26
4. No display
Check the B/L
signal is available?
Replace main board
Replace the power board
Panel Vcc = 12V?
Replace the Panel
No display (LED white)
Replace the main board
Check the backlight is
“On”?
Check the LVDS cable
Reinsert or replace the
LVDS cable
Replace the main board
Replace the Panel
No
Yes
Yes
No
Yes
No
No
Yes
Yes
No
Yes
No
Power board output
=
24V?
Check TV is under control and power
on/off by remote control and power key?
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 ...