Panasonic LCD-201803 - Page 57

LDP
50FS***, 65FX6**, 75FX7**
(A+P+LDP)
A+P or A+LDP models
Troubleshooting for No Power On (Power LED is off = No blinking) -2
NG
Check if the output 16V
(SRV-16V in A board)
OK
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
Disconnect A02 connecter.
Short check the SRV-16V
In A board.
Shorted
No shorted
Replace A board
Disconnect LDP3 connecter.
Short check the SRV-16V in
P board.
Shorted
Replace P board
Replace LDP board
No shorted
< FX/FS series >
OK
P
A
16V
P2
A02
LDP3
57
P(LDP)
A
STB5V
16V
P2
A02
Both of STB5V and 16V are necessary before lighting power LED.
( refer to page 43 of “Simple Power On Sequence (FX/FS Series)” )
Replace P(LDP) board
A+P+LDP models (65FX6**, 75FX7**)
STB5V
Disconnect A10 connecter.
Power on check few times.
(because we can’t check
the power LED)
Replace K board
Power on
NG
(A+P)