P0U2202P0U2207
P0U2203P0U2206
P0U2204P0U2205
T1
P0U2405
P0U2406
P0U2407
P0U2408
P0J8010
P0J809
U15
R116
U22
R140
P0R14001
P0R14002
J8
P0C4502
P0C4501
C45
U18
U8
P0L202
P0L401
P0C4302
P0C4202
C43
P0C4301
C19
C22
L5
U16
P0R13601
P0R13602
C125
Q1
C44
C35
P0C11901
P0C11902
P0R11702
P0R11701
P0R11601
P0R11602
P0J1003
P0TP1601
TP16
C127
P0C4201
C119
P0C11801
P0C11802
C118
TP13
P0Q102
P0U1804
P0U1304 P0L1602
P0R11001
P0C11401P0R11002
P0C11502R110
P0C11402
P0TP1701
P0TP1201
TP12
P0R11502
P0R11501
C114
P0C11702
P0C11701
C116
R8
R7
U13
R115
P0C11302
C113
R119
P0R11901
P0R11902
P0TP1101
TP11
P0R1803
R45
P0U1407
P0U1406
P0U1405
P0U1404
P0C11201
P0U1403
P0U15013
P0U1508
P0U1509
P0U15010 P0U15012
P0U1402
P0U1401
C115
P0C11301
C109
C117
P0C11602
P0C11601
P0U14010
P0U14011
P0U14012
P0U14013
P0U14014
P0U14015
P0U14016
P0TP1301
P0TP901
P0U1201P0U1208
P0U1202P0U1207
P0U1203P0U1206
P0U1204P0U1205
C98P0C9801
P0C9901
P0C9802
R101
R100
P0R10002
P0R10001
P0R10102
P0R10101
U14P0U1409
P0U1408
P0C10901
P0C10902
C111
P0R501
P0R502
R3 R2
P0R1702
P0R4503P0R1701
R17 C20
C16
P0U2014
P0U2013
P0U2012
C17
P0U2011
P0U2010
P0U209
C18
P0U208
R28
P0U201
P0R2801
P0R2802
P0U202
R29
P0U203
P0R2901
P0R2902
P0U204
C41
P0C4102
P0U205
P0U206
P0R4501
P0U207
R16
P0R1601
P0R1602
R26
R44
P0R4301
P0R4302
P0R2501
P0R2502
P0R4401
P0R4402
P0R2601
P0R2602
R24
R42
R64
P0R6401
P0R6403
P0R9701
P0R9702
P0C7801
P0R6301
R97
P0R6303
P0R9501
P0R9503
P0R6201
P0R6203
R73
P0C7602
P0C7601
P0C7502
P0C7501
R74
C70
P0R4901
P0R4902
P0C5602
P0R5802
P0R5801
R80
P0R7902
P0R7901
C73
P0R8902
P0R8901
P0C6801
R88
P0R8801
P0R8802
P0R7101
C55
P0R7103
P0R9903
P0R9001
P0R9002
P0C8301
C69
P0R9902
R90
P0C6901
P0R9901
P0C11101
TP9
P0R1801
P0C1102
P0C501
P0C502
P0C1502
P0C1002
P0R4201
P0R4202
P0R2401
P0R2402
P0S100
R23
R34
P0C3402
P0C3401
P0R2301
P0R2302
P0R3401
P0R3402
P0R3301
P0R3302
P0R2201
P0R2202
R21
P0R3201
P0R3202
P0R2101
P0R2102
R32
P0R7002
P0R7001
P0R6902
P0R6901
P0R6802
P0R6801
P0JP702
P0JP703
P0C10801
C103
P0C10301
P0R101
C1
C2 P0C202
P0JP401
P0JP402
P0JP302
P0JP301
P0JP201
P0JP202
P0JP101
P0JP102
P0J400
P0C6301
S1
D1
P0L502
P0R1802
C99
U12
P0C11102
P0J8011
P0J600
TP8
P0C12502
P0C12501
P0C12702
P0C12701
P0J1500
R41
R40
P0TP801
D9
P0D902
P0C10802 P0D901
R130
R126
P0R12601
P0R12602
P0R13002
P0R13001
R122
P0U23016
P0U23015
P0U23014
P0U23013
P0U23012
P0U23011
P0U23010
P0U2309
C31
R99
P0R14702
P0J7018
P0J7017
P0J7016
P0J7015
C108
P0J900
P0J7010
P0J7013
P0J7011
P0J7012
P0J608
P0J709
P0J708
P0J707
P0J706
C133
J7
P0U2301
P0C13002
P0C13001
P0U2302
C132
P0U2303
P0C13202
P0C13201
P0U2304
P0C13301
P0C13302
P0U2305
P0U2306
P0C13402
P0J700 P0C13401
C134 P0U2307
P0U2308
P0R12901
C131
P0R12903
P0R12902
R129
P0C13102
P0C13101
P0TP1501
R133
P0R12401
P0R12402
P0R13302
P0R13301
R125
R134
P0R12501
P0R12502
P0R13402
P0R13401
L20
R124
L19
TP15
L21
P0L2101
P0L2102
TP14
P0TP1401
P0J705
P0J704
P0J703
P0J702
P0J701
P0J7014
P0J6012
P0J605
P0J602
P0L2002
P0R11801
P0R11802
D15
P0J607
P0JP805
P0L1902
F4
P0D1501
P0J601
P0J603
P0L2001
R131
P0R12201
P0R12202
P0R13102
P0R13101
R123
R132
P0R12301
P0R12302
P0R13202
P0R13201
R118
P0J6015
P0J6013
P0J6011
P0J609
P0JH300
P0R11301
C130 U23
P0J604
P0J606
P0JP804
JH3
P0F401
P0F402
P0C12102
P0C12402
P0C12202
P0F301
P0C12401
P0C12201P0F302
C122 C124
P0U2002
P0R10601
P0R10603
P0R10602
R109P0R10902
P0R10901
L18
P0R3502
P0R3501
P0R3602
P0R3601
JP7
P0JH3080
P0JH3078
P0JH3076
P0JH3074
P0JH3072
P0JH3070
P0JH3068
P0JH3066
P0JH3064
P0JH3062
P0JH3060
P0JH3058
R113
P0JH3056
P0JH3054
P0JH3052
P0R11302
P0JH3050
P0JH3048
P0JH3046
D13
P0D1302
P0D1301 P0JH3044
P0JH3042
P0JH3040
P0D1402
P0D1401 P0JH3038
D14
P0JH3036
P0JH3034
P0R11402
P0R11401 P0JH3032
P0JH3030
P0JH3028
R114
P0JH3026
P0JH3024
P0JH3022
P0JH3020
P0JH3018
P0JH3016
P0JH3014
P0JH3012
P0JH3010
P0JH308
P0JH306
P0JH304
P0JH302
P0D602 D6
P0L1802
P0C12101
P0D1502
P0JH3079
P0JH3077
P0JH3075
P0JH3073
P0JH3071
P0JH3069
P0JH3067
P0JH3065
P0JH3063
P0JH3061
P0JH3059
P0JH3057
P0JH3055
P0JH3053
P0JH3051
P0JH3049
P0JH3047
P0JH3045
P0JH3043
P0JH3041
P0JH3039
P0JH3037
P0JH3035
P0JH3033
P0JH3031
P0JH3029
P0JH3027
P0JH3025
P0JH3023
P0JH3021
P0JH3019
P0JH3017
P0JH3015
P0JH3013
P0JH3011
P0JH309
P0JH307
P0JH305
P0JH303
P0JH301
P0JP803
P0L1901
U21
P0J4010
P0J409
P0J408
P0J407
P0J406
P0J405
P0J404
P0J403
P0J402
P0C2902
P0J401
P0JP802
P0C9601
P0C9702
P0C9602
D10
D11
P0D1002
P0D1001
P0D1102
P0D1101
P0Q401
P0L1801
U20
P0R1302
P0R1301
P0JP801
P0D702
P0D701
D7 TP10
P0C10702
R106
D8 P0TP1001
P0D801
P0C10701P0D802
Q4
F3
P0R8601
P0R8603
JP8
L15
P0Q404
JH5
P0J6016
P0J6014 P0J6010
P0R1201
P0R1202
P0R1101
P0R1102
P0C5401
P0D601
P0TP401
P0C9701
C97
P0TP501
P0F202
P0C10601
P0C10602
P0Q403
TP5
C107
P0C10501
C106
C105
P0D301
P0D402
P0F201
P0C10202
P0C10201
C102 P0R10402
P0C10502
P0D302
P0R2002
P0C8201
P0L601
P0F101
P0C6701
P0D501
P0L602P0D502 P0F102P0C3702
P0C4801
R67 R61
P0C6601
F2
P0R10202
P0R10201
P0C10102
P0D1202
P0D1201
P0L1201
R86
R98 P0L1501
P0L1502
P0R10401
P0U1008
P0U1007
P0U1006
P0U1005
C121
P0C12001
C82
L12
U7 P0L1202
TP4
C96
U10
R104
P0R8602
C67
P0C6702
P0U704
P0U703
P0U702
P0U701
