Trouble Shooting - LG 32LM5800 Service Manual

No power
Check 24V, 12V, 3.5V
of Power B/D
Pass
Check Output of
Q403, IC407, IC401
Pass
Check LED Assy
Pass
Check P403 Connector
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Only for training and service purposes

TROUBLE SHOOTING

: [A] PROCESS
Fail Check short of Main B/D
or Change Power B/D
Fail Check short of
Q403, IC407, IC401
Check short of
IC402, IC403
Fail
Change LED Assy
- 20 -
Re-soldering or Change defect
Fail
Pass
Re-soldering or Change defect
Fail
part of Q403, IC407, IC401
part of Q403, IC407, IC401
LGE Internal Use Only