Panasonic TH-47LFV5W - 5 Troubleshooting Guide; No Power

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5. Troubleshooting Guide
5.1 No Power
No power (LED “Off”)
Check the AC input and
the power is “ON”?
Power “On”
Power board CN903 Pin
28/30 out
p
ut=5V?
Replace the Power board
Yes
No
Yes
No
Use RC or Key to turn on
the TV
No
Yes
1. RC can turn on the TV and Key can’t,
replace the key board.
2. Key can turn on the TV and RC can’t,
re
p
lace the RC.
Replace the Main board