25
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?
Summary of Contents for L32C1120
Page 7: ...7 2 2 To Use the Menus ...
Page 8: ...8 ...
Page 9: ...9 ...
Page 10: ...10 ...
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Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 20: ...20 Step3 Remove the POWER CORD Step4 Remove the MAIN BOARD POWER BOARD and SPEAKERS ...
Page 29: ...29 6 PCB Layout 6 1 Main Board 715G3269M01001005K ...
Page 30: ...30 ...
Page 31: ...31 6 2 Power Board 715G3770P02W20003S ...
Page 32: ...32 ...
Page 33: ...33 ...
Page 34: ...34 6 3 LED Board 715G4252T02000004S 6 4 Key Board 715G4234K02000004S ...