No Sound
Symptom Video is normal but there is no sound.•
Major
checkpoints
When the speaker connectors are disconnected or damaged.•
When the sound processing part of the Main Board is not functioning.•
Speaker defect.•
Diagnostics
Power indicator LED is off.
Lamp(Backlight) on, no video ?
No
Check a set in the ‘Stand-by mode’.
Yes
Check the source and check the
connection of sound component cable?
Y, Pb, Pr
No
Input the sound source properly.
Yes
1
Check the sound date at ?
AV1, COMP1
No
Check the Component Gender.
Change the Main Assy.
Yes
2
Check the DC B13VS at ?
BD211, BD214
No
Change the Main Assy.
Yes
2
Sound data at ?
- L-, L+, R-, R+.
No
Change the Main Assy.
Yes
Check the LVDS cable?
Replace the T-con / LCD panel?
No
Please, Contact tech support.
Caution Make sure to disconnect the power before working on the IP board.
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