Read LG 32LS3000 / 32LS301C (CHASSIS:LP24Q) Service Manual online
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TROUBLE SHOOTING
No power
(LED indicator off)
Check 24V, 12V, 3.5V
of Power B/D
Check short of Main B/D
or Change Power B/D
Pass
Check Output of
IC701, IC702, IC705,
IC704, IC709
Check P400 Connector
Change LED Assy
: [A] Process (for non-adapter models)
Fail
Fail
Pass
Pass
Check LED Assy
Check Output of Q720
Pass
Check short of
IC701, IC702, IC705,
IC704, IC709
Fail
Re-soldering or Change defect part
Fail
No power
(LED indicator off)
Check output of adapter
(JK700 : 24V)
Check short of Main B/D
or Change adapter
Pass
Check Output of
IC701, IC702, IC704,
IC705, IC706,IC707,IC708,
IC709,IC800
Check P400 Connector
Change LED Assy
: [A-1] Process (for adapter models)
Fail
Fail
Pass
Pass
Check LED Assy
Check Output of Q720
Pass
Check short of
IC701, IC702, IC704,
IC705, IC706,IC707,IC708,
IC709,IC800
Fail
Re-soldering or Change defect part
Fail
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