LCD TV SERVICE MANUAL - Jordans Manuals
LCD TV SERVICE MANUAL - Jordans Manuals
LCD TV SERVICE MANUAL - Jordans Manuals
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
<strong>LCD</strong> <strong>TV</strong> Symptom<br />
No OSD<br />
Making<br />
Revision<br />
2009. 2 . 1<br />
2/25<br />
P800 Pin #13, 14 = 12V<br />
P800 Pin #17, 18 = 24V ?<br />
YES<br />
NO<br />
Check Power connector<br />
OK ?<br />
YES<br />
Replace Power Board<br />
P800 Pin #20<br />
Voltage level = 2V ↑<br />
YES<br />
NO<br />
Replace MAIN B’D Q802<br />
MAIN B’D L810 = 12V ?<br />
YES<br />
NO<br />
Replace MAIN B’D Q805<br />
Check LVDS Cable<br />
OK ?<br />
NO<br />
YES<br />
Replace Main Board<br />
Replace LVDS Cable<br />
Copyright c 2009 LG Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
LGE Internal Use Only
Change language