LG PT-53A80 - Power On Issues

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6. NO POWER ON
6.1 MICOM PART CHECK
Check input voltage of
IC001#9,11,13,30,37,42,44
Check SMPS Board
Check IC001 #34,35
(OSC)
Replace X001
YES
NO
NO
Check IC001 #3, 4 (SCL,SDA)
NO
Replace Q003, Q004
Check IC001 #46 (ABN)
Check Abnormnal Circuit
Check IC001 #24 ( IR ),
#47~52 (Key In)
Check P004AP connector
YEs
YES
HIGH
LOW
NO
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