P0U705
P0U1009
P0C8101
P0C6302
L6
R102 R103
P0U2102
P0U2103
P0C8202
P0C8102
P0U1001
P0U1002
P0U1003
P0U1004
P0U2101
P0JH501
C89
R69 R70
C63 R68
C54
C33
R38
R25
C7
P0C701 P0C801
P0D101
P0C2101
P0C2102
C21
P0S300
P0C702 P0C802
C100
P0U2001
P0R6702
P0R6701
P0L301
P0L302
L3
P0C5402
R36
R37
P0C2801
C28
P0R1501R15
P0C2802
P0C3102
P0R3701
P0R3702
P0R3802
P0R3801 P0C3101
R39 P0R3901
P0R3902
P0R4001
P0R4002
P0R4101
P0R4102
Q3
P0C3301
U3
C34
P0R4502
C38 P0C3302
C39 C40
R43
P0Q203 P0Q303
R33
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R198
C206
C361
C382
C362
P0C38202
P0L5601
P0L5602
L56
C369
C363
P0C36301
P0C36302
R320
P0D3401
L51
C355
P0C35502
D34
P0D3501
L46
R296
R297
R324
D35
R167
R177
P0C16701
P0C16702
R187
C174
R188
C176
C167
R182
C191
C185
P0D3402
C350
P0D3502
P0D1801
P0D1806
P0D1802
P0D1805
P0D1803
P0D1804
F5
C144
P0R16402
P0R16401
P0C16501 P0R16202
P0R16201
P0U3309
R162
P0C16101
U34
C159
R172
U33
P0U3401
P0U34014
C164
P0C16401
P0R17302
P0R17301
P0U3402
P0U34013
P0R18201
P0R18202P0C17401
R189
R184
P0U3403
P0U34012 P0C17102
R193
C182
U35
R174
R192
R173
P0U3404
P0U34011
R186
C170
D21
C173
P0C17201
P0R18402
P0R18401 U36
C169
P0U3405
P0U34010
P0C17701 P0C18501
P0R18802
P0R18801
C168
P0U3501 P0U3508 P0C17601
L32
L33
R185
P0C17101
P0C17302
P0C17301
L34
P0C17901
P0C17902
U39
P0U3406
P0U3409
P0U3502 P0U3507
Y1 P0C16901
P0C17501
P0Q702
P0R18601
P0R18602
P0C17001
P0D2202
P0U3407
P0U3408
P0C18202
P0C17202
P0C16801
P0U3503 P0U3506
P0U3801
P0U38014C180
P0U3701 P0U3708
P0C18901
P0R18301
P0R18302
P0U3908
P0U3907
C181
P0C18502
P0L3401P0L3302P0L3201
P0U3504 P0U3505
P0C18102
P0U3802
P0U38013
P0R19402
P0U3702
P0U3707
P0U3609
P0U3909
P0U3906P0R19401
C179
C184
P0C18402
P0C18401
P0U3709
R194
P0U3803
P0U38012
P0U3703
P0U3706
P0C18201
U42
R195
P0C19002
P0U39010
P0U3905
R190
P0C18902
P0R19001
P0R19002
P0C18001
C178
P0C17801
P0C17802
P0U3804
P0U38011
L31
P0U3704
P0U3705
P0C18101
P0C20401
P0U39011
P0U3904
P0C19201
P0U3805
P0U38010
P0Y101
P0Y102
P0U39012
P0U3903
P0U42011
P0U42010
P0R19601
P0R19602
P0C19302
P0C19301
P0C19001
U37
P0U3806
P0U3809
P0C18601
P0U39013
P0U3902
P0C19702
P0U4001
P0U40014
P0U42012
P0U4209
P0U3807
P0U3808
P0L3402P0L3301P0L3202
P0U39014
P0U3901
P0C20601
P0C19101
C202
P0D2201
R209
C187
P0R20302
P0U4002
P0U40013
C193 P0C19202
P0C18701
P0C20102
P0C18602
P0U4003
P0U40012
C192
P0R20202
P0R20201
P0C19701
P0C20201
P0U42013
P0U4208
U38
C188
R201
P0C19601
P0C19501
P0C18801
P0C18802
P0C20402
P0U4004
P0U40011
C186
C201 P0C19902
P0C18702
R200
P0R20001
P0R20002
P0U4005
P0U40010
P0R20901
P0U42014
P0U4207
C198P0R20101
P0C20202
P0R20102
P0U4006
P0U4009
C205
R205
P0C19602
C220 R213
C203 C221
P0C20501
C204
C209 C200
P0U4007
P0U4008
P0C20001
P0C19901
P0C19801
P0C19802
P0U42015
P0U4206
C211
P0C20301
P0C20302
C194
C213
P0C21301
P0C21302
U40
P0C20902
C208 P0R20602
P0R20601
P0C22101P0C22001
P0U42016
P0U4205
P0R20301 C207
P0R20402
P0R20401
C210
P0R20702
P0R20701
R207
P0C20801
C212 Y2
P0C21201
P0U42017
P0U4204
P0C20901
C218
C214
P0C21001
P0C21002
P0R21002
P0R21001
R204
R212
P0R20902
P0U42018
P0U4203
P0Y202 P0Y201
P0R21201
P0R21202
P0R21101
P0R21102
P0C21602
P0C21601
C215 L35 P0C21401
P0U4401 P0U4408
P0R21602
P0R21601
R211
P0U42019
P0U4202
U43
P0C21502
P0C21501
D23
C216
P0U4402 P0U4407 C219 P0C21901
Q7
P0L3502
P0L3501 R214
P0U42020
P0U4201
P0C22102P0C22002
P0R21802
P0R21801
U44P0U4403 P0U4406 R219
R215
P0R21702
P0R21701
C230
R220
C227
R222
P0R21901
P0R21902
R218
P0R21402
P0R21401
Q6
P0R21502
P0R21501
C217
U41
P0C21702
P0C22301
P0C22302
P0U4404 P0U4405
P0C22602
P0C22601
R227 P0R22102
P0Y203 P0Y204
C228 R224
F6
P0R22201
P0R22202
P0R22101
C226
P0R22002
P0R22001
L38
C223
C225
P0C22401
R221
P0C22802P0R22401
P0C23101
P0R22402 R223
P0U4509
P0U4508
C222
P0L3602
P0L3601
C224
P0C22902
R230
P0C22201
P0C22202
P0C22501
P0C22502
P0R22301
P0R22302
C232
P0U45010
P0U4507
P0L3802
P0C23402
P0C23401
P0C23502
P0C23501
C234
P0U45011
P0U4506
R225
P0R22501
P0R22502
L36 F7
P0C23102
P0R23001
P0R23002 P0C23201
C242
C240
P0U45012
P0U4505
P0R23502
P0R23501
C235
P0U45013
P0U4504
P0U4809
P0U4808
P0R23302
P0R23301P0C24201 R228
P0C23901P0U48010
C236
C241
P0U4807R231
U49
R232
P0U4503P0C23302
R235 P0U45014
P0R23401
P0R23402
C238
P0U45015
P0U4502
P0U48011
P0U4806
U47
C239
R233
P0L3801
P0C23602
C237
P0U45016
P0U4501
P0U4805
P0C23902P0U48012
P0D2401
P0D2402
P0R23202
P0R23201
P0C23801
P0C23802
P0U48013
P0U4804
P0R23802
P0R23801
P0C25301 R237
R242
L37
U45
P0U48014
P0U4803
RN2
RN1
C251
P0U48015
P0U4802
P0U4601
P0U4605
P0C24202
P0U48016
P0U4801
P0R23701
P0R23702
P0C25602
P0C25501
P0C25401
C244
U51
C243
P0C25002
P0C24902
P0U4602 U46
U48
C247
P0U5105
P0U5101
P0C24401
P0C24402
P0C26002
P0C24502
P0U4603
P0U4604
P0C25201
P0C25202
P0C24601
P0C25402
P0C25302
L39
R241
C248 P0C24702
U50
P0C25001
P0C24901
C257
P0U5102
P0C25801
R244
P0C26001
P0C24501
P0C24602
P0C25902
P0C25901
P0R24102
P0R24101
C253 P0R25002
P0U5103
P0U5104 R243 C262
P0R25001
R252 R251
P0R24501
P0R24502
P0R24401
P0R24402
C258
D25
P0U5501
P0U55028 Y3
C260
P0C26201
P0C26202
P0C26101
P0C26102
C259
P0U5601 P0U56016
R250
P0U5502
P0U55027
R247
U56
