Read LG 42LC5DC (CHASSIS:LA65A) Service Manual online
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TROUBLESHOOTING
Power-Up Boot Fail Trouble Shooting
Check P1100, P1101 All
Voltage Level (19V, 12V, 6V,
3.3V)
Check Power connector
OK ?
Replace Power board
Y
N
Y
Check IC1106, IC1100 #2 Pin
Voltage Level 3.3V
Replace IC1100, IC1106
Recheck
Y
N
Check IC1110 #4 Pin
Voltage Level 2.5V
Replace IC1110
Recheck
Y
N
Check IC1105 #8 Pin
Voltage Level 1.8V
Replace IC1105
Recheck
Y
N
Check X501 Clock
19.6608MHz
Replace X501
Y
N
Replace IC600 Flash Memory
N
N
N
Check Micom IC506
Redownload or replace
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