AnyDATA DTSS-1900 CDMA Data Modem with DTSS-1900 User Manual EMII1900 service manual

Download:
Mirror Download [FCC.gov]
Document ID	234608
Application ID	jKRcPx6yrhB+EstCgDZinA==
Document Description	Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	54.56kB (681971 bits)
Date Submitted	2002-04-02 00:00:00
Date Available	2002-04-02 00:00:00
Creation Date	2002-03-15 15:48:10
Producing Software	FinePrint pdfFactory v1.10 (Windows 2000 Korean)
Document Lastmod	0000-00-00 00:00:00
Document Title	Microsoft Word - EMII1900_service_manual.doc
Document Creator	FinePrint pdfFactory
Document Author:	Administrator

Interface Description
EMII-1900 Service Manual Application Information
SERVICE MANUAL
1.9G CDMA Wireless Kit
EMII-1900
AnyDATA.NET Inc.
Hanvit Bank B/D 6F
Byulyang-dong Kwachon
KOREA
Tel) 82-2-504-3360
Fax) 82-2-504-3362
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
Introduction
The EMII-1900 is designed for the test and simulation of the CDMA wireless data communications.
User can
connect the EMII-1900 to your PC or Notebook and easily test the wireless communications. User can use this
to develop your applications software even before user…s own hardware is ready.
It also can be used as a
debugging during user…s hardware test.
Disclaimer and Limitation of Liability
AnyDATA.NET Inc. assumes no responsibility for any damage or loss resulting from the misuse of its products.
AnyDATA.NET Inc. assumes no responsibility for any loss or claims by third parties, which may arise through
the use of its products.
AnyDATA.NET Inc. assumes no responsibility for any damage or loss caused by the
deletion or loss of data as a result of malfunctions or repairs.
The information disclosed herein is the exclusive property of AnyDATA.NET Inc. and no part of this publication
may be reproduced or transmitted in any form or by any means including electronic storage, reproduction,
adaptation , translation , execution or transmission without the prior written consent of AnyDATA.NET Inc.
The information contained in this document is subject to change without notice.
FCC RF Exposure Information
Warning!
Read this information before using this device.
In August 1996 the Federal Communications Commission (FCC) of the United States with its
action in Report and Order FCC 96-326 adopted an updated safety standard for human
exposure to radio
frequency electromagnetic energy emitted by FCC regulated transmitters.
Those guidelines are consistent with the safety standard previously set by both U.S. and
international standards bodies. The design of this device complies with the FCC guidelines and
these international standards.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
CAUTION
Operating Requirements
The user can not make any changes or modifications not expressly approved by the party responsible for
compliance, otherwise it could void the user's authority to operate the equipment.
To satisfy FCC RF exposure compliance requirements for a mobile transmitting device, this device and
its antenna should generally maintain a separation distance of 20cm or more from a person…s body.
Special accessories
In order to ensure this device in compliance with FCC regulation, the special accessories are provided with this
device and must be used with the device only. The user is not allowed to use any other accessories than the
special accessories given with this device
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
Table of Contents
General Introduction
................................................................................................................................ 2
CHAPTER 1. System Introduction
1. System Introduction ....................................................................................................
2. Features and Advantages of CDMA Module ...........................................................
3. Structure and Functions of CDMA Module .............................................................
4. Specification ...............................................................................................................
CHAPTER 2. NAM Input Method(Inputting of telephone numbers included)
1. NAM Programming Method and Telephone Number Input Method ......................... 11
CHAPTER 3. Circuit Description
1. Overview .................................................................................................................... 14
2. RF Transmit/Receive Part ........................................................................................ 14
3. Digital/Voice Processing Part ......................................................................... ® ® .. 17
CHAPTER 4. FCC Notice
Appendix
.............................................................................................................................. 22
1. Assembly and Disassembly Diagram
2. Block & Circuit Diagram
3. Part List
4. Component Layout
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
General Introduction
The EMII-1900 functions digital cellular module worked in CDMA (Code Division Multiple Access)
mode. CDMA type digital mode applies DSSS (Direct Sequence Spread Spectrum) mode which is
used in military.
This feature enables the phone to keep communication from being crossed and use one frequency
channel by multiple users in the same specific area, resulting that it increases the capacity 10 times
more compared with that in the analog mode currently used.
Soft/Softer Handoff, Hard Handoff, and Dynamic RF power Control technologies are combined into
this phone to reduce the call being interrupted in a middle of talking over phone.
CDMA digital cellular network consists of MSC (Mobile Switching Office), BSC (Base Station
Controller), BTS (Base station Transmission System), and MS (Mobile Station). Communication
between MS and BTS is designed to meet the specification of IS-95A (Common Air Interface). MS
meets the specifications of the below :
- IS-95A ( Common Air Interface ) : Protocol between MS and BTS
- IS-96A ( Vocoder ) : Voice signal coding
- IS-98 : Basic MS functions
- IS-126 : Voice loopback
- IS-99 : Short Message Service, Async Data Service, and G3 Fax Service
EMII-1900 is digital mode is designed to be operated in full duplex.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
EMII-1900
CHAPTER 1. System Introduction
1. System Introduction
1.1 CDMA Abstract
The cellular system has a channel hand-off function that is used for collecting the information on the locations and movements
of radio mobile telephones from the cell site by automatically controlling several cell site through the setup of data transmission
routes and thus, enabling one switching system to carry out the automatic remote adjustment. This is to maintain continuously
the call state through the automatic location confirmation and automatic radio channel conversion when the busy subscriber
moves from the service area of one cell site to that of another by using automatic location confirmation and automatic radio
channel conversion functions. The call state can be maintained continuously by the information exchange between switching
systems when the busy subscriber moves from one cellular system area to the other cellular system area.
In the cellular system, the cell site is a small-sized low output type and utilizes a frequency allocation system that considers
mutual interference, in an effort to enable the re-use of corresponding frequency from a cell site separated more than a certain
distance. The analog cellular systems are classified further into an AMPS system, E-AMPS System, NMT system, ETACS
system, and JTACS system depending on technologies used.
Unlike the time division multiple access (TDMA) or frequency division multiple access (FDMA) used in the band limited
environment, the Code Division Multiple Access(CDMA) system which is one of digital cellular systems is a multi-access
technology under the interference limited environment. It can process more number of subscribers compared to other systems
(TDMA system has the processing capacity three times greater than the existing FDMA system whereas CDMA system, about
12~15 times of that of the existing system).
CDMA system can be explained as follows: TDMA or SDMA can be used to enable each person to talk alternately or provide a
separate room for each person when two persons desire to talk with each other at the same time, whereas FDMA can be used to
enable one person to talk in soprano, whereas the other in bass (one of the two talkers can carry out synchronization for hearing
in case there is a bandpass filter function in the area of the hearer).
