32"&42"&50"LCD TV
2. Can't start
Check the power key is under control?
Check the IR receiver is normal?
Best Buy LC-32LB261U- LC-42LB261U- LC-50LB261U
Can't start(LED red)
Power board output=12,19.5V?
Yes
No
No
Replace the main board
No
Replace the Power board
No
Replace the power board
Yes
Replace the key board
Yes
Replace the IR board
19