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Troubleshooting - LG RZ-27LZ55 Service Manual

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No power
(LED indicator off)
Check 24V or 12V
of Power B/D
Pass
Check Output of
IC1300, IC4 or IC8
Pass
Check LED Assy
Pass
Check P101 Connector

TROUBLESHOOTING

:[A]Process
Check short of main B/D
or Change Power B/D
Fail
Check Output of
Change IC1300,IC4 or IC8
Fail
Change LED Assy
Fail
- 15 -
L3, L1300
Pass
Change L3, L1300
Fail
Change L808,L809
(F801,F802)
Fail

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