Another method available is to make two persons to sing in different languages at the same time, space, and frequency when
wishing to let the audience hear the singing without being confused. This is the characteristics of CDMA.
On the other hand, when employing the CDMA technology, each signal has a different pseudo-random binary sequence used to
spread the spectrum of carrier. A great number of CDMA signals share the same frequency spectrum. In the perspective of
frequency area or time area, several CDMA signals are overlapped. Among these types of signals, only desired signal energy is
selected and received through the use of pre-determined binary sequence; desired signals can be separated and then, received
with the correlator used for recovering the spectrum into its original state. At this time, the spectrums of other signals that have
different codes are not recovered into its original state and instead, processed as noise and appears as the self-interference of
the system.
Interface Description
EMII-1900 Service Manual Application Information
2. Features and Advantages of CDMA Module
2.1 Various Types of Diversities
In the CDMA broadband modulation(1.25MHz band), three types of diversities (time, frequency, and space) are used to reduce
serious fading problems generated from radio channels in order to obtain high-quality calls.
Time diversity can be obtained through the use of code interleaving and error correction code whereas frequency diversity can
be obtained by spreading signal energy to more wider frequency band. The fading related to normal frequency can affect the
normal 200~300kHz among signal bands and accordingly, serious affect can be avoided. Moreover, space diversity (also called
path diversity) can be realized with the following three types of methods.
First, it can be obtained by the duplication of cell site receive antenna. Second, it can be obtained through the use of
multi-signal processing device that receives a transmit signal having each different transmission delay time and then, combines
them. Third, it can be obtained through the multiple cell site connection (Soft Handoff) that connects the mobile station and
more than two cell sites at the same time.
2.2 Power Control
The CDMA system utilizes the forward (from a base station to mobile stations) and backward (from the mobile station to the
base station) power control in order to increase the call processing capacity and obtain high-quality calls. In case the originating
signals of mobile stations are received by the cell site in the minimum call quality level (signal to interference) through the use
of transmit power control on all the mobile stations, the system capacity can be maximized.
If the signal of mobile station is received too strong, the performance of that mobile station is improved. However, because of
this, the interference on other mobile stations using the same channel is increased and accordingly, the call quality of other
subscribers is reduced unless the maximum accommodation capacity is reduced.
In the CDMA system, forward power control, backward open loop power control, and closed loop power control methods are
used. The forward power control is carried out in the cell site to reduce the transmit power on mobile stations less affected by
the multi-path fading and shadow phenomenon and the interference of other cell sites when the mobile station is not engaged in
the call or is relatively nearer to the corresponding cell site. This is also used to provide additional power to mobile stations
having high call error rates, located in bad reception areas or far away from the cell site.
The backward open loop power control is carried out in a corresponding mobile station; the mobile station measures power
received from the cell site and then, reversely increases/decreases transmit power in order to compensate channel changes
caused by the forward link path loss and terrain characteristics in relation to the mobile station in the cell site. By doing so, all
the mobile office transmit signals in the cells are received by the cell site in the same strength.
Moreover, the backward closed loop power control used by the mobile station to control power with the commands issued out
by the cell site. The cell site receives the signal of each corresponding mobile station and compares this with the pre-set
threshold value and then, issues out power increase/decrease commands to the corresponding mobile station every 1.25 msec
(800 times per second).
By doing so, the gain tolerance and the different radio propagation loss on the forward/backward link are complemented.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
2.3 Voice Encoder and Variable Data Speed
The bi-directional voice service having variable data speed provides voice communication which employs voice encoder
algorithm having power variable data rate between the mobile telephone cell site and mobile station. On the other hand, the
transmit voice encoder performs voice sampling and then, creates encoded voice packets to be sent out to the receive voice
encoder, whereas the receive voice encoder demodulates the received voice packets into voice samples.
One of the two voice encoders described in the above is selected for use depending on inputted automatic conditions and
message/data; both of them utilize four-stage frames of 9600, 4800, 2400, and 1200 bits per second. In addition, this type of
variable voice encoder utilizes adaptive threshold values when selecting required data rate. It is adjusted in accordance with the
size of background noise and the data rate is increased to high rate only when the voice of caller is inputted.
Therefore, background noise is suppressed and high-quality voice transmission is possible under the environment experiencing
serious noise. In addition, in case the caller does not talk, data transmission rate is reduced so that the transmission is carried
out in low energy. This will reduce the interference on other CDMA signals and as a result, improve system performance
(capacity, increased by about two times).
2.4 Protecting Call Confidentiality
CDMA signals have the function of effectively protecting call confidentiality by spreading and interleaving call information in
broad bandwidth. This makes the unauthorized use of crosstalk, search receiver, and radio very hard substantially. Also
included is the encryption function on various authentication and calls specified in IS-95 for the double protection of call
confidentiality.
2.5 Soft Handoff
During the soft hand, the cell site already in the busy state and the cell site to be engaged in the call later participate in the call
conversion. The call conversion is carried out through the original call connection cell site, both cell sites, and then, new cell
site. This method can minimize call disconnection and prevent the user from detecting the hand-off.
2.6 Frequency Re-Use and Sector Segmentation
Unlike the existing analog cellular system, the CDMA system can reuse the same frequency at the adjacent cell and accordingly,
there is no need to prepare a separate frequency plan. Total interference generated on mobile station signals received from the
cell site is the sum of interference generated from other mobile stations in the same cell site and interference generated from the
mobile station of adjacent cell site. That is, each mobile station signal generates interference in relation to the signals of all the
other mobile signals.
Total interference from all the adjacent cell sites is the ratio of interference from all the cell sites versus total interference from
other mobile stations in the same cell site (about 65%). In the case of directional cell site, one cell normally uses a 120슏 sector
antenna in order to divide the sector into three. In this case, each antenna is used only for 1/3 of mobile stations in the cell site
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
and accordingly, interference is reduced by 1/3 on the average and the capacity that can be supported by the entire system is
increased by three times.
2.7 Soft Capacity
The subscriber capacity of CDMA system is flexible depending on the relation between the number of users and service classes.
For example, the system operator can increase the number of channels available for use during the busy hour despite the drop in
call quality. This type of function requires 40% of normal call channels in the standby mode during the handoff support, in an
effort to avoid call disconnection resulting from the lack of channels.
