Troubleshooting Guide; No Power - Panasonic TC-L42U5H Service Manual

5. Troubleshooting Guide

5.1 No Power

No power (LED "Off")
Check the AC input and
the power is "ON"?
Power board output=5V?
Use RC or Key to turn on
Replace the Main board
Yes
Yes
the TV
No
No
Power "On"
No
Replace the Power board
1. RC can turn on the TV and Key can't,
replace the key board.
Yes
2. Key can turn on the TV and RC can't,
replace the RC.
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