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5 Troubleshooting
5-4 No Sound (RF, PC, Video, Component)
Does the signal appear at
Pin 47, 48, 50, 51, 53, 54, 56,
57 and 67 of IC503?
Yes
Check Pin 10 and 13 of IC504?
Yes
Does the signal appear at
L502, L503, L504 and L505?
Yes
29":Check Speaker and CN2.
40":Check Speaker and CN2.
5-4
No
Check IC503 and related circuit.
No
Check IC504 and related circuit Q501.
No
Replace L502, L503, L504 and L505.
CONFIDENTIAL
LTM295W/LTM405W
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