In addition, in the CDMA system, services and service charges are classified further into different classes so that more transmit
power can be allocated to high class service users for easier call set-up; they can also be given higher priority of using hand-off
function than the general users.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
3. Structure and Functions of CDMA Module
The mobile station of CDMA system is made up of a radio frequency part and logic/control (digital) part. The mobile station
antenna is connected with the transmitter/receiver via a duplexer filter so that it can carry out the transmit/receive function at
the same time.
The transmit frequency is the 60MHz band of 1851.25 ~ 1908.75MHz, whereas the receive frequency is the 60MHz band of
1931.25 ~ 1988.75MHz. The transmit/receive frequency is separated by 80MHz. The RF signal from the antenna is converted
into intermediate frequency(IF) band by the frequency synthesizer and frequency down converter and then, passes the bandpass
SAW filter having the 1.25MHz band. IF output signals that have been filtered from spurious signal are converted into digital
signals via an analog-to-digital converters(ADC) and then, sent out respectively to 5 correlators in each CDMA de-modulator.
Of these, one is called a searcher whereas the remaining 4 are called data receiver(finger). Digitalized IF signals include a great
number of call signals that have been sent out by the adjacent cells. These signals are detected with pseudo-noise sequence (PN
Sequence). Signal to interference ratio (C/I) on signals that match the desired PN sequence are increased through this type of
correlation detection process. Then, other signals obtain processing gain by not increasing the ratio. The carrier wave of pilot
channel from the cell site most adjacently located is demodulated in order to obtain the sequence of encoded data symbols.
During the operation with one cell site, the searcher searches out multi-paths in accordance with terrain and building reflections.
On three data receivers, the most powerful four paths are allocated for the parallel tracing and receiving. Fading resistance can
be improved a great deal by obtaining the diversity combined output for de-modulation. Moreover, the searcher can be used to
determine the most powerful path from the cell sites even during the soft handoff during the two cell sites. Moreover, four data
receivers are allocated in order to carry out the de-modulation of these paths. Data output that has been demodulated change the
data string in the combined data row as in the case of original signals(deinterleaving), and then, are de-modulated by the
forward error correction decoder which uses the Viterbi algorithm.
On the other hand, mobile station user information sent out from the mobile station to the cell site pass through the digital voice
encoder via a mike. Then, they are encoded and forward errors are corrected through the use of convolution encoder. Then, the
order of code rows is changed in accordance with a certain regulation in order to remove any errors in the interleaver. Symbols
made through the above process are spread after being loaded onto PN carrier waves. At this time, PN sequence is selected by
each address designated in each call.
Signals that have been code spread as above are digital modulated (QPSK) and then, power controlled at the automatic gain
control amplifier (AGC Amp). Then, they are converted into RF band by the frequency synthesizer synchronizing these signals
to proper output frequencies.
Transmit signals obtained pass through the duplexer filter and then, are sent out to the cell site via the antenna.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4. Specification
4.1 General Specification
4.1.1 Transmit/Receive Frequency Interval : 80 MHz
4.1.2 Number of Channels (Channel Bandwidth)
CDMA : 42 CH (BW: 1.23MHz)
41.3 Operating Voltage : DC 6~12V
4.1.4 Operating Temperature : -30° ~ +60°
4.1.5 Frequency Stability
CDMA : ⥮ 150 Hz
4.1.6 Antenna : Whip Type, 50 Ω
4.1.7 Size and Weight
1) Size : 121mm x 47mm x 24mm (L x W x D) with case
2) Weight : 112g
4.1.8 Channel Spacing
CDMA : 1.25MHz
4.2 Receive Specification
4.2.1 Frequency Range
Digital : 1931.25 MHz ~ 1988.75 MHz
4.2.2 Local Oscillating Frequency Range : 1749.62MHz
30MHz
4.2.3 Intermediate Frequency : 210.38MHz
4.2.4 Sensitivity
less than -104dBm
4.2.5 CDMA Input Signal Range
• Dynamic range : -104~ -25 dBm (more than 80dB) at the 1.23MHz band.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4.3 Transmit Specification
4.3.1 Frequency Range
1851.25MHz ~ 1908.75MHz
4.3.2 Local Oscillating Frequency Range : 1749.62MHz
30MHz
4.3.3 Intermediate Frequency : 130.38 MHz
4.3.4 Max Output Power
CDMA : 0.3W
4.3.5 Interference Rejection
1) Single Tone : -101dBm with Jammer of -30dBm at 1.25MHz
2) Two Tone : -101dBm with Jammer of -43dBm at 1.25MHz & 2.05MHz
4.3.7 CDMA TX Frequency Deviation : +150Hz or less
4.3.8 CDMA TX Conducted Spurious Emissions
• less than - 54 dBc/30kHz @1.98MHz
4.3.9 CDMA Minimum TX Power Control : less than - 50dBm
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4.4 MS (Mobile Station) Transmitter Frequency
FA NO.
CH.NO.
CENTER FREQUENCY
FA NO.
CH.NO.
CENTER FREQUENCY
25
1851.25 MHz
22
600
1880.00 MHz
50
1852.50MHz
23
625
1881.25 MHz
75
1853.75 MHz
24
650
1882.50 MHz
100
1855.00 MHz
25
675
1883.75 MHz
125
1856.25 MHz
26
725
1886.25 MHz
150
1857.50 MHz
27
750
1887.50 MHz
175
1858.75 MHz
28
775
1888.75 MHz
200
1860.00 MHz
29
825
1891.25 MHz
225
1861.25 MHz
30
850
1892.50 MHz
10
250
1862.50 MHz
31
875
1893.75 MHz
11
275
1863.75 MHz
32
925
1896.25 MHz
12
325
1866.25 MHz
33
950
1897.50 MHz
13
350
1867.50 MHz
34
975
1898.75 MHz
14
375
1868.75 MHz
35
1000
1900.00 MHz
15
425
1871.25 MHz
36
1025
1901.25 MHz
16
450
1872.50 MHz
37
1050
1902.50 MHz
17
475
1873.75 MHz
38
1075
1903.75 MHz
18
500
1875.00 MHz
39
1100
1905.00 MHz
19
525
1876.25 MHz
40
1125
1906.25 MHz
20
550
1877.50 MHz
41
1150
1907.50 MHz
21
575
1878.75 MHz
42
1175
1908.75 MHz
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4.5 MS (Mobile Station) Receiver Frequency
FA NO.
CH.NO.
CENTER FREQUENCY
FA NO.
CH.NO.
