![background image](http://html.mh-extra.com/html/haier/l42c1180/l42c1180_service-manual_136944027.webp)
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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 L42C1180
Страница 7: ...7 2 2 To Use the Menus ...
Страница 8: ...8 ...
Страница 9: ...9 ...
Страница 10: ...10 ...
Страница 11: ...11 ...
Страница 12: ...12 ...
Страница 13: ...13 ...
Страница 14: ...14 ...
Страница 19: ...19 4 Mechanical Instructions Step1 Remove the REAR COVER and BASE Step2 Remove the BKT ...
Страница 20: ...20 Step3 Remove the BKT Step4 Separate the INVERTER BOARD ...
Страница 21: ...21 Step5 Remove the MAIN BOARD and POWER BOARD Step6 Separate the BEZEL and PANEL ...
Страница 22: ...22 Step7 Remove the LED BAORD IR BOARD KEY BOARD and SPEAKERS ...
Страница 30: ...30 6 PCB Layout 6 1 Main Board 715G3269M01001005K ...
Страница 31: ...31 ...
Страница 32: ...32 6 2 Power Board 715G3760P01W20003M ...
Страница 33: ...33 ...
Страница 34: ...34 ...
Страница 35: ...35 715G3967P01000003S ...
Страница 36: ...36 715G3966P01000003H ...
Страница 37: ...37 6 3 LED Board 715G4252T02000004S 6 4 Key Board 715G4234K02000004S ...
Страница 38: ...38 6 5 IR Board 715G4247R02000004S ...