![](/html/1c/1c54/1c548140c3c69830f119b0793d5e6dce589423e43f704d7cfb028451080686f8/bg1.png)
O
Check for C-Sync Signal
at VOR10
X
O
Check for waveform at
pin10 of VIC3
(Freg: 13.5MHz)
X
Check VIC3
or Replace
O
Check if waveform at pin 5,7.9
of VIC101 is varying when
playing VCD disc
X
Check VIC101 or
Replace
O
Check for video signal at
pin20 of VIC4
X
Check VIC4 or
Replace VIC4
O
Check for video signal at
pin7 of VIC5
X
Check VIC5
or Replace
O
Check VQ4,5
AND VCE23,24
X
Replace
Check Pattern or
SMD Type parts.
A
7. Troubleshooting (Option-DV-532KV)
• Check all connection between VCD PCB and Main PCB
• Check all supply voltage (+8V, -8V, +5V, +3.3V)
1. No Video
![](/html/1c/1c54/1c548140c3c69830f119b0793d5e6dce589423e43f704d7cfb028451080686f8/bg2.png)
2. No Sound
!!
Digital Sound (VCD1.1, VCD2.0, CD, LD Digital)
34
O
Check for 16 MHz Clock waveform
at pin4 of VIC105
Check VCW2
O
Check for voltage at pin27 of
VIC105 is OV when power
is turned on
O
Check for signal at pin1,2,3
of VIC105
O
Check for audio signal at
pin13,16 of VIC105
B
Check VCW2
See “No Video”
Replace