CENTER FREQUENCY
25
1931.25 MHz
22
600
1960.00 MHz
50
1932.50MHz
23
625
1961.25 MHz
75
1933.75 MHz
24
650
1962.50 MHz
100
1935.00 MHz
25
675
1963.75 MHz
125
1936.25 MHz
26
725
1966.25 MHz
150
1937.50 MHz
27
750
1967.50 MHz
175
1938.75 MHz
28
775
1968.75 MHz
200
1940.00 MHz
29
825
1971.25 MHz
225
1941.25 MHz
30
850
1972.50 MHz
10
250
1942.50 MHz
31
875
1973.75 MHz
11
275
1943.75 MHz
32
925
1976.25 MHz
12
325
1946.25 MHz
33
950
1977.50 MHz
13
350
1947.50 MHz
34
975
1978.75 MHz
14
375
1948.75 MHz
35
1000
1980.00 MHz
15
425
1951.25 MHz
36
1025
1981.25 MHz
16
450
1952.50 MHz
37
1050
1982.50 MHz
17
475
1953.75 MHz
38
1075
1983.75 MHz
18
500
1955.00 MHz
39
1100
1985.00 MHz
19
525
1956.25 MHz
40
1125
1986.25 MHz
20
550
1957.50 MHz
41
1150
1987.50 MHz
21
575
1958.75 MHz
42
1175
1988.75 MHz
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
CHAPTER 2. NAM Input Method
1.INSTALLATION METHOD
HeadSet
Power
Supply
(6~12V)
6~12V
Input
UART1
i PORT
AnyDATA
UART2
ANT
Connector
IDLEBUSY SMS PWR
EAR/MIC
ANT
8 Pin to 9 Pin
Cable
COM1
1) Supply the voltage of 6~12V to 2pin Connector of the EMII-1900.
2) Connect the UART1 to PC COM1 port with the RS-232C cable.
3) Install the operating program.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
2. OPERATION METHOD
1) Run PSTDM program at Windows95 or Windows98
2) Set Buad rate to the modem…s.
3) Click [DM mode]
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4) If OK is displayed in the message box, modem is now ready for
communication with PC.
5) Click MENU BAR icon.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
SCRIPTINPUT WINDOW
6) As shown in the picture above, service file input plane will be displayed
(See if clock is running. If it isn…t, communication with PC is not activated.
Repeat step 1 through 5, or reset the power of modem and repeat step 1 through 5 )
7) Type NAM Programming script like the example shown below,

Mode offline-d
[ENTER]
nv_write name_nam {0," AnyDATA telecom "}
[ENTER]
nv_write name_nam {1," AnyDATA telecom "}
[ENTER]
Mode reset
EMII-1900 V1.0
[ENTER]
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
CHAPTER 3. Circuit Description
1. Overview
RFT3100 receives modulated digital signals from the MSM of the digital circuit and then, changes them into analog signals by
the digital/analog converter (DAC, D/A Converter) in order to create baseband signals. Created baseband signals are changed
into IF signals by RFT3100 and then, fed into the Mixer after going through AGC. IF signals that have been fed are mixed with
the signals of VCO and changed into the RF signals and then, they are amplified at the Power AMP. Finally, they are sent out
to the cell site via the antenna after going through the isolator and duplexer.
2. RF Transmit / Receive Part
2.1 CDMA Transmit End
8 bit I and Q transmit signals are inputted into 2 DACs (DIGITAL-TO-ANALOG CONVERTER) from
the output terminal I_DATA, I_DATA\, Q_DATA, Q_DATA\ of MSM through the input terminals
I_DATA, I_DATA\, Q_DATA, Q_DATA\ of RFT3100. Transmit signal input speed is two times of
TXCLK+, TXCLK- which are two transmit/receive reference frequency.
Among transmit signals being inputted, signals are inputted into I signal DAC when the transmit clock is
in the rise edge, whereas signals are inputted into Q Signal DAC during the drop edge. I and Q transmit
signals are compensated and outputted at MSM in order to compensate the 1/2 clock time difference
generated between reference clocks. In the signals coming out from the output terminal of DAC, there are
spurious frequency ingredients resulting from DAC output transition edge and parasite ingredients,
transmit clock frequencies and harmonics which are unwanted signals. Accordingly, spurious ingredients
are removed by passing the signals through LPF of passband 6.30KHz. Unlike the receive end, the
transmit end LPF requires no OFFSET adjustment. Analog baseband signals that have passed the CDMA
LPF are mixed with I and Q signals of frequency 130.38 MHz (260.76 MHz created in the RFT3100
internal VCO are divided by half into frequency 130.38MHz having the phase difference of 90 degrees) in
two mixers. The mixed signals are added again and converted into IF frequency 130.38 MHz ⥮ 630 KHz
(CDMA Spread Power Density Modulated Signals) and then, outputted.
2.2. Tx IF/Baseband Processors, RFT3100 (U102)
The RFT3100 includes digital-to-analog converters(DAC) for converting digital baseband to analog
baseband, low-pass filters, a mixer for up-converting to IF and an 85 dB dynamic range Tx AGC
amplifier. The RFT3100 has an IF mixer for upconverting analog baseband to IF, a programmable PLL
for generating Tx IF frequency, single sideband upconversion from IF to RF, two cellular and two PCS
driver amplifiers. The RFT3100 will operate over the follow Tx frequency ranges :
Cellular band 824MHz ~ 925MHz
PCS band
EMII-1900 V1.0
1750MHz ~1910MHz
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
2.3. Transmit End Bandpass Filter (F102, F103)
Transmit signals that have been converted from IF signals into RF signals after passing through the
RFT3100(U102) are inputted into the Power Amp (U103) after passing once again through RF BPF
(F101) in order to filter out noise signals amplified during the amplification of RF signals after going
through RFT3100(U102). This is carried out in order to create power level inputted to the Power AMP via
RF BPF (F101). IL of a RF BPF is 2dB as a maximum, whereas the ripple in the passing band is
2dB(maximum). The degree of the suppression of transmit signals on receive band is at least 20dB or
greater. The maximum power that can be inputted is about 25dBm.
2.4. Power Amplifier (U102)
The power amplifier U102 that can be used in the CDMA and FM mode has linear amplification
capability, whereas in the FM mode, it has a high efficiency. For higher efficiency, it is made up of one
MMIC (Monolithic Microwave Integrated Circuit) for which RF input terminal and internal interface
circuit are integrated onto one IC after going through the AlGaAs/GaAs HBT (heterojunction bipolar
transistor) process. The module of power amplifier is made up of an output end interface circuit including
this MMIC. The maximum power that can be inputted through the input terminal is +17dBm and
conversion gain is about 28dB. RF transmit signals that have been amplified through the power amplifier
are sent to the duplexer and then, sent out to the cell site through the antenna in order to prevent any
damages on circuits, that may be generated by output signals reflected from the duplexer and re-inputted
to the power amplifier output end.
