LCD TV SERVICE MANUAL - diagramas.diagram...
LCD TV SERVICE MANUAL - diagramas.diagram...
LCD TV SERVICE MANUAL - diagramas.diagram...
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No power<br />
(LED indicator off)<br />
Check 24V, 12V, 5,2V<br />
of Power B/D<br />
Pass<br />
Check Output of<br />
IC1001, IC1003, IC1007<br />
Check P307 Connector<br />
No Raster<br />
Pass<br />
Pass<br />
Check LED Assy<br />
Pass<br />
Check LED status<br />
On Display Unit<br />
Pass<br />
Check Panel Link Cable<br />
Or Module<br />
Pass<br />
Check Inverter Connector<br />
Or Inverter<br />
Pass<br />
[B]: Process<br />
: [A] PROCESS<br />
Fail<br />
Fail<br />
TROUBLESHOOTING<br />
Fail<br />
Fail<br />
Fail<br />
Check short of Main B/D<br />
or Change Power B/D<br />
Check short of IC1001, IC1003, IC1007<br />
Change IC1002,, Q1003<br />
Change LED Assy<br />
Repeat A PROCESS<br />
Check Output of IC802 Change IC802<br />
Fail<br />
Pass<br />
Check LVDS Cable<br />
Fail<br />
Fail<br />
Copyright C 2009 LG Electronics. Inc. All right reserved.<br />
Only for training and service purposes<br />
- 16 -<br />
LGE Internal Use Only<br />
Pass<br />
Change Panel Link Cable<br />
Or Module<br />
Change Inverter Connector<br />
Or Inverter<br />
Change Module<br />
Fail<br />
Re-soldering or Change defect<br />
part of IC1001, IC1003, IC1007
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