No Sound - Sanyo Plc-WXU300 Service Manual
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Also See for Plc-WXU300:
- Specifications (2 pages) ,
- Dimensional drawing (1 page) ,
- Technical information (1 page)
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Troubleshooting
No Sound
Check following steps.
check if the audio signal
is observed at pins 7 and
15 of Ic5001.
Yes
check if the audio signal
is observed at pins 15
and 22 of Ic001.
Yes
Check audio output circuit.
Check speaker, connection of the terminal "K8F" .
No
Check IC5001 and peripheral circuit.
Check 1V power supply.
No
Check IC001 and peripheral circuit.
Check 1_AMP power supply(IC5601).
Check the Mute signal at pin 5 of Q5035. The Mute signal is output from
pin 350 of IC 301<Scaler>. The OUT_DET signal is sent from Audio Out
terminal.
Mute-On: H at pin 350 of IC301.
-65-
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