Read LG 50PG60D-SA (CHASSIS:PB82C) Service Manual online
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Power-Up Boot Fail Trouble Shooting
Check P801 All
Voltage Level (16V, 12V, 5V)
Check Power connector
OK ?
Replace Power board
Y
N
Y
Check IC801 #2 Pin / L805
Voltage Level 3.3V
Replace IC801/ L805 &
Recheck
Y
N
Check IC803 #5 Pin / L807
Voltage Level 2.6V
Replace IC803 or L807 &
Recheck
Y
N
Check C830, C853, C856
Voltage Level 1.2V
Replace IC802 or IC805 &
Recheck
Y
N
Check X200 Clock
54MHz
Replace X200
Y
N
Check R154 Clock
33MHz
Maybe BCM3553 has troubles.
Y
N
Replace IC101 Flash Memory
N
N
N
Check Micom IC407
Redownload or replace
Redownload or replace
Check Q801 Output
Voltage Level (5V)
C882, C880, C884,C885
Replace Q801
C882, C880, C884,C885 & Recheck
N
Y
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