Panasonic LCD-201803

Troubleshooting for No Power On (Power LED is off = No blinking) -1
NG
Replace A board
Check if the output of
STB5V.
Disconnect A02 connecter.
Short check of STB5V line
in A board.
No
Shorted
Shorted
Replace P board
Replace A board
< F4 series >
OK
56
Disconnect A10 connecter.
Power on check few times.
(because we can’t check
the power LED)
Replace K board
Power on
NG