Panasonic TC-P42C1 - 41.6" Plasma TV, Revised Troubleshooting Handbook, Page: 55 / 71

Slide #55
8 Blinks Error Code (Full-HD Models) Flowchart
No
Yes
Yes
No
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 SS33 from the SS board. Plug in the TV and turn it on
Does the
TV power
up and
stay on?
Is there
approx. 4V at
the anode of
D280 on the
SS board?
At this point there are 2 possibilities, The SS board and the
panel. The SS board is by far the number 1 suspect.
To determine which of the 2 is causing the problem:
Disconnect the TV. Use a volt-meter and place the positive
probe on the anode of D280 on the SS board (See previous
slide for location), while the negative probe is grounded. Plug
in the TV and turn it on
Replace
the A board
Replace
the SS board
Replace
the panel
Unplug the TV and reconnect SS33. Remove the
ribbon cables from connector A31, A32, and A33
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 and SS LED
on?
Replace
the P board
No
Yes
Did the
number of
blinks
change to 6
or 7 blinks?
8 Blinks
Replace
the A board
Start Here
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.