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5-3 No Picture (TV, Video, S-Video)
Check Pin 55, 56 (S-Video)
and Pin 52 (VCR) and Pin 74
and Pin 53 (RF-CVBS)
of IC401 (VSP9407).
Yes
Does the signal appear at
RA33, RA34, RA311, RA312?
Yes
Does signal appear at
<RA35~RA39, RA310>15"
<RA35~RA39, RA310, RA313~RA318>17"
of related IC32?
Yes
Check IC61, 62 and
<R611, R612, ~R620>15"
<R611, R612, ~R620, R61~R69, R610>17".
LW15E33C/LW17E34C
No
Check CN41 (Tuner) and
CN26 (VCR connector).
No
Check IC401 (VSP9407)
and related circuit.
No
Check IC32 and related circuit .
5 Troubleshooting
5-3
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