Sony KJ-32W7 C Series Service Manual page 67

Troubleshooting
3-3-6. No Sound : Scart Out Audio (For AEP model) for BAX-L board only
No Sound
SCART out only
BAX-L Power On checking
GN1 Main Board Power On Checking
No Checking Item
1 Check CL3103 ,CL3104.
(with audio signal input – Digital RF
mode)
2 Check IC3101 pin3
3 Check CL3100, CL3105
(with audio signal input – Digital RF
mode)
This is for Main SP got sound, but SCART out no sound.
Please check this condition in Digital RF mode
OK
Can see output audio signal
waveform
Vdc = 3.3V ± 0.3V
Can see input audio signal waveform
If  NG
NG
Cannot see audio signal Go to checking
waveform 3.2: No sound: Audio (For AEP
models only)
No 3.3V supply
Cannot see audio signal Brownie IC (IC9001) NG
waveform
Note:
(AYU2/Ayu2L) – IC9000
(Brownie)- IC9001
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