R246
P0C26302
P0C26301
C264
C261
R245 P0C26602
C275
P0U5503
P0U55026
C263
C267
C268
P0R24701
P0R24702
P0U5602 P0U56015
P0R24901
P0R24902
C269
P0Y302
P0Y301
P0C26601
P0U5504
P0U55025
P0R24602
P0R24601
R249
U63
P0C26402
P0C26401
P0U5505
P0U55024
D26
P0C26802
P0U5603 P0U56014 P0C27101
U57
P0R25701 P0C27301
C266
P0C27502 R260
P0U5506
P0U55023
C277
RN4
RN3
C271
P0C27802
Y4
C270
P0U5507
P0U55022
P0U6301
P0U63020 P0U5701
P0C27401
P0U57014
P0D2601
P0U5604
P0U56013
P0C26801
P0C27702
P0U5204
P0U5203
P0C27302
P0C28301
P0U5508
P0U55021
P0Y404 P0Y403
P0U5702
P0U57013
C265
P0C27001
P0C27002
P0C27202
P0C28102
P0U5509
P0U55020
P0U57012
P0Y501
P0U6302
P0U63019 P0U5703
P0U5202
P0U5605 P0U56012
C273
P0U55010
P0U55019
P0D2602
P0C27701
P0U5704
P0U57011
P0C28302
R266
P0C28401
P0U5201
P0U5205
U52
C287
P0U55011
P0U55018
P0U57010
P0C27201
P0C27501
P0U6303
P0U63018 P0U5705
P0U5606 P0U56011
P0U55012
P0U55017
P0C27801
P0U5709
P0C28701
P0C28702 P0U6304
P0R26601
P0R26602
P0C28402
P0C27902
P0U63017 P0U5706
P0U55013
P0U55016
P0U5707
P0U5708
P0C28502
P0U5607 P0U56010
U61 P0C28101
P0C28002
C282 R263
P0U55014
P0U55015
C284
R265
C279
P0U6305
P0U63016
P0Y401 P0Y402 P0C28202
P0C28801
P0U5608 P0U5609
P0C28201
P0C27901
P0U6101 P0U6108
C286
U59
C289
C288
P0C28001
U55
P0C28601
P0C28602
Q11 Q10 Q9 Q8
P0Y502
U58
P0U6306
P0U63015
P0C28901
P0C28902
P0U6102 P0U6107
C292
C298 R268 R267
C290 P0C29001
R269
R272
C291
U60
P0C29201
P0C29202
R279
P0U6307
P0U63014
P0U6103
P0U6106
R280
Y5
P0U6001 P0U6008
P0C29101
P0C30601
P0C29301
P0R26901
P0R26902
P0C30701
P0C30001
P0C30002
C300 P0U6308
C295
P0U63013
P0U6002 P0U6007
P0U6104 P0U6105P0C29401
C304
P0U6003 P0U6006
P0R27502
P0R27501
L41
P0C30602
P0C29302
P0C30702
P0C29601
P0C29502
C307
P0U6309
P0U63012
C297
C303
P0U6004
P0U6005
P0C30802
P0C30801
R271
C301
C302
P0C30201
P0C30202
P0C30102
P0C30101
L42
R284
P0C30402
P0C30302
C296
Q12
R276
P0L4101
P0U63010
P0U63011 R275
C308
C305P0C30501
R281
P0R27802
P0R27801
R277
P0C30902
P0C31002
R288 R287
P0C30401
P0C30301
P0C31202
P0R28102
P0R28101
U62
U66
P0C31701
P0C31702
P0C31602
P0C31601
P0C31301
P0C31402
P0C31502
C311
D28
P0C31001
U65
P0R28302
P0R28301
R282
P0R28201
P0R28202
C313
P0C31201
P0C31102
P0C32002
C317 C316
C325
C312
P0C31401
P0C31501
P0L4301
P0L4302
RN5
P0U71015
P0U71014
R283
L44
P0C32501
P0C32402
P0U71016
P0U71013
P0Y601
P0Y602
P0C32301
P0C32302
P0C32202
L45
P0C32001
U64
P0C31801
C321 C320 L43 P0C31901
P0U71017
P0U71012C314
U68
C323 C322
R286 R295
P0U71018
P0U71011
D30 D29
P0C32502
P0C32401
R293
P0R29302
P0R29301 P0C32101
P0F1001P0F901 P0F801
L47
P0C31802
P0C31902
P0U71019
P0U71010
Y6
P0R29802
P0R29801
C319
P0U71020
P0U7109
C330
R305 R304 R303 R302 R301
P0C32702
P0C32701 R298
P0L4701
P0L4702 U72
P0R29901
P0R29902
P0U71021
P0U7108
P0C33002
R299
P0U6903
P0C32602
P0U71022
P0U7107
P0U7201 P0U72016
P0C33502
P0C33402
R311
C327
P0U7106
P0U71023
C336
R310
C333
P0R30802
P0R30801
P0R30702
P0R30701
P0C33202
P0C33201
C328
P0U71024
P0U7105
P0C32802P0U71025
P0U7202 P0U72015
P0R31101
P0R31102
P0F1002P0F902 P0F802
C338
P0C33501
P0C33401
P0U7104
P0R31002
P0R31001 C332
P0U6901
P0U6902
P0C33302
C337 P0C33702
R308
R307
U69
P0C33601
P0D3602
P0U7203 P0U72014
P0U71026
P0U7103
R314
C335
R313
R309
P0C33801
P0U71027
P0U7102
P0R30901
P0R30902
F8
F10 F9
P0U71028
P0U7101
P0U7204 P0U72013
P0C35002
P0R31301 C351
P0R31402
P0R31401 P0R31302
U70
C346P0C34502
P0C34501
D33 D32 D31
RN6
P0C34302
P0C34701
P0C34801
U71
P0C34202
P0C34102
P0U7205 P0U72012
L50
P0R31201
P0R31202
P0C35101
P0C35102
R312
P0C34902
P0C34901
R316
R315
U75 C345
C349
C341
P0R31902
P0R31901
P0C34402
P0U7206 P0U72011
U73
C342
P0L5002
P0L5001
C352 P0C35202
P0R31602
P0R31601
P0U7501 P0U75014
R319
P0D3601
P0C35402
P0C35401
P0R31801
P0R31802
P0U7207 P0U72010
R317
P0R31701
P0R31702
P0L4901
P0L4902
P0U7401
P0U74014
P0C35302
L54
P0U7402
P0U74013
P0U7502
P0U75013
C354
R318
P0U7208 P0U7209
L49
D36
P0U7403
P0U74012
P0C36102
P0C35702
P0C35701
P0C36201
C360P0U7503 P0U75012 P0U7404
P0U74011
C358 P0C36602
P0C36502
P0C35602
C357
P0U7405
P0U74010
P0R32101
P0R32102
P0C35902
P0C35802
P0C35801
C365
C364
R323 L52
P0C36002
P0C36001
L53
P0L5301
P0L5302
P0C36901
P0C36802
P0L5501
P0C37001
P0C36202
P0U7504 P0U75011 P0U7406
P0U7409
C356
R321
R325
P0U7407
P0U7408
P0C36501
C366
P0R32701
P0R32702
P0U7505 P0U75010
P0C36702
P0C36701
P0C36902
P0C37002
P0C37401
P0C37201
U74
P0R32802
P0R32801
P0R32601
P0R32602
P0R32501
P0R32502
P0C38102
P0C37502
C367 P0U7506 P0U7509 P0C37801
C370
R326
P0C37402
P0C37202
P0C37701
C381
P0C37101
R328 C375
P0U7507
P0U7508
P0R33001
R331
R332
P0R32901
P0R32902
C377 P0C37602
C373 C372 C371
P0C38002
P0C37902
P0C37802 P0R33002
R199
C340
C339
P0C34001
P0C33901
P0L4801
P0L4802
P0C33102
P0C33101
C331
P0C16202
C162
R168
D20
D18
R171
R169
C163
P0C16302
C166
R180
R181
R178
R179
L30
U32
R170
P0U3204
P0U3203
P0U3205
P0U3202
P0U3206
P0U3201
C175 P0C17502
R300
L48P0R30001
P0R30002
C146
P0F502
P0C14702
P0R15301
P0R15302
P0R15901
P0R15902
P0U2805
P0R16002P0U2801
P0U2802
P0U2803
P0U2804
P0R16101
L29
R159
R160
R161
P0C17702
P0C14002
P0C14001
P0C14402
C140 P0C14401
C151
P0C15302
C153
