4. Troubleshooting
■ No Sound
Symptom
•
Video is normal but there is no sound.
Major Checklist
•
When the speaker connectors are disconnected or damaged.
•
When the sound processing part of the Main Board is not functioning.
•
Speaker defect.
•
SMPS not supplying voltage to the main board.
Diagnostics
Speaker Cable
Speaker
CN801
<Rear view of 43">
Speaker Cable
Speaker
CN801
<Rear view of 51">
4-6
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