Troubleshooting Guide - LG 24BK550Y Service Manual

TROUBLESHOOTING GUIDE

1. NO POWER
N Y
Check Power
Replace Power
Check JP800
connector
Board
Voltage Level (12V)
OK ?
Y
N
Check IC700
Replace IC700 &
Output
Recheck
Voltage Level (5VS)
Y
N
Check IC801 Output
Replace IC801 &
Voltage Level (1.1V,
Recheck
3.3V)
Y
N
Check X100 Clock
Replace X100
14.318MHz
Y
Replace IC101
Flash Memory
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