2.5. Description of Frequency Synthesizer Circuit
2.5.1 Voltage Control Temperature Compensation Crystal Oscillator(TXC201, VCTCXO)
The temperature range that can be compensated by TCX201 which is the reference frequency generator of
mobile terminal is -30 ~ +80 degrees. TCX201 receives frequency tuning signals called TRK_LO_ADJ
from MSM as 0.5V~2.5V DC via R and C filters in order to generate the reference frequency of
19.68MHz and input it into the frequency synthesizer of UHF band. Frequency stability depending on
temperature is ⥮ 2.0 ppm.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
2.5.2 UHF Band Frequency Synthesizer (U202)
Reference frequency that can be inputted to U202 is 3MHz~40MHz. It is the dual mode
frequency synthesizer (PLL) that can synthesize the frequencies of RF band 50MHz~1200MHz and IF
band 20MHz~300MHz. U202 that receives the reference frequency of 19.68MHz from TCX201 creates
30kHz comparison frequency with the use of internal program and then, changes the frequency of
1750MHz band inputted from U204 which is the voltage adjustment crystal oscillator into the comparison
frequency of 30kHz at the prescaler in U202. Then, two signal differences are calculated from the internal
phase comparator. The calculated difference is inputted to DC for adjusting the frequency of U174
through U172 No.2 PIN and external loop filter in order to generate UHF signals. In addition, outputs of
other PIN17 are inputted into BBA after going through the VRACTOR diode and tank circuit so that the
outputs of BBA internal receive end VCO are adjusted to 170.76MHz.
2.5.3 Voltage Control Crystal Oscillator (U204)
U204 that generates the LO frequency (1750MHz) of mobile terminal receives the output voltage of PLL
U202 and then, generates the frequency of 1720MHz at 0.7V and the frequency of 1780MHz at 2.7V. The
control voltage sensitivity is 23MHz/v and the output level is 1dBm(maximum). Since LO frequency
signal is very important for the sensitivity of mobile terminal, it must has good spurious characteristics.
U204 is -70dBc(maximum).
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
3. Digital/Voice Processing Part
3.1 Overview
The digital/voice processing part processes the user's commands and processes all the digital and voice
signal processing in order to operate in the phone. The digital/voice processing part is made up of a
receptacle part, voice processing part, mobile station modem part, memory part, and power supply part.
3.2 Configuration
3.2.1 Voice Processing Part
The voice processing part is made up of an Integrated codec with microphone and earphone amplifiers,
two microphone inputs and one Auxiliary audio input, internal vocoder supporting 13kbps EVRC and
digital audio interface via USB. The anplifing voice signals out of MSM send to the earpiece or speaker
and signals coming out from MIC transfer to the audio processor
3.2.2 MSM (Mobile Station Modem) Part
MSM5105 is the core elements of CDMA terminal and carries out the functions of CPU, encoder,
interleaver, deinterleaver, Viterbi decoder, Mod/Demod, and vocoder.
3.2.3 Memory Part
The memory part is made up of a stacked MCP(Multi-Chip Package) Flash memory and SRAM cmos.
3.2.4 Power Supply Part
The power supply part is made up of circuits for generating various types of power, used for the
digital/voice processing part.
+4.0V from external DC(6~12V) is fed into six regulators(U601, U602, U603, U606, U607, U609). The
five regulators produces +3.0V for the Rx parts, Tx parts, Memory and MSM. The one regular produces
+2.7V ,VDD_A, VDD_C for the MSM.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
3.3 Circuit Description
Receptacle
Ringer
MSM5105
MCP(16M+
4M)
Earpiece
AUDIO
Processor
Mic
Power Supply
[Figure 3-1] Block Diagram of Digital/Voice Processing Part
3.3.1 MSM Part
MSM5105, which is U401, is the core element of CDMA system terminal that includes ARM7TDMI
microprocessor core. It is made up of a CPU, encoder, interleaver, deinterleaver, Viterbi decoder,
MOD/DEM, and vocoder. MSM5105, when operated in the CDMA mode, utilizes CHIPX8 (9.8304MHz)
as the reference clock that is received from IFR3000, and uses TCXO (19.68MHz) that is received from
TCX201. CPU controls the terminal operation. Digital voice data that have been inputted are
voice-encoded and variable-rated. Then, they are convolutionally encoded so that error detection and
correction are possible. Coded symbols are interleaved in order to cope with multi-path fading. Each data
channel is scrambled by the long code PN sequence of the user in order to ensure the confidentiality of
calls.
Moreover, binary quadrature codes are used based on Walsh functions in order to discern each channel.
Data created thus are 4-phase modulated by one pair of Pilot PN code and they are used to create I and Q
data.
When received, I and Q data are demodulated into symbols by the demodulator and then, de-interleaved
in reverse to the case of transmission. Then, the errors of data received from Viterbi decoder are detected
and corrected. They are voice decoded at the vocoder in order to output digital voice data.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
3.3.2 Memory Part
Memory part, MCP consists of 16M Flash memory and 4M static RAM.
In the MCP, there are programs used for terminal operation. The programs can be changed through down
loading after the assembling of terminals and data generated during the terminal operation are stored
temporarily and non-volatile data such as unique numbers (ESN) of terminals are stored.
3.3.3 Power Supply Part
When the input voltage (4.0V) in the DTSS-1900 is fed to the five regulators generated +3.0V and the one
regular generated +2.7V. The generated voltages are used for MSM5105, RFT3100, IFR3000 and other
LOGIC parts. PWR ASIC is operated by the control signal SLEEP/ from MSM5105 and POWER_EN
signal.
3.3.4 Logic Part
The Logic part consists of internal CPU of MSM, MCP. The MSM5105 receives TCXO (=19.68Mz)
from VC-TCXO and CHIPX8 clock signals from the IFR3000, and then controls the module during the
CDMA and the FM mode. The major components are as follows:
CPU : ARM7TDMI core
MEMORY : MCP (MB84VD21182A-85-PBS : U505)
CPU
ARM7TDMI CMOS type 16-bit microprocessor is used and CPU controls all the circuitry. For the CPU
clock, 32.768KHz is used.
MCP(16M +4M)
MCP is used to store the terminal…s program. Using the down-loading program, the program can be
changed even after the terminal is fully assembled.
SRAM is used to store the internal flag information, call processing data, and timer data.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4. Level Translator Part
4.1 EMII-1900 supply power to Modem(4.0V).
[Fig 4-1]
The Block Diagram of Source (in brief)
4.2 UART Interface
The Universal Asynchronous Receiver Transmitter (UART) communicates with serial data that
conforms the RS-232 Interface protocol. The modem provides 3.0V CMOS level outputs and 3.0V
CMOS switching input level. And all inputs have 5.0V tolerance but 3.0V or 3.3V CMOS logic
compatible signals are highly recommended.
