P800 Pin #20
Voltage level = 2V
Check Power connector
OK ? Replace Power Board
YES NO YES
NO
YES
Replace MAIN B’D Q802
MAIN B’D L1300 = 12V ? Replace MAIN B’D Q806
NO
Replace Main Board
YES
P800 Pin #13, 14 = 12V
P800 Pin #17, 18 = 24V ?
Check LVDS Cable
OK ? YES
Replace LVDS Cable
NO
Making
Revision
2009. 2 . 1
LCD TV Symptom No OSD
26~42LH2000
32~47LH3000/LH4000
3/34
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