Troubleshooting - LG 42LG30 Service Manual
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Also See for 42LG30:
- Owner's manual (152 pages) ,
- Manual (42 pages) ,
- Specification (2 pages)
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Power-Up Boot Fail
Check P700 All
Voltage Level (5V, 12V, 16V)
Y
Check Q706 Output
Voltage Level (12V or 5V)
Y
Check IC704 #2 Pin
Voltage Level 2.6V
Y
Check X100 Clock
12MHz
Y
Replace IC103 Flash Memory
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LG Electronics. Inc. All right reserved.
Only for training and service purposes
TROUBLESHOOTING
Check Power connector
N
OK ?
N
Replace Q706 & Recheck
Replace IC704 &
N
Recheck
N
Replace X100
- 15 -
Y
Replace Power board
LGE Internal Use Only
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