P0R16001
P0R16102
P0C15301
C177
P0L2602
P0L2601
P0L2502
L26 P0L2501
C148
P0C15202
U26
L25
P0L2402 P0L2403
C150
C152
P0C15201
P0U2608
P0U2607
P0U2606
P0U2605
R151
R152
R153
C141
C138
P0L2401 P0L2404 C139
P0C13901
P0C13902
P0C13802
P0C13801
C149
P0U2601
P0C14502P0U2602
P0C14102P0C14501P0U2603
C145 P0U2604
U27
P0U2701 P0U2708
P0U2702 P0U2707
C147
P0C14701
P0U2703 P0U2706
P0U2704 P0U2705
P0C15101
P0C14302
P0C14301
P0C14202
U28
L27
P0R16501
P0R16502
P0C15501
P0U3305 P0U3304
P0U3306 P0U3303
P0U3307 P0U3302
P0C15401
P0U3308 P0U3301
C142
L24
R149
P0R14901
P0R14902
P0R14802
P0R14801
R148
P0L2701
P0L2702
C143
P0C14101
P0L2801
P0L2802
L28
P0C15102 P0C14201
P0C13701
1
Safeguards
Operation
Control System
RF Components
Power Supply
Maintenance
In custom applications, there may be multiple temperature sensors installed onto
a heatsink or throughout the system.
10
Troubleshooting
The temperature sensor IC is U701 which, after it has taken a reading, relays the
digital information to the RF PCB module through J700. Also passing through
J700 is a driver disable signal coming from the RF PCB module. The
Temperature Sensor module simply takes this signal and passes it through to a
pad, where a wire connects it to the driver or first gain stage pallet.
Installation
Principle of
Operation
The Temperature Sensor module is a small board mounted to the main heatsink
of the amplifier/transmitter. The main purpose of the temperature sensor module
is to take temperature readings of the heatsink. The following is a block diagram
of the Temperature Sensor module:
Terms and
Warranty
Temperature Sensor Module
REV 1.13 (ASY 0183)
Bill of Materials - ASY 0183
Circuit: Temperature Sensor
Revision: 1.13
Modified: 21-Jan-2014
Item
Designations
Qty
Bin #
U701
C707
C701
C702, C703
C700, C706
R701,R702
L700
J700
ICT 52000
CAP 08402
CAP 11502
CAP 14902
CAP 17202
RES 3212
IND 3176
CON 45021
PCB 0183
Description
IC, temperture sensor, SPI
CAPACITOR 100pF, 50V, 5%
CAPACITOR, 1000pF, 50V
CAPACITOR, 0.01uF, 50V
CAPACITOR 0.1uF, 50V, 10%
RESISTOR, 100 ohm, 1%
INDUCTOR, 22 uH 5% 150MA 1210
CONNECTOR, modular, jack, 8-8 R/A, shielded
PRINTED CIRCUIT BOARD, FR4, 0.062"
Package
8-MSOP
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 1210
The following pages will describe each step in detail. Descriptions specific to the
user’s computer, router, or network setup are limited due to the differences in the
multitude of networking equipment.
1. Connect Power Amplifier/Transmitter to your Network/PC
The Adrenaline control system in the power amplifier or transmitter will source
an internal IP from your router or you can set this manually (see Optimize
User Parameter section).
Safeguards
Terms and
Warranty
Maintenance
Turn on the power amplifier or transmitter to establish communication
between the power amplifier and the network.
10
Troubleshooting
If preferred in place of the touch screen, a computer can be plugged directly
into the Ethernet port on the power amplifier/transmitter to directly access the
on-board web interface.
Power Supply
RF Components
Control System
Connect an Ethernet cable from the RJ45 port (labelled ETH / SNMP – use
bottom connector) on the back panel of the power amplifier or transmitter to
your network’s Ethernet connection. Most new computers can do this with a
standard Ethernet cable but older network cards may require a crossover
Ethernet cable.
Principle of
Operation
1. Connect power amplifier/transmitter to your network/PC
2. Open web browser for monitor and control
3. Optimize user parameters
Installation
To access the Technalogix Adrenaline Web Interface, a series of four simple
steps are required:
Operation
Web Interface
After entering the above internal address into a web browser, you will be
asked for a password. Initially, please use the following:
username:
password:
admin
admin
The password can later be changed (see Optimize User Parameter section).
Terms and
Warranty
Principle of
Operation
2.1 Web Page Password Protection
Installation
The default internal address is http://adrenaline/index.htm. Type this default
internal address into the URL address bar of your favorite web browser. The
web pages cannot be accessed until you have established basic
communication with the power amplifier or transmitter (turned on).
Safeguards
2. Open web browser for monitor and control
Control System
RF Components
Power Supply
Maintenance
10
Troubleshooting
After entering the login information, the main page is then shown on the
browser, as illustrated below for either single amplifier systems or multiple
amplifier systems that are combined:
Operation
2.2 Main Page Description
Forward RF Levels as a % of Full Scale (FS)
Reflected RF Levels as a % of FS
DC Supply Voltage in volts
Temperature in °C
Current of pallet(s) in Adc
VSWR Trip Point Limit
AGC measured against 100% FS
Deviation
Right Level/Left Level input attenuation
Frequency in MHz
Pre-Emphasis, selectable between 0, 25, 50, or 75 us
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation











Control System
The Performance section provides the user with specific parameters and
measurements in the system. Measurements that can be viewed from the
Performance box are:
RF Components
RF Carrier is on or off
Forward RF in Overdrive (>110% Full Scale (FS) )
High VSWR
Pallet Voltage Supply Good
RF In Level Good
High Temperature
Power Supply






Maintenance
The Status Flags section provides the user with feedback from the system.
Specifically, there are status flags for:
10
Troubleshooting
The model number and serial number of the unit are displayed in the top left
of the browser screen.
1
Safeguards
Terms and
Warranty
Principle of
Operation
Installation
Operation

Control System



RF Components

Power Supply

Turn Carrier On/Off - Turn the Carrier on/off
AGC - Increase the Carrier by removing attenuation (steps of 1
or 10 dB)
VSWR ↑↓ - Increase or Decrease the VSWR Trip point by 0.1
between 1.1:1 and factory determined limit.
Frequency ↑↓ - Increase or Decrease the FM carrier frequency
(MHz)
Analog/Digital – Toggle between analog or digital audio inputs
Mono/Stereo – Toggle between mono or stereo
Pre-Emphasis – Toggle between no added emphasis, or 25, 50,
or 75 us emphasis
Reset - Forces the system to reboot
Maintenance


10
Troubleshooting
The Control section of the web interface screen allows the user to control
functions inside the equipment, including:
Main – Returns to Main Index page
Network Configuration
SNMP Configuration
Password Configuration
The following sections describe the user parameter pages in detail.
Terms and
Warranty