All the control signals of the RS-232 signals are active low, but data signals of RXD, and TXD are
active high.
The UART has a 64byte transmit (TX) FIFO and a 64byte receive (RX) FIFO. The UART Features
hardware handshaking, programmable data sizes, programmable stop bits, and odd, even, no parity.
The UART operates at a 115.2kbps maximum bit rate.
4.2.1 UART Inter Pinouts
NAME
DP_DCD/
DP_RI/
DP_RTS/
DP_TXD
DP_DTR/
DP_RXD
DP_CTS/
GND
EMII-1900 V1.0
DESCRIPTION
Data Carrier Detect
Ring Indicator
Request to Send
Transmit Data
Data Terminal Ready
Receive Data
Clear to Send
Signal Ground
CHARACTERISTIC
Network connected from the modem
Output to host indicating coming call
Ready for receive from host
Output data from the modem
Host ready signal
Input data to the modem
Modem output signal
Signal ground
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4.2.2 Signal level of RXD/TXD
DTS-800
EMII-1900
+3V
+3V
SIPEX207
+4V
PC
MSM_input
Vout= 2.8V
RS232
01
03
TX
02
RX
04
MSM_output
RS232
PHONE
TX01
RX02
TX04
RX03
VMAX = 7.68V
VMAX = 6.50V
VMAX = 3.00V
VMAX = 3.9V
VMIN = -7.68V
VMIN = -6.64V
VMIN = 0V
VMIN = 0V
[Figure 4-2]
4.3
Signal Level of RXD, TXD
LED State Indication
Name
Enable
Description
D1(IDLE)
Low
Stable State
D2(BUSY)
Low
State that Data transmit and receive between DTE and DCE
D3(SMS)
Low
Shot Message Service
D4(PWR)
Low
Power ON/OFF
4.4
The function of Real Audio Test( including Voice Test)
NAME
MIC+
MICEAR
GND_A
EMII-1900 V1.0
TYPE
IS
DESCRIPSION
Microphone audio input
Ear/microphone set detect
Ear audio output
Audio ground
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
CHAPTER 4. FCC Notice
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
n Reorient or relocate the receiving antenna.
n Increase the separation between the equipment and receiver.
n Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
n Consult the dealer or an experienced radio/TV technician for help.
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
APPENDIX
1. Assembly and Disassembly Diagram
2. Block & Circuit Diagram
3. Part List
4. Component Layout
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
1. Assembly and Disassembly Diagram
DC6~12V
INPUT
RS232C
IDLE BUSY SMS
PWR
i PORT
AnyDATA
EAR-MIC
EMII-1900 V1.0
DEBUG
CDMA ANT
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
2. Block & Circuit Diagram
2.1. MODEM Block Diagram
RF Tx
SAW
SW437R
PAM
MCP
RFT3100
AB_SEL
Tx IF Tank
TX Local
TX_AGC_ADJ
19.68MHz
TX_AGC_ADJ
UHF_EN
VCO
PLL_DATA
PLL
DUPLEXER
PLL_CLK
MSM5105
TCXO
Rx IF Tank
TRK_LO_ADJ
EAR &
19.68MHz
MIC
LNA
RF Rx
SAW
Rx IF SAW
IFR
3000
60 Pin
Connector
Down Mix
32.768KHz
2.2. EMII-1900 Block Diagram
ANT
MSM5105
UART1
RS-232
MSM Inter.
CODEC
EARJACK
LDO(4V)
DTSS-1900
LDO(12V)
RF Unit
EMII-1900
EMII-1900 V1.0
AnyDATA.NET Proprietary
External PWR
(6~14V)
Application Device
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
3. Part List
3-1 DTSS-1900 Partlist
NO
COMPONENT NAME
DESCRIPTION
Lay.
DESIGN NUMBER
Q'ty
LOGIC
MSM5105-A208FBGA-TR
MSM5105 (208P)
BOT U401
IFR3000-48BCCF-TR
IFR3000 (48P)
BOT U201
RFT31003-32BCCP-TR
RFT3100 (32P)
BOT U102
MB84VD21182A-85-PBS
MCP(16M+4M)
BOT U505
MIC5245-3.0VBM5
LDO (3.0V)
TOP U601, U602, U603, U607, U609
MIC5245-2.7VBM5
LDO (2.7V)
BOT U606,
TC7SHU04FU
INVERTER
TOP U205
FDC634P
P CH-MOSFET(SSOT-6)
BOT U104
10
S-80827ALNP-EDT-T2
RESET IC
TOP U608
Q102,
Q302,
TOP
11
DTC124EE-TL
DIGITAL TR
Q303,
Q304,
Q305, Q307
BOT Q104,
12
UMC4N-TR
DIGITAL TR
TOP Q306
13
UMH2N-TN
DIGITAL TR
BOT U504
14
UPS5819
SCHOTTKY DIODE
TOP ZD601
15
B06B-4101-606
60PIN CONNECTOR
TOP CON301
TOP VD201, VD202
16
1SV281
VARACTOR DIODE
BOT VD101, VD102
17
NT732ATD683K
THERMISTOR
BOT TH201
18
F0805B3R00FW
FUSE (1608 Size)
TOP FUSE1
RI23110P
PAM
TOP U103
DFX1880J1960F
DUPLEXER(US-PCS)
TOP DUP101
B4934
RX IF SAW FILTER(5X5)
TOP FL103
B4135
RX RF SAW FILTER(3X3)
BOT FL102
LJ49A
TX RF SAW FILTER(3X3)
TOP FL101
VC_3R0A80_1750A
VCO
BOT U204
CMY212
DOWN MIXER
TOP U101
LMX2354SLBX
PLL
BOT U202
KT16-DCV30L-19.68M
VC-TCXO
TOP TCX201
RF
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
10
SSP-T6
X-TAL(32.768K-7.0PF)
BOT X401
11
BFP620
LNA
BOT Q101
12
BFP420
BUFFER AMP
BOT Q201
13
SW437
SW-437
TOP SW102
14
MCA-ST-00T
