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Upgrade Software & Repair Chart
5.
5.3.6 No Video Out Upon Power ON (Assume set is not dead)
NOTE: To verify that the set is not dead, you should be able to do the following.
1. See on the Front Display the words “Ch001” after the required boot up time has
elapsed
2. Eject the tray and Close the tray
NOTE2: To debug this section, playback a 75% Color Bar title
Check Digital Board Waveform at testpoints
CVBS T524
Y T522
C T523
GY T520
BPb T518
RPr T521
Replace Digital Board
Check Analog Board waveform at testpoints
CVBS F235
C F236
Y F237
D-VR F238
D_YG F239
D_UB F240
OK
NOK
NOK
OK
Replace FFC cable on
connector 1205 (analog board)
NOK
Check Analog Board waveform at test points
D_YG F213
D_UB F214
D_VR F215
Y F219
C F220
CVBS F222
Replace corresponding
transistors (7200, 7201, 7202,
7203, 7204, 7205)