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TFT- LCD TV SERVICE MANUAL
Safety instructions 1
Technical specifications 2
Power rating and Panel Specifications 3
Remote control explanations 4
Service Menu of the TV 5
Set appearrances 9
Block diagram of the VCTI 10
Block diagram of Microcontroller (Genesis) 11
Block diagram of power supply 12
Data sheet of important IC's 14
Service mode items and explanations 12
Replacement part List 23
Frequency list of channels 28
1. Always use the manufacturer's replacement safety
components. The critical safety components marked 5 High temperature & high humidity
with on the schematics diagrams should not be reduce the life-time.
by other substitutes. Other substitute may create the LCD is not proper to be used at high temperature
electrical shock , fire or other hazards. Take and high humidity. Please keep specified
attention to replace the spacers with the originals. temperature and humidity condition.
Furthermore where a short circuit has occurred ,
replace those components that indicate evidence of 6- Keep out of Corrosive Gas.
Corrosive gas effect the polarizer and the circuit
2. After servicing , see that all the protective devices chemically and cause defects accordingly.
such as insulation barriers, insulation papers, shields
and isolation R-C combinations are correctly 7 - Electrostatic discharge can make
3. When the receiver is not being used for a long time
of period of time , unplug the power cord of the There are electro-static sensitive components such
Adaptor from the AC outlet. as CMOS in LCD Module. Please earth human
body when handle the LCD.In addition, please do
not touch the interface connector pin with bare.
Color TFT LCD Module is very sensitive
both electrically and physically.Users,
therefore, are requested to follow the 8- Do not operate for a long time under
the same pattern
"Guidance of handling color TFT LCD
Module"on the followings.
Operating LCD for a long time under the same
pattern can cause image persistence and can
1- Be careful not to make scratch on the damage it. Please follow following guidance.
polarizer. 1. Turn the power off when do not use.
Surface of polarizer is soft and can be physically 2. Change the pattern periodically.
Please do not touch, push or rub polarizer surface
with materials over HB hardness.
2- Keep clean the surface.
Please wear rubber glove when touch the surface of
LCD screen. Please use soft and anti-static material
3- Keep out of water.
Water on/in the LCD may cause electrical short or
corrosion. Please wipe out dry or water carefully.
4- Prevent swift Temperature &
Instantaneous temperature and/or humidity change
can make dew or ice which cause nonconformance
such as malfunction.
Receiving System PAL B/G+I+D/K SECAM L/L'
Tuning System PLL FST
Comb Filter Adaptive 4H\2H
LTI, CTI Filters Optional
Sync On Green (SOG) support on graphics YES
Scaling Upto SXGA at 75Hz
Stereo Decoding (German A2, Nicam, BTSC) German A2, Nicam
Virtual Dolby Optional
YPbPr In (Progressive) Through D-sub 15 conn. Optional
Number of speakers 2 (L+R)
Level (1.5, 2.5, Teleweb) Teletext 1.5
No Text- Optional
Type Fast Text -Optional
Teletext Top Text&Fast-Default
List Mode Optional
Page Memory 10p
ENGLISH, DEUTSCH, DUTCH, FRANCAIS,
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