NiCOM USA NT15FP06 TV TRANSMITTER User Manual USERS MANUAL 2

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Document ID	822064
Application ID	mCMWE2ybpW9+KvhYBsw4RA==
Document Description	USERS MANUAL 2
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	22.97kB (287176 bits)
Date Submitted	2007-07-27 00:00:00
Date Available	2007-07-31 00:00:00
Creation Date	2006-05-15 13:34:58
Producing Software	Adobe Acrobat 6.0.2 Paper Capture
Document Lastmod	2006-05-15 13:58:33
Document Title	USERS MANUAL 2
Document Creator	HP PrecisionScan Pro 3.0

Section 2 - Installation
Contents:
21 Operating environment
2.2 Preliminary operations
2,3 Remote socket connections
2.4 RS232 Socket connections
2.5 Menu description
26 Protection thresholds, alarms and settings
2.7 Channel change procedure
2.8 Preventive maintenance
- Front panel
- Rear panel
2.1 OPERATING ENVIRONMENT
The transmittercan be installed in a standard component rack or on a suitable surface such as a bench or
desk, In any case, the area should be as clean and well-ventilated as possible. Always allow for at least
2 inches of clearance under the unit for ventilation If you set the device on a flat surface, install spacers
on the bottom cover plate. Ifyou install the unit in a rack, provide adequate clearance above and below.
Do not position the unit above a hot piece of equipment.
2.2 PRELIMINARY OPERATIONS
Correct installation of the equipment is important for maximum performance and reliability. Antenna
and ground connections must be installed with the greatest care. There is no need of adjustment of the
transmitter because the unit comes already set by our technicians
i. connect the power AC cable of the transmitter to the main AC plug. If the transmitter has to be
connected to an amplifier, the power cable of the transmitter must be connected to the auxiliary socket
of the amplifier and the power cable of the amplifier to the AC plug;
2. connect the antenna cable on the rear panel.
I IIIIIIIIII
WARNING!!!
FOR ELECTRICAL SAFETY REASONS AND IN ORDER TO KEEP THE UNIT SAFE, THE
GROUND TERMINAL OF THE TRANSMITTER MUST BE CONNECTED TO A GOOD
GROUNDING SYSTEM AND NOT ONLY USING THE SHIELD OF THE OUTPUT COAXIAL
CABLE.
3. Connect audio/video cables to the input connectors on the front panel.
WARNINGIII
FOR ELECTRICAL SAFETY REASONS AND IN ORDER TO KEEP THE UNIT SAFE, THE
GROUND TERMINAL OF THE TRANSMITTER MUST BE CONNECTED TO THE EXIST-
ING GROUNDING SYSTEM AND NOT BY USING THE SHIELD OF THE OUTPUT COAXIAL
CABLE.
2.3 REMOTE SOCKET CONNECTIONS
®-®
D59 Socket ‘L
Refleded Power
Forward Power
rGND= Alarm
Floaflrgt OK
GND= OFF
(N or Flosflrg= ON
2.4 RS232 SOCKET CONNECTIONS
2.5 MENU DESCRIPTION
TV Transmit. 5W Type of device and installed software version indication
Software V 2.0
Standard Transmission standardiudication
G ~ H
Sync Meter Synchronism level indication
--------------- lIIIlIIIllII
Audio Meter Audiolevelindimfion
--------------- IIIIIIlIIllI
FWD Power 5W Output forward power indication
~~~~~~~~~~~~ |||lII||||||
REF Power OW Output refleflcd power indication
""""""""""" Illlllllllll
Temperat. 350°C Amplifierheat—sinktempu-amreindicafion
~~~~~~~~~~~~~~~ IIIIIIlIIIII
PLL oonv. Lock Localoscinmorstams indicalion
~ 4 . ~ ' ‘ ~l|IIlIIIIIII ~~~~~~~
Current Amp 6.4A Amplifier absorbed cmrenthmdication
~~~~~~~~~~~~~~~ IIlIIIIIlIII
Voltage Amp 275V Amplifierpowersupply voltage indication
............... |||||| ||||
PLL video IF oscillators status indication
PLL audio
Offset OFFSET indication
Channel hansmission channelindicaficm
66Ch
f——'—'
Remote Control Remote Control status indication
Power ON
Fwd Alarm Level ForwatdAlannlevel indication
1 SW
2.6 PROTECTION THRESHOLDS, ALARMS AND SETTINGS
Incase of breakdown or unlock of one of the PLLS, the power of the transmitter is automatically deueased
to zero and the “ALARM” indication is shown on the display, which then automatically enters the menu of the
‘ faulty parameter. When the alarm disappears, the transmitter is turned on again. Afier five ON/OFF cycles,
the transmitter is blocked with a “FAULT” indication on the parameter which caused the stop
Only the S’DANDARD, transmission CHANNEL, OFFSET and REMOTE ENABLED parameters can be
set.
