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5. RGB Video Trouble Shooting
Check input signal format
Is it supported?
Check signal , Hsync, Vsync
(R673, R674)
Replace R6 73, R674
Check signal RGB
(R119, R104, R105
C121,C122,C119)
Y
N
Check J K607
Replace JK607
Y
N
Y
Replace R119, R104, R105,
C121,C122,C119
N
IC101 has problem
Y
Check RGB Cable connector
for damage
Y
Wave orm of R673(Vsync)
Waveform of R673(Vsync)
Waveform of R104/C121
Waveform of R105/C122
Waveform of R119/C119
The Waveforms depend on input signal
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