Principle of
Operation
Also on the main web Ethernet page, along the top, are links to the other user
parameter pages:
Safeguards
3. Optimize user parameters
Operation
Control System
RF Components
Power Supply
Maintenance
10
Troubleshooting
The Network Configuration page allows the administrator to optimize the
network settings to best suit their application.
Installation
3.1 Network Configuration
http://yourcompany/index.htm
3.1.2
HTTP Port
The HTTP Port shows the current port used for internet access, 80 or 81. Port
80 is the default and is the accepted standard. Port 81 is available because
some internet providers block access to port 80 unless you pay more.
Be very careful changing HTTP ports as it can be difficult to go back to an
original port.
Terms and
Warranty
For example entering YourCompany will make the web address:
Principle of
Operation
The Host Name shows the current webpage name (default is ADRENALINE).
Enter a new name here if you wish to change this.
Safeguards
Host Name
Installation
3.1.1
With DHCP enabled the system will automatically try to find a router and
acquire an IP address. If you want to set this manually, uncheck the Enable
DHCP box and enter it below then click Save Config.
To view the webpage from the internet rather than an internal network you
need an external IP address, generally provided by your internet provider.
Note that you can only have one web server using the same port. With this,
anyone can access the system over the internet with something like:
http://www.yourcompanywebaddress.com/adrenaline
Control System
RF Components
IP Addressing
Power Supply
3.1.3
Maintenance
To use this with an internet address will require port forwarding. Consult your
routers manual to set this up.
10
Troubleshooting
http://adrenaline:81/index.htm
Operation
You can force a web browser to use port 81 by address to:
3.2.1
Safeguards
3.2 SNMP Configuration
SNMP Communities
Principle of
Operation
Installation
Operation
Control System
private
write
public
RF Components
WRITE:
Power Supply
public
read
Maintenance
READ:
10
Troubleshooting
Default communities are
Terms and
Warranty
The SNMP Configuration page allows you to set the SNMP communities. Set
these to limit access to the system via SNMP.
Right Attenuation
MPX Attenuation
SCA1 Attenuation
SCA2 Attenuation
Read and Write communities can be set from the web interface, as described
earlier in this section.
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
- 1 Reset System,
0 Normal
- 1 Carrier On,
0 Carrier Off
- 1 Increase Carrier Level for AGC target 1%
- 1 Decrease Carrier Level for AGC target 1%
- 1-8 for 1.1:1 – 1.8:1
- 880 – 1080 for 88.0 to 108.0 MHz
- rotate through 0,25,50, and 75
- set target output power 0-100% rated power
- 1 Analog audio input,
2 Digital audio input
- 1 AES
2 SPDIF
3 TOSLINK
- 1 Mono
2 Stereo
3 MPX
- 0 – 79 dB Attenuation (shows 100dB when
channel disabled)
- 0 – 79 dB Attenuation (shows 100dB when
channel disabled)
- 0 – 79 dB Attenuation (shows 100dB when
channel disabled)
- 0 – 79 dB Attenuation
- 0 – 79 dB Attenuation
RF Components
- error flag, also for trap (see below)
- error flag for high VSWR
- error flag for overdrive
- error flag for high temperature
- 0,25,50 or 75 us
Power Supply
Read/Write
Reset
Carrier On
Carrier Up
Carrier Down
VSWR Trip point
Frequency
Change Preemphasis
AGC Setpoint
Analog/Digital
Digital Input
Analog Input
Left Attenuation
- voltage level (Vdc)
- temperature in (°C)
- current on high voltage bus (Adc)
- attenuation level
- reflected level as % rated full scale
- forward level as % rated full scale
- input level as % rated full scale
- modulation level as %
- left audio input level shown as dB
- right audio input level shown as dB
Maintenance
Read Only
Pallet Supply Voltage
Temperature
48V Current
Attenuation
Reflected Level
Forward Level
RF Input Level
Deviation
Left Level
Right Level
Serial Number
Model Number
SNMP Error Flag
VSWR Flag
Overdrive
Temperature Flag
Preemphasis
10
Troubleshooting
The Technalogix.mib file allows access to the following data via the SNMP
protocol:
Safeguards
3.2.2 SNMP Management Information Base (MIB)
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
Maintenance
Set enable traps to 1 (or yes, depending on MIB browser).
Set the IP address to that of the receiving computer.
Set the community to one of the read communities set above.
10
Troubleshooting
To enable the SNMP traps, within the MIB browser that you choose:
Safeguards
3.2.3 SNMP Traps
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
As an example, the following is a screen shot of a high temperature fault
(Value 4).
Power Supply
Overdrive
High VSWR
High Temperature
High Speed Hardware Shutdown
High Input Level
Maintenance
Bit 0(LSB)
Bit 1
Bit 2
Bit 3
Bit 4(MSB)
10
Troubleshooting
The system will generate a general trap on any error flag and send an 8-bit
value indicating the type of error, as follows:
Safeguards
Ensure that your receiver’s port is set to 162
8
Power Supply
Maintenance
Passwords are to be a maximum of 7 characters long. Don’t forget your
password. Resetting passwords isn’t as fun as it sounds and may cause loss
of all settings.
10
Troubleshooting
The User account allows access only to the main page. The Admin account
allows access to the main and all the configuration pages.
RF Components
Control System
Operation
Installation
Principle of
Operation
Terms and
Warranty
This page allows the setting of the web browser’s User or Admin password,
as illustrated below.
Safeguards
3.3 Password Configuration
3
Principle of
Operation
Terms and
Warranty
An additional option for remote control of the power amplifier/transmitter is
through the DB25 connector found on the back panel of the power
amplifier/transmitter, as illustrated below:
Safeguards
Remote Control (via DB25)
Notes: 1. Analog output with voltage ranging from 0 to 3.3Vdc.
2. Open collector configuration on RF 1.04 and later. On RF 1.04 and
later, ground to activate input control on inputs; ground indicates fault
occurrence on fault outputs. On RF 1.03 and earlier, the inputs are TTL
digital inputs, active on rising edge and the outputs are active high.
3. If AGC off, these pins turn on AGC to the current FWD level, +/- 1%.
In addition to the DB25 parallel data connector, the user may chose to remotely
control the RF amplifier/transmitter via an optional Ethernet web server or
through an optional Simple Network Managed Protocol (SNMP) interface,
described later in this section.
Operation
Control System
RF Components
Description
Ground
Forward power sample1
Reflected power sample1
Carrier off2
Carrier on2
Increase carrier level 1%, if AGC on 2
Decrease carrier level 1%, if AGC on 2
Do not use
Reset 2
Do not use
High temperature flag2
High VSWR flag2
Amplifier overdriven flag2
Do not use
+3.3Vdc (for testing only, do not load)
Ground
Ground
Do not use
Power Supply
63
73
10
11
12
13
14
15
16
17
18-25
Maintenance
Pin Number
10
Troubleshooting
The overall functions of each pin on the Remote Port are indicated in the
following DB25 pinout:
Installation
Attach a male DB25 cable
to this female connector
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
The RBDS/RDS subcarrier level can be adjusted using R108 on the FM Exciter
1.01 circuit board. It should be set between 1.5 and 10% modulation. It is
recommended to turn to 0% if not RBDS/RDS is not being used to provide the
maximum available modulation for the audio signal.
Control System
General operating questions are answered here:
http://www.pira.cz/rds/show.asp?art=magic_rds_how_to.
RF Components
To interface with the RBDS/RDS you need to install the Magic RDS software.
Magic RDS software is found at http://www.pira.cz/rds/MagicRDS_Setup.exe.
Power Supply
To control the RBDS/RDS connect to the DB9 on the back of the unit using a
RS232 connection. A USB-to-RS232 or Ethernet-to-RS232 convertor can be
used instead (not included with transmitter).
Maintenance
RDS uses a subcarrier to embed the FM signal with information. This can be
used to transmit time, station identification, programming information and more.
10
Troubleshooting
Radio Broadcast Data System (RBDS) is commonly used for FM broadcast in
North America, while the Radio Data System (RDS) is implemented in Europe. In
1998, the two standards were largely unified. Both systems are implemented as
standard features on Technalogix FM transmitters, including the control,
generator, and interface.
Safeguards
RBDS and RDS
1
Safeguards
RF Components
25 dB
1050 W peak saturated at 50V
400 W
87.5 – 108.1 MHz
28 Adc
48 Vdc
Minimum
Pout max (FM)
Frequency
ID max
VD
25 dB
1200 W peak saturated at 50V
87.5 – 108.1 MHz
32-36 Adc
32-50 Vdc
PB1200F-86-110-574-49
Principle of
Operation
Installation
Typical gain
Pout max (FM)
Pout max (DVB-T)
Frequency
ID max
VD
PB1200F-86-110-574-25
Operation
25 dB
1050 W peak saturated at 50V
400 W
87.5 – 108.1 MHz
28 Adc
48 Vdc
Control System
Typical gain
Pout max (FM)
Pout max (DVB-T)
Frequency
ID max
VD