MOBLE SWITHCH
BOT SW101
0603CS-22NXG-BC
CHIP COIL(2%)
0603CS-27NXG-BC
INDUCTOR
L203
CHIP COIL(2%)
BOT L113
0603CS-39NXG-BC
CHIP COIL(2%)
TOP L106
0603CS-56NXG-BC
CHIP COIL(2%)
TOP L105
TOP L100
CI-B1005-27NSJT
IND/2.7N(+-0.3nH)
BOT L111, L112
TOP L120
BOT L110
TOP L119
BOT L201
CI-B1005-33NSJT
CI-B1005-47NSJT
TOP
IND/3.3N(+-0.3nH)
IND/4.7N(+-0.3nH)
CI-B1005-56NSJT
IND/5.6N (+-5%)
TOP L116
10
CI-B1005-101NSJT
IND/100N (+-5%)
BOT L115
11
CI-B1608-150NJJT
IND/15N (+-5%)
BOT L101
12
CI-B1608-4R7NJJT
IND/4.7N (+-5%)
BOT L103
13
CI-B1608-330NJJT
IND/33N (+-5%)
BOT L104
14
CI-B1608-560NJJT
IND/56N (+-5%)
TOP L114
15
CI-B1608-680NJJT
IND/68N (+-5%)
TOP L121
16
CI-B1608-270NJJT
IND/27N (+-5%)
BOT L117, L118
TOP BL102, BL605, BL607
17
BLM1608A601SPT
FERITE BEAD
BOT BL202, BL606
TOP C169, C186
BOT C102
CAPACITOR
GRM36COG0R5C50PT
0.5pF-1005 Cap
GRM36C0G1R0C50PT
1pF-1005 Cap
BOT C173
GRM36C0G1R5C50PT
1.5pF-1005 Cap
TOP C113
TOP C135, C145, C212
GRM36C0G2R0C50PT
2pF-1005 Cao
BOT C249
GRM36COG040D50PT
4pF-1005 Cap
TOP C133
GRM36COG0800D50PT
8pF-1005 Cap
TOP C129
GRM36COG100080J50PT
10pF-1005 Cap
BOT C107, C112, C147, C410
GRM36COG150J50PT
15pF-1005 Cap
BOT C158, C402, C403
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
GRM36C0G180J50PT
18pF-1005 Cap
10
GRM36COG220J50PT
22pF-1005 Cap
BOT C130
TOP C211, C213
BOT
11
GRM36COG240J50PT
24pF-1005 Cap
BOT C164, C165
12
GRM36COG270J50PT
27pF-1005 Cap
BOT C246
13
GRM36C0G390J50PT
39PF-1005 Cap
TOP C123, C126
14
GRM36C0G470J50PT
47pF-1005 Cap
BOT C152, C230, C231, C232,
15
GRM36C0G820J50PT
82pF-1005 Cap
BOT C146, C151,
C114, C122, C132, C417, C418,
TOP
C501
16
GRM36COG101J50PT
100pF-1005 Cap
C139,
C142, C185, C280,
BOT
C285, C288
17
GRM36COG221J50PT
220pF-1005 Cap
BOT C155, C156
TOP C127, C306, C309, C310, C311
C131, C301, C302, C303, C304,
C305, C307, C308, C312, C313,
C314, C315, C316, C317, C318,
C319, C320, C321, C322, C323,
19
GRM36COG471J50PT
470pF-1005 Cap
C324, C325, C326, C327, C328,
BOT
47
C329, C330, C331, C332, C333,
C334, C335, C336, C337, C338,
C339, C340, C341, C342, C343,
C344, C345, C346, C347, C348,
C349, C350
TOP C118, C120, C121, C451
C136, C137, C138, C141, C143,
20
GRM36X7R102K50PT
1nF-1005 Cap
BOT C144,
C166, C191, C219,
13
C243, C284, C289, C470
21
GRM36COG472J50PT
4.7nF-1005 Cap
BOT C111,
C110, C115, C128, C209, C258,
TOP C453, C455, C603, C611, C618,
14
C620, C622, C630, C641
22
GRM36COG103J50PT
10nF-1005 Cap
C205, C206, C215, C216, C220,
BOT C221, C240, C250, C283, C290,
13
C450, C460, C614
23
GRM36COG123J50PT
12nF-1005 Cap
BOT C425, C427
24
GRM36Y5V223Z25PT
22nF-1005 Cap
TOP C421
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
25
GRM36Y5V683Z25PT
EMII-1900 Service Manual Application Information
68nF-1005 Cap
BOT C420
TOP C150
C170, C259, C270, C435, C452,
TOP
C454, C514, C623
C159, C160, C218, C222, C223,
26
GRM36Y5V104Z25PT
100nF-1005 Cap
C226,
C228,
C229,
C235,
BOT C260, C265, C286, C287, C291,
23
C423, C424, C426, C428, C701,
C702
27
GRM36COG105J50PT
1uF-1005 Cap
28
GRM39COG102J50PT
1nF-1608 Cap
BOT C101, C108, C109,
TOP C253
BOT C148
29
GRM39Y5V103Z25PT
10nF-1608 Cap
BOT C281
30
GRM39Y5V104Z25PT
100nF-1608 Cap
TOP C207
TOP C214
31
GRM39Y5V224Z25PT
220nF-1608 Cap
BOT C282
32
GRM39Y5V684Z25PT
680nF-1608 Cap
BOT C149
33
TA-6R3TCMS100M-PR
Tan Cap (10uF/6.3V/P)
TOP C269, C422, C625
C124, C140, C604, C608, C612,
TOP
34
TA-6R3TCMS4R7M-PR
Tan Cap (4.7uF/6.3V/P)
C619, C621
BOT C616
35
TA-010TCR330K-A
Tan Cap (33uF/6.3V/A)
TOP C419
36
TA-010TCR101K-A
Tan Cap(100uF/6.3V/A)
TOP C125, C626
RESISTOR
R143, R100,
R156, R221,
TOP R250, R611, R702,
MCR01MZSJX000
VA601,
0W 5%-1005 Resistor
C134
BOT R140, R180, R206, R290,
MCR01MZSJX100
10W 5%-1608 Resistor
BOT L102
MCR01MZSJX100
10W 5%-1005 Resistor
BOT R103, R244
TOP R130, R280
MCR01MZSJX101
100W 5%-1005 Resistor
BOT R105, R243, R246
BOT R231, R240, R402
MCR01MZSJX331
EMII-1900 V1.0
330W 5%-1005 Resistor
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
R301, R302, R303, R308, R309,
R317, R318, R319, R320, R321,
R322, R323, R324, R325, R326,
R327, R328, R329, R340, R341,
MCR01MZSJX471
470W 5%-1005 Resistor
BOT R342, R343, R344, R345, R346,
45
R347, R348, R349, R350, R351,
R352, R353, R354, R355, R356,
