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5 Troubleshooting
5-5 No Picture (DTV)
Power inductor is green.
Yes
29":Does the signal appear at
Pin 16, 18 and 20 of CN103?
40":Does the signal appear at
Pin 16, 18 and 20 of CN3?
Yes
Dose the signal appear at
Pin 15, 19 and 21 of IC403?
Yes
Dose the signal appear at
Pin 43, 48 and 54 of IC404?
Yes
Check IC801 and related circuit.
LTM295W/LTM405W
No
Check related circuit and
input signal of connector.
No
Check IC403 and related circuit.
No
Check IC404 and related circuit.
CONFIDENTIAL
5-5
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