In order to set them, perform the following steps:
- remove the jumper called JP] from the board; ,
- press many times the lefl key to choose the parameter to be set;
- once the parameter has been selected, press the right key to confirm. The set parameter starts blinking;
- choose the new value to be set by pressing the lefi key;
- once the value has been chosen, press the right key to confirm;
- place again the previously removed jumper IPl .
Note: after the STANDARD parameter has been modified, you will be asked to modxfi the transmis-
sion CHANNEL parameter as well.
WARNING!!!
THE SETTING OF THE STANDARD AND TRANSMISSION CHANNEL PARAMETERS
MUST BE PERFORMED BY SKILLED PERSONNEL ONLY,
SINCE THEY REQUIRE A RECALIBRATION OF THE FILTERS.
2.7 CHANNEL CHANGE PROCEDURE
1. Remove J'Pl from the boards SCH0123AR1 (Setting mode)
2‘ Select the "Standard“ menu by scrolling the display with the left key and confirm with the fight key (not
needed to change the channel only) Select the desired standard with the left key and confirm with the right
key.
3. Inthe "Channe "menu, selectthe desired channelbyserollingwiththelefikeyandconfirmingwiththenght
key-
4. Reposition JP] on SCH0123AR1 (Display mode).
5. Scroll the "PLL CONV" menu to display the lock voltage of the PLL.
6. Adjust C20 (fine) and C31 (coarse) on SCH0136ARO to lock the PLL ("lock" indication on the display
and lock voltage in the middle).
7. Re-time the channel filter MTGOOSOARO as per the calibration procedure.
2.8 PREVENTIVE MAMENAN CE
To ensure maximum performance and minimum repair trouble, we strongly recommend that you follow
the following guidelines for preventive maintenance:
1. check the antenna installation and ground connection at regular intervals;
2. keep your transmitter clean and dry externally: this will ensure continuous functioning of the front
panel controls;
' 3, if the unit has not been used for a long period of time combined with exposure to extreme environ-
mental conditions, open the unit and make a visual inspection.
Remove salt, water or ice with a moist cloth before tuming the unit on. Check that the cooling fans are
running freely.
4‘ for general maintenance and top performance, call an authorized service technician to check the
complete antenna/earth connection installation a general check each 12-18 months;
5. check at regular intervals tliatthe airintake located on the fi'ont panel is free of dust. If there is visible dust,
remove it with a soft brush.
. 3&2”;
J m“
labs no: u:
T!
i‘
fiw‘
‘ 2
Front panel
Video sectlon
759 ENC Vldeo inpu 1Vpp teas adjuslable
Sound carrier
level adjuslmem
Audio In put
10k/6000 BEVUnbaI Audlo Inpm 7Vpp adjustable
thee—cell Iinaarlty prs-correclor
Automatlc I Manual loyal convol
—3dB 0mm power wim no sync
lF (-15dBm) Llnk
Mlcroprocessor comrol readlngs
~ FWD Power level wllh alarm
- REF Powerlsvel with alarm
- Audio melsr
- Sync meler
- IF Caviar lock Shms Mm alarm
- L,0. Canter lock shins and Lock volhge Indlcilion with alarm
- Heatsirk lemperalue with alarm
- RF Power ampnller operaliru point
- Output power, slandard, channel, onset
Frequency Ad],
Rear panel
Power §upp|y socket wifl'l Fuse
@ Maln switch
2 < RF hpm connector
0 1 RF Output connector
I@ ‘ '
" i Tslsmeasuring socket
H ‘ R3232 Seeket
@ ;
i O
©fi
Section 3 - Diagram
Contents:
- ComponentLayout
- Amplifier module - Component list
- (Mother board)
- (Control board and display)
- (IVIVBd VCO Integrated)
- (40dB UHF Filter)
- (Interface board)
- (5W Amplifier module)
- (2WAmp/il7er module)
- (SP-150-24 Switching power supply)
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Component list Amplifier module
Descriptlon
SW UHF AMPLIFIER MODULE
2W UHFAM'PLIFIER MODULE
SMB SOCKET ON REAR PANEL 11114553000
CPAS TF418‘4525102XG300M00-VDC
SCAOOSQRI BOX FOR 5W UHF DRIVER
SCAODNRO COVER FOR BOX 501000
SMA SOCKET WITHOUT BATTERY 101151A0531
DETlOZSRO HEATSY'N'K FOR CAV SW UHF
INTERFACE BOARD
""“‘““" 3
CALIBRATION POINTS
- Adjustments paints description
Video carrier oscillator tuning capacitor
Audio carrier osclllaior tuning capacitor
Locked video lF PLL indication LED
Locked audio IF PLL indication LED
Board power Indication LED
TModulation sectlon power indication LED
Locked local oscillator PLL imication LED
4L
Converslon section power indication LED
Baseband sectlon power supply indication LED
Enabled linearity pre-corrector LED
3dB Power decrease Indication LED
+Board power supply fuse
750 ENC video inpm connector
Testpoint for measua of video carrier PLL lock voltage
Teslpoim for measue of audio carrierPLL lock voltage
SMB 509 IF connection omput connector
SMB PLL Exremal reference input connector
Display board-20 pln comeclor
Testpolnt fro processed audio omput before modulation
