Panasonic Viera TC-P42X1, Revised Troubleshooting Handbook

Page: 52 / 71

Slide #52
8 Blinks Error Code (HD Models) Flowchart
No Yes
Verify that all the flex-cables between the panel and the SS/SS2 boards are properly seated and the connectors are
properly locked. Unplug the TV and disconnect connector SS23 from the SS board. Plug in the TV and turn it on
Does the
TV power
up and
stay on?
Replace
the A board
Unplug the TV and reconnect SS23. Remove the
ribbon cables from connector A31, A32, and A20
on the A board. Plug in the TV and turn it on
No
Yes
Does the TV
power up and
stay on with the
SC LED on?
Replace
the P board
Note:
Before replacing the panel,
double check all the flex-cables between
the panel and the SS/SS2 boards.
Make sure they are properly seated and
that the connectors are properly locked.
Unplug the TV and reconnect SS23. Use a volt-meter and place
the positive probe on the anode of D285 on the SS board (See
previous slide for location), while the negative probe is grounded.
Yes No
Is there
approx. 7.2V
at the anode
of D285 on
the SS
board?
Replace
the panel
Replace
SS board
LIST OF MODELS: TC-P42X1 TC-P42C1 TC-42PX14 TC-P50X1 TC-P50C1 TC-50PX14
No
Yes
Did the
number of
blinks
change to 6
or 7 blinks?
Replace
the A board
8 blinks
Start Here
CAUTION: The TV power should not be turned on while
SC2 is disconnected. This could damage the SS board.
If the power LED continues to blink even after the TV is unplugged, press and hold the power
switch on the TV for a few seconds until the LED turns off.