PB1000F-88-108-188XR
RF Components
21.5 dB
1 W peak sync
0.4 W rms
0.25 W
15 dBm
50 – 1000 MHz
0.47 Adc
24 Vdc
Power Supply
Typical gain
Pout max (NTSC)
Pout max (8VSB)
Pout max (DVB-T)
Pin max
Frequency
ID max
VD
Maintenance
PB1A-50-1000-1042H
10
Troubleshooting
The following is a summary of the typical FM amplifier pallets used in
Technalogix power amplifiers and transmitters out of the many pallets that have
been designed for production or custom applications. The exact bias and drain
currents of your system are found in the Final Inspection Report supplied in the
Quickstart package. Output power levels are absolute maximum levels.
Technalogix operates the pallets at reduced levels to improve performance and
increase reliability.
Terms and
Warranty
FM Amplifier Pallets
40 dB
25 W rms
88 – 108 MHz
10 dBm
1.6 Adc
28 Vdc
Typical gain
Pout min (FM)
Frequency
Pin max
ID typ
VD
25 dB
1125 W (w/ 3.5 W input)
86 – 110 MHz
10 dBm
32 - 36 Adc
32 - 50 Vdc
Terms and
Warranty
Typical gain
Pout max (8VSB)
Frequency
Pin max
ID max
VD
Safeguards
PB25C-86-110-xxx
10
Troubleshooting
Maintenance
Power Supply
RF Components
Control System
Operation
Installation
Principle of
Operation
PB1200C-86-110-574
2
Terms and
Warranty
Power Supply
Maintenance
10
Troubleshooting
4-Way:
RF Components
Control System
Operation
Installation
2-, 3-Way:
Principle of
Operation
If used, the splitter and combiner are used to split the RF signal into, and
combine the amplified RF signal out of the final amplifier pallets, within an
amplifier/transmitter enclosure. The splitter and combiner can be 2-, 3-, or 4-way
depending on how many finals pallets are used. Most designs are based on the
simple isolated Wilkinson combiner design. Due to its electrical and mechanical
symmetry, the Wilkinson design’s performance over moderate bandwidths is
superior to other types.
Safeguards
Splitter/Combiner
Max Output Power
Coupling
Coupling variation
Return Loss
Directivity
Environmental Conditions
Connectors
41 – 100 MHz (option A)
162 – 254 MHz (option B)
470 – 862 MHz (option C)
20 kW DTV (30 kW ATV)
-48 to -72 dB (on any channel)
< ± 0.15 dB 162 – 254 MHz
< ± 0.15 dB 470 – 862 MHz
> 30 dB (VSWR < 1.07)
> 30 dB
-5 to + 55 °C (+ 23 to + 131 °F)
EI A 1-5/ 8” or 3-1/ 8”(dependent on power level)
Terms and
Warranty
Principle of
Operation
Control System
RF Components
Frequency Range
Power Supply
Return Loss
Directivity
Environmental Conditions
Connectors
Maintenance
Max Output Power
Coupling
Coupling variation
41 – 100 MHz (option A)
162 – 254 MHz (option B)
470 – 862 MHz (option C)
2 kW DTV (3 kW ATV)
-36 to -60 dB (on any channel)
< ± 0.15 dB 162 – 254 MHz
< ± 0.15 dB 470 – 862 MHz
> 30 dB (VSWR < 1.07)
> 30 dB
-5 to + 55 °C (+ 23 to + 131 °F)
N, 7-16DI N, EI A 7/ 8” (dependent on power level)
10
Troubleshooting
Frequency Range
Operation
Installation
The dual directional coupler provides RF samples proportional to forward and
reflected RF power to be converted to DC voltages for monitoring. These analog
voltages are converted for processing using analog-to-digital converters and
provide the control system with valuable data for monitoring purposes. Output
power should be set following the operating procedure found elsewhere in this
manual. The directional coupler uses Type N connectors on lower power systems
and 7-16 DIN connectors are used for increased power handling capability. Other
connectors are available upon request – this connector is typically the RF output
connector on the back panel of the enclosure. On higher power systems, high
power handling connectors are used, especially in the overall output combiner.
On lower power systems, the coupler is typically based on microstrip architecture
on the exciter circuit board.
Safeguards
Directional Coupler
Frequency Range
Input Power (max)
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
86 – 110 MHz
250 W continuous
< 0.3 dB
< 0.25 dB
> 25 dB
> 28 dB
> -45 dB
Frequency Range
Input Power (max)
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
86 – 110 MHz
800 W continuous
< 0.25 dB
< 0.2 dB
> 25 dB
> 28 dB
> -60 dB
Frequency Range
Input Power (max)
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
Directivity (min)
86 – 110 MHz
1,200 W continuous
< 0.2 dB
< 0.15 dB
> 25 dB
> 30 dB
> -47 dB
25 dB
250W LPF, no coupler
Terms and
Warranty
86 – 110 MHz
150 W continuous
< 0.3 dB
< 0.25 dB
> 25 dB
> 28 dB
> -45 dB
Principle of
Operation
Frequency Range
Input Power (max)
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
Installation
150W LPF, no coupler
Operation
Our passive 50 ohm lowpass FM filters reject (and in some cases, absorb)
spurious and harmonic output products and passes the modulated FM output
carrier to the antenna or load.
Safeguards
Filter
Frequency Range
Input Power (max)
Insertion Loss (typ)
Return Loss (typ)
Rejection at 176 MHz
87.5 - 108 MHz
1,500 W continuous
< 0.1 dB
> 30 dB
> 10 dB return loss
RF Components
Power Supply
Maintenance
1,500W LPF, absorbing, no coupler
10
Troubleshooting
1,200W LPF, with coupler
Control System
800W LPF, no coupler
86 – 110 MHz
1,500 W continuous
th
9 order Chebyshev
< 0.2 dB
< 0.15 dB
> 25 dB
> 30 dB
> -47 dB
20 dB
Terms and
Warranty
Frequency Range
Input Power (max)
Order
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
Directivity (min)
Safeguards
1,500W LPF, with coupler
86 – 110 MHz
1,500 W continuous
th
9 order Chebyshev
< 0.12 dB
< 0.1 dB
> 28 dB
> 33 dB
> -47 dB
20 dB
Frequency Range
Input Power (max)
Order
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
86 – 110 MHz
2,000 W continuous
th
9 order Chebyshev
< 0.12 dB
< 0.1 dB
> 23 dB
> 25 dB
> -45 dB
Frequency Range
Input Power (max)
Order
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
Directivity (min)
MHz
3,600 W continuous
th
9 order Chebyshev
< dB
< dB
> dB
> dB
> dB
> - dB
Installation
Frequency Range
Input Power (max)
Order
Insertion Loss (max)
Insertion Loss (typ)
Return Loss (max)
Return Loss (typ)
Rejection at 176 MHz
Directivity (min)
Principle of
Operation
1,500W LPF, with -50dB coupler
Control System
RF Components
Power Supply
Maintenance
10
Troubleshooting
3,600W LPF, with coupler
Operation
2,000W LPF, no coupler
2
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Power Supply
The following is the switching power supply data sheet(s) used to convert the AC
to DC for the internal amplifier or transmitter components.
Maintenance
AC is fed into the power supply enclosure via a filtered AC entry and then
through a circuit breaker/switch. Specific AC current draw is documented in the
Final Inspection Report supplied in the Quickstart package. AC is then converted
to DC using one or more AC-DC switching power supplies.
10
Troubleshooting
Switching AC-DC power supplies are used to power the amplifier pallets, the
control circuits, and all of the fans. The DC system voltage is set at either 24, 30,
or 48Vdc nominally, depending on the system. All fans run off this same DC
supply. The specific DC system voltage is found in the Final Inspection Report,
and the model and number of power supplies, is documented in the Block
Diagram supplied in the Quickstart package.
Safeguards
Power Supply Components
150W Single Output with PFC Function
150W Single Output with PFC Function
SP-150
series
All modular components inside the enclosure are attached to aluminium
mounting plates for easy removal and replacement. Ensure that plates are
secured and the mounting hardware is tight.
Terms and
Warranty
Principle of
Operation
Installation
Operation
Control System
RF Components
Using either compressed air or a brush with soft bristles, loosen accumulated
dust and dirt and then vacuum the interior of the cabinet. Complete a visual
inspection of the interior, making sure there are no loose connections or
discolorations on any components from heat. Nothing inside the power amplifier
or transmitter enclosure exceeds a temperature that is not comfortable to the
touch under normal operating conditions (unless it is RF!), so any signs of
discoloration indicate potential damage.
Power Supply
Use extreme caution when working near the AC input terminal. The
power amplifier/transmitter and power supply store hazardous
capacitances and voltages.
Maintenance
The interior of the cabinets should be cleaned and inspected annually. Turn the
system off and unplug all of the AC inlet cords. Remove the top lid by unscrewing
the 6-32 machine screws.
10
Troubleshooting
If your unit employs a filter on the air inlet for the fans, the filter should be cleaned
every 30 days. If the equipment is operated in a severe dust environment, the
filters on the inlet fan may need to be cleaned more regularly. Turn the system off
and unplug all of the AC inlet cords. The filter can be lifted off the fan and
cleaned using an air compressor at low pressure. While the filter is out, clean the
fan blades themselves with a small brush. The fans themselves do not need
lubrication.
Safeguards
Maintenance
Is the input signal present and at the correct level?