Testpoint for chamel symhesls VCO lest
_'
Tesipolnt for regenerated synd'norism level measurement
RF stage 10 pin connector
SMB 759 Processed video outout signal monllor connector
J14 isms F mm signal monitor connector before the mixer
J12 _I SW 509 RF output signal oomector
J15 SMB 509 Local oscillator outpw monitor connector
J16 SMB 509 IF input connector
JP17 Expansion I Compression function selection oell n 1
J20-21 [EC Voltage measurement iesipoint
J23 XLR 6000 Balanced audio inpm connector
JP1 Jumper for audio carrier activation
JP3 Jumper for frequency reierenoe selection
JP4-JP20 Junpers tor video processor encltision
JPG Jumper tor white iimliaiion exduslon
JP7 —l Jumper tor synchronism regeneration insertion
JP8 Junper for audio limitation insertion
JPs-JPto Jumpers for 15kHz low-pass filter exclusion
JP1 3-JP1 8 Jumpers for group delay pare-correction stage exclusion
JP14-JP15 Jumpers for audio empi'usis timeconstart definition
JP19 Jumper for Forward power reading source seieaion
JP11 Junper for F signal monitoring before the mixer
JP1G Jumper for audio lnprx impedance selection
L7 Video carrier oscillator tuning coil
L9 Audio carrier oscillator tuning coll
While limitation circuit chrome-trap tuning ooll
MF2...MF9
Video group delay pro-correction cells tuning coil
0861 htemal reference frequencyfire adjust
R29 video sub-carrier level regdation trimmer
R42 Video amplitude modulation depth regmatlon trimmer
R66 F Output level regdation trimmer
R70
Synchronlsm limitation circuit intervention setting trimmer
R79 Audio deviation regulation trimmer
R84 Regenerated synchronism level regulation trimmer
R36 Video synchronism level indication regulation trirrurner
R87 Audio deviation level Indication reguhtion trimmer
R109 White limitation clrouit intervention setting trimmer
R116 Audio deviation limitation circuit syrnmetrytrlmmer
R142-143 Automatic [Manual Input AGC level
R263 Reflected power indication regulation trimmer
R259 Forward power Indication regulation trimmer
R152 Video pre—oorrector cell 8 passing band regulation trimmer
R153 Video pre-corrector cell a group delay regulation trimmer
R155 Video pre—corrector cell 7 passing band regulation trimmer
R156 _r\-/ideo pre-corrector cell 7 group delay regulation trimmer
R158 Video preconector cell 6 passing band regulation trimmer
R1 59 Video pre-corrector cell 6 group delay regulation trimmer
R161 Video pre—corrector oell 5 passing band regutation trimmer
R162 Video pre-oorrector cell 5 group delay regulation trimmer
R242 Video pre-corrector cell 1 passing band regulation trimmer
R243 Vudeo pre-oorroctor cell 1 group delay regulation trimmer
R245 Video pre-correctorcell 2 passing band regulation trimmer
R246 Video pre—corrector oell 2 group delay regulation trimmer
R248 Video pre-corrector cell 3 passing band regulation trimmer
R249 flueo pmonecbr cell 3 group delay regulation tn'mmer
R251 Video pre-correctnr cell 4 passing band regulation trimmer
R252 Video pre-corrector cell 4 group delay regdation trimmer
R298 Video Inpun level regulation trimmer
R300 Audio sub-warrior level regulation trimmer
R302 Audio inpu level regulation irimmer
R306~307-308 Knee and Inclination phase of the cell n. 2
R309-310-311anee and inclination phase oi the eel n. 3
R312 IF Gain regulation trimmerln normal mode
_I
R314 lF Gain regulation trimmer in automatic mode
R316 iF Gain regulation tn'mmet in automatic mode with ext amplifier
R317 ocxo Flne wig Freq‘ adj, '
SAW1 Vsstiglal SAW filter, depending on the standarfl
SW1 rLinearlty pre—correction Insertion switch
SW2-3 iF Gain control mode selection switch
V001 —rPLL commlled local oscillator board lnsem'on slot
CONTROL BOARD AND DISPLAY
TECHNICAL CHARACTERISTICS
. Analog reading:
Forward power
Reflected power
Synchronism level
Audio deviafion
Heat sink temperature
Channel VCO tuning
Final stage working voltage
Cm-rent absorbed by the final stage
- Digital controls
l'F PLL Lock status
Alarm status
ON - OFF
- Programming
IFPLL
Channel I’LL
Component layout
Indication on analog instrument and numerical withalarm
Indication on analog instrument and numerical with alarm
Indication on analog instrument
Indication on analog instrument
Indication on analog instrument and numerical with alarm
Indication on analog instrument with alarm
Indication on analog instrument and numerical
Indication on analog instrument and numerical
Indication on audio and video sub-carriers and channel carrier
Alarm indication on one of the readings
Remote control of powered apparatus
Programming of the oscillators PLL depending on the standard
Programing ofthe oscillator PLL depending on the channel

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