R357, R358, R359, R360, R361,
R362, R363, R364, R365, R366
TOP R210, R455, R610
MCR01MZSJX102
1KW 5%-1005 Resistor
R104, R220, R223, R224, R241,
BOT
R410
MCR01MZSJX152
1.5KW 5%-1005 Resistor
TOP R421
MCR01MZSJX182
1.8KW 5%-1005 Resistor
BOT R115
MCR01MZSTX202
2KW 5%-1005 Resistor
BOT R203
10
MCR01MZSTX222
2.2KW 5%-1005 Resistor
TOP R200, R420
11
MCR01MZSJX332
3.3KW 5%-1005 Resistor
TOP R202
12
MCR01MZSJX472
4.7KW 5%-1005 Resistor
TOP R470
13
MCR01MZSJX512
5.1KW 5%-1005 Resistor
BOT R201
14
MCR01MZSJX682
6.8KW 5%-1005 Resistor
TOP R204, R205
15
MCR01MZSJX822
8.2KW 5%-1005 Resistor
BOT R209
R111, R305, R307, R311, R312,
TOP
R314, R316, R475, R701
16
MCR01MZSJX103
10KW 5%-1005 Resistor
R102, R114, R116, R207, R208,
BOT
R424, R425, R501, R502
17
MCR01MZSJX223
22KW 5%-1005 Resistor
TOP R310, R315, R313, R330
18
MCR01MZSJX273
27KW 5%-1005 Resistor
BOT R101
19
MCR01MZSJX363
36KW 5%-1005 Resistor
BOT R211
20
MCR01MZSJX104
100KW 5%-1005 Resistor
TOP R189, R253, R260
21
MCR01MZSJX154
150KW 5%-1005 Resistor
TOP R263
22
MCR01MZSJX184
180KW 5%-1005 Resistor
BOT R422, R423
23
MCR01MZSJX504
500KW 5%-1005 Resistor
BOT R427
24
MCR01MZSFX1212
12.1KW 1%-1005 Resistor
BOT R119
25
MCR01MZSFX1003
100KW 1%-1005 Resistor
TOP R222
26
MCR01MZSFX1004
1MW 1%-1005 Resistor
TOP R117, R118
DTSS-1800 V0.3 PCB
Main PCB
타
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
DTSS-1800 TOP COVER
TOP COVER
DTSS-1800 TOP FRAME
TOP FRAME
DTSS-1800 BOT COVER
BOT COVER
DTSS-1800 BOT FRAME
BOT FRAME
DTSS-1800 LABEL
LABEL
DNI
TOP R150, R107, R142, R254, R370
BOT R106, R155
RESISTOR
C168
TOP
BOT C187, C224, C352
TOP VA301, L130
CAPACITOR
타
BOT
3-2. EM Main Board Partlist
28. Jan. 2002
No
Commponent Name
Description
Lay
DESIGN NO
Vendor
LOGIC
1 SMA R/A(F)+ MCA Cable SMA(F) + MCA
TOP CDMA
LINK Tec.
2 PH127-60SMD-16H-2.0
60pin connetor
BOT CN1
SKY Elec.
3 TC7SHU04F
inverter
TOP U19
TOSHIBA
4 UMT2907A
PNP TR
TOP U14,16,17
ROHM
5 SP207-EA
Tranceiver IC
TOP U2
SIPEX
6 MIC4576BU
LDO (TO-263)
TOP U3
MICREL
7 MBRS360T3
Schottky Diode
TOP ZD1
MOTOROLA
8 657PL8
8pin Modular Housing
TOP J2
ARIN
9 BL-2141N
LED(Green)
TOP D4
BRT
10 BL-3141N
LED(Yellow)
TOP D1,D2,D3
BRT
11 HSJ1621-019011
EARJACK
TOP U15
HOSIDEN
12 53047-0310
1.25mm male 3pin
TOP CN10
MOLEX
13 5268
2.5mm male 3pin°
TOP CN2
MOLEX
14 5268
2.5mm male 2pin°
TOP J1
MOLEX
RESISTOR(1608) 0R
TOP R30,R31,R44,R45,
ROHM
RESISTOR
15 MCR03MZSJX000
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
R46,R47
R7,R8,R9,R34,R35,
16 MCR03MZSJX101
RESISTOR(1608) 100R
TOP
17 MCR03MZSJX332
RESISTOR(1608) 3.3K
TOP R1,R2,R3
ROHM
18 MCR03MZSJX472
RESISTOR(1608) 4.7K
TOP R6
ROHM
19 MCR03MZSJX103
RESISTOR(1608) 10K
TOP R5
ROHM
20 GR39COG471J50PT
470pF -1608 -capacitor
TOP C9
MURATA
21 TA-035TCMR10M-AR
TANTAL 0.1uF/35V
TOP C5,C6,C7,C8
TOWA
Elec. Cap (chip type)
TOP C1
SAMYANG
Elec. Cap (chip type)
TOP C2
RUBYCON
COIL INDUCTOR (33uH)
TOP L2
COOPER
R36,R37
ROHM
CAPACITOR
22
23
470uF/16V(10x10.5)
"MVK" 85ɐC
1000uF/6.3V(10x10.5)
"RGV"85ɐC
INDUCTOR
24 PL52C-33-1000
The Others
25 EM(II)_PCB _V0.1
EM(II)_PCB_MAIN_ V0.1
UNIC Elec.
26 EM-BODY-00
BODY
TOSUNG
27 EM-FRONT-00
FRONT
TOSUNG
28 EM-REAR-00
REAR
TOSUNG
DNI
R4,R13,R14,R15,
R16, R17,R18,R19,
29 DNI
RESISTOR
TOP R20,R21,R22,R23,
20
R24,R25,R26,R27,
R40,R41,R42,R43
30 DNI
CAPACITOR
TOP C3,C4
31 DNI
DA114
TOP D5
32 DNI
INDUCTOR
TOP L1
33 DNI
MIC5205-3.0V
TOP U4
34 DNI
TC74HC07AF(SOP-14)
TOP U6
35 DNI
TC74HC4052AFT(SOP-16)
TOP U5
36 DNI
53047-0810(8PIN)
TOP U7
37 DNI
5268(3PIN)
TOP CN3, CN4
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions
Interface Description
EMII-1900 Service Manual Application Information
4. Component Layout
EMII-1900 V1.0
AnyDATA.NET Proprietary
Use Subject to Restrictions

---

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.2
Linearized                      : No
Title                           : Microsoft Word - EMII1900_service_manual.doc
Author                          : Administrator
Creator                         : FinePrint pdfFactory
Producer                        : FinePrint pdfFactory v1.10 (Windows 2000 Korean)
Create Date                     : 2002:03:15 15:48:10
Page Count                      : 38

EXIF Metadata provided by EXIF.tools