No Sound
Check IC5001 and peripheral circuit.
Check 9V_AUDIO, 16V power supply.
Check if the audio sig-
nal is observed at pins
10 and 21 of IC5001.
Check audio output circuit.
Check speaker, connection of the terminal “K8F”
Yes
No
Check following steps.
Check IC5041, 9V_AUDIO and peripheral circuit.
Check the Mute signal at pin 7 of IC5041. The Mute signal is output from
pin 201 of IC 301<Scaler>. The OUT_DET signal is sent from Audio Out
terminal.
Mute-On: H at pin 201 of IC301, L at pin7 of IC5041
Check if the audio sig-
nal is observed at pins 5
and 7 of IC5041.
Yes
No
- 77 -
Troubleshooting
To Next Page
Loading...
