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Fast access, 100% correct and complete service manual
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just what i was seeking .had a password issue but the review allowed me to circumvent and download was great
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Great manual, great price. Has a few of the basic operating instructions that most service manuals leave out. Complete instructions for disassembling board by board, safety precautions, schematics, complete parts list.
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I am very pleased with the service manual for my RT-909. This was an easy purchase and great procuct, and much cheaper than other venues i had looked at. This web site is now listed in my favorites list. KEEP UP THE GOOD WORK. THANKS. J. BROWN
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A very well written and easy to understand manual.
4 Troubleshooting
CONFIDENTIAL
Check signal cable and connection.
4-1-3 No Video [Digital]
Does the video signal appear at the Pin 48, 47, 46, 45, 42, 41, 40, 39, 38, and 37of IC401? 9 8 7 6 5 Yes Is collector (BKLT-EN) of Q108 High? No Check IC301 and related circuit. No Does the input signal appear at Pin 27, 28, 30, and 31 of IC401 and IC402 (DHS,DVS,DEN,DCLK)?
12 4 3 2 1
Yes
Check TFT-LCD panel and Inverter.
Yes
Replace IC401 and IC402.
Does the signals appear at R301, R302,
13 14 15
No Check PC Signal.
R303,R304, R305, R306, R307, and R308? Yes During power on-off, does the input signal appear at Pin 14, 15, 17, 18, 20, 21 of IC521? (HCLK,HFS,HDATA(0),HDATA(1),HDATA(2),HDATA(3)) Yes Does the video signal appear at the output port? No Check IC301 and related circuit. No Check IC521 and related circuit.
WAVEFORMS
1
2
3
GH17B*
4-3
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