Read LG 32LN549C / 32LN549E (CHASSIS:LJ3AC) Service Manual online
- 16 -
TROUBLE SHOOTING
Power-Up Boot Fail Trouble Shooting
Check P1201 All
Voltage Level (5V, 12V, 16V)
Check Power connector
OK ?
Replace Power board
Y
N
Y
Check Q706 OUT
Voltage Level 3.3V
Replace Q706
Recheck
Y
N
Check
IC706(3.3V),IC705(3.3V),IC7
09(2.6) ,IC710(1.25V) OUT
Voltage Level
Replace
IC706,IC705,IC709,IC710
Recheck
N
Y
Check X100 Clock
12MHz
Replace X100
Y
N
Replace IC105 Flash
Memory
N
N
Redownload or replace
Flash Memory IC105
Click on the first or last page to see other 32LN549C / 32LN549E (CHASSIS:LJ3AC) service manuals if exist.