Check display readings for presence of forward and reflected power and DC
supply levels.
The following flowcharts are an aid in determining the fault if some aspect of the
system is not operating.
Terms and
Warranty

Principle of
Operation
Are all the switches in the correct operating position?
Installation

Operation
Is the AC power ‘ON’ to the site and the equipment? (Check fuses and circuit
breakers if necessary.)
Control System

RF Components
Make a physical inspection of the entire facility.
Are all necessary
connections properly made? Do you see any signs of obvious damage within
the equipment?
Power Supply

Maintenance
Look first for the obvious.
10
Troubleshooting
The first and most important aspect of troubleshooting anything is to be
systematic. Note where you have looked and what you found.
Safeguards
Troubleshooting
AC-DC Power Supply (PSU) Troubleshooting
Properly terminate PA into 50ohm load.
Apply proper AC power to back panel
(check if 110V or220V).
Turn on AC rocker switch on back panel.
Display
on?
YES
NO
AC breaker tripped?
YES
DC
voltage on
display
correct?
NO
YES
Display and
PSU come
back on?
Reset circuit breaker on back panel.
NO
Turn off power from back panel.
Remove lid of enclosure with power supply.
AC voltage present
on PSU input?
YES
NO
NO
DANGEROUS
VOLTAGES INSIDE!
Faulty AC connection, entry, switch, or breaker.
YES
DC voltage present
on PSU output?
YES
Screen not displaying, but DC PSU
voltage okay. Troubleshoot control
system.
NO
Disconnect DC loads (tape off so they do not
short out) to see if DC output loaded down.
Proper DC voltage
on PSU output?
YES
Pallet, fan, or control system loading PSU down.
Troubleshoot control system or RF signal path.
NO
Bad PSU - magic smoke released.
Replace PSU.
NO
Is PSU in
shutdown mode?
PSU is
operating
correctly.
YES
Remove shutdown conditions and
reset the PSU.
Last Updated: 12-Jul-2011
Control System (Adrenaline) Troubleshooting (1 of 2)
Front panel
membrane
Buttons (if used)
functioning?
Display
showing text
and data
accurately?
YES
NO
NO
Alternative
button inputs
on remote
port working?
Remote port
working
correctly?
YES
YES
Membrane
connected
properly to
PCB?
YES
NO
Bad / loose
membrane
connector /
wiring
Is text /
graphics
readable?
NO
Goto page
2 of 2
NO
NO
Display pins /
connector
seated
properly?
YES
Replace preprogrammed
touchscreen
or display
Check cable
that mates to
DB25 panel
connector
DC or RF
from dir.
coupler
correct?
Is external
equipment
loading down 5V
or 3V on port?
YES
FWD and
RFL display
data
accurate?
NO
Type of
modulation,
A/V ratio, etc
correct?
YES
YES
AC-DC power
supply output
at proper
voltage?
YES
YES
Power external
equipment from
dedicated
power supply
NO
Follow power
supply troubleshooting guide
Contact
Technalogix
for further
information
Contact
Technalogix
for further
information
YES
PSU wiring
inputs to
control PCBs
secure?
YES
Bad
membrane
switch or
control PCB
Contact
Technalogix
for further
information
Power supply
display data
accurate?
NO
RF or DC
Distribution
PCB issue
Contact
Technalogix
for further
information
YES
Contact
Technalogix
for further
information
DANGEROUS VOLTAGES
INSIDE ENCLOSURE!
Last Updated: 29-Aug-2011
Control System (Adrenaline) Troubleshooting (2 of 2)
Ethernet
interface
functioning?
YES
SNMP
interface
functioning?
YES
Communication
between PCBs
working (CAN)?
Contact
Technalogix
for any
issues not
listed
YES
NO
Display Interface
orange S/W LED
flashing?
NO
Is FWD, RFL, or
DC voltage
displayed on
screen?
YES
Display Int. not
communicating with
RF PCB. Check
CAT5 cables
Contact
Technalogix for
any issues not
listed
DANGEROUS VOLTAGES
INSIDE ENCLOSURE!
Last Updated: 29-Aug-2011
1
Safeguards
Terms and
Warranty
Principle of
Operation
Control System
RF Components
Power Supply
Maintenance
10
Troubleshooting
If there is anything we can do to help in your success, please do not hesitate to
contact us. We also welcome suggestions for product improvements or feature
enhancements, as long as it is not a built in coffee maker.
Operation
Installation
Thank you
for choosing
Technalogix Ltd.

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Technalogix TXF50 FM Broadcast Transmitter, 50 Watts User Manual FM Manual 30 Sep 2014

Technalogix, Ltd. FM Broadcast Transmitter, 50 Watts FM Manual 30 Sep 2014

Users Manual

FCC ID Filing: QH5TXF50

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