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