22
4. Sound problem
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
No
Check the cable between the
speakers and main board is ok?
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
No
Yes
Содержание LE32W157
Страница 4: ...4 1 General Specification Note For this content pls refer to the user manual ...
Страница 5: ...5 2 Operating Instructions Note For this content pls refer to the user manual ...
Страница 11: ...11 5 Remove the MAIN POWER BOARD and BRACKET AC IN BRACKET BKT_SIDE BRACKET BKT_IO_BTM ...
Страница 12: ...12 6 Remove the BRACKET PANEL HOLDER and INSULATING SHEET 7 The PANEL INSULATING SHEET ...
Страница 13: ...13 8 The BEZEL ...
Страница 18: ...18 8 The PANEL and BEZEL separate the PANEL from BEZEL 9 The BEZEL ...
Страница 25: ...25 6 PCB Layout 6 1 Main Board 715G4727M0D000005K ...
Страница 26: ...26 ...
Страница 27: ...27 ...
Страница 28: ...28 6 2 Power Board LE32W157 715G4500P01W30003S ...
Страница 29: ...29 ...
Страница 30: ...30 ...
Страница 31: ...31 LE40H157 715G4581P01W30003H ...
Страница 32: ...32 ...
Страница 33: ...33 ...
Страница 34: ...34 6 3 Key Board 715G4682K0C000004S ...
Страница 35: ...35 6 4 IR Board 715G4650R01001005I ...
Страница 36: ...36 7 Adjustment It s no need ADC and WB adjustment for the two models ...
Страница 65: ...65 9 3 Key Board 715G4682K0C000004S ...
Страница 67: ...67 10 Exploded View LE32W157 ...
Страница 69: ...69 LE40H157 ...