
30
5. Sound problem
No
Check the cable between the
speakers and main board is OK?
No sound or sound abnormal
Check the TV is muted, adjust the
volume or enter the menu to reset?
Reinsert the audio cable or
change the TV system
Replace the cable
Replace the speaker
Replace the main board
No
Yes
Check the speaker resistance value is in spec
(Remark: The value is marked on the speaker)?
Check the audio source connection
and the TV system are correct?
Yes
No
Yes
No
Enter factory mode to do “Reset”
No
Содержание LE32A3520/61
Страница 23: ...23 3 Remove the screws to remove MAIN BOARD and POWER BOARD 4 Remove the screws to remove BKT and AC COVER ...
Страница 24: ...24 ...
Страница 25: ...25 5 Remove the screws to remove SPEAKERS IR BOARD and KEY BOARD ...
Страница 33: ...33 6 PCB Layout 6 1 Main Board 715G4629M01000004K ...
Страница 34: ...34 6 2 Power Board 715G4697P02001003H ...
Страница 35: ...35 6 3 Key Board 715G4846K01000004S 6 4 IR Board 715G4845R01000004S ...
Страница 37: ...37 8 Block Diagram ...
Страница 38: ...38 ...
Страница 58: ...58 10 Exploded View LE32A3520 61 ...