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5 Troubleshooting
5-4 No Sound
Does the signal appear at
Pin 67 (Tuner sound signal) and Pin
57, 56 (PC sound) and Pin 51, 50 (VCR
sound) and Pin 53,54(component) of
IC53 (MSP3411G)?
Yes
Does the signal appear at Pin 27,
28 of IC53 (MSP3411G)?
Yes
Does the signal appear
at L53~L56?
Yes
Replace the speaker.
5-4
Check CN51 (PC conector)
No
and CN26(VCR connector) and
CN25(component connector).
No
Check IC32 and related circuit.
No
Check IC55 (Audio amp) and related circuit.
LS15E33C/LS17E34C
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