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4-1-6. No Sound
Symptom
Audio is normal but no picture is displayed on the screen.
-
Check the RF Source
-
Major
Check the SEMS01
-
checkpoints
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
Diagnostics
1
2
3
Caution
Make sure to disconnect the power before working on the SMPS/IP.
Picture is display, no sound.
Yes
Does the signal appear at C2058~65?
Yes
Does the signal appear at #3,#13 of
IC2002?
Yes
Does the signal appear at
BD2006~9?
Yes
Replace the speaker ass'y?
Connect a sound cable.
No
control a volume.
No
Check sound cables of each source,
and a connection harness.
Check IC2002.
No
Change a main PCB ass'y.
No
Change a main PCB ass'y.
4. Troubleshooting
4-11
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