Samsung PS43E450A1WXZG Service Manual page 36

4. Troubleshooting
■ No Sound
Symptom
Major Checklist
Diagnostics
Video is normal but there is no sound.
•
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.
Speaker
<Rear view of 43">
Speaker
<Rear view of 51">
CN801
Speaker Cable
CN801
Speaker Cable