LG M237WD - VCR SETUP

Copyright LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
C
2009
- 15 -
TROUBLESHOOTING
1. Power- Up Boot Fail Trouble Shooting
Check P700 All
Voltage Level (5V, 15V)
Check Pow er con nector
OK ?
Replace Power board
Y
N
Check IC705 #2 Pin
Voltage Level 3.3V
Replace IC705 &
Recheck
Y
N
Check X101 Clock
12MHz
Replace X101
Y
N
Replace IC106 Flash
Memory
Check Q702 Outp ut
Voltage Level (5V)
Replace Q702
N
Y
Wave form of X101
N