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50PM6700-TK (CHASSIS:PA22A) - LG TV Service Manual (repair manual). Page 38

Read LG 50PM6700-TK (CHASSIS:PA22A) Service Manual online

Replace Power board
N
Y
Check 5V Voltage Level
at P1100
Check Power connector
Y
Check all multi voltage
(12v, 3.3v, 1.2v)
N
Check power up boot sequence
Y
Check LVDS Cable
N
Replace Cable
Y
Check PDP Module
Check 5V Voltage Level
at L1102
N
Replace one of L1102
& Recheck
Y
Check P1100 5V_ON
Check GPIO Path of  Micom
N
Y
2. No OSD Trouble Shooting
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