Panasonic TH-42PZ80U

Yes
Yes
No
Replace the SU
board.
YesNo
YesNo
Replace the SD, and SU
board.
Replace the SD board.
Replace the SC board.
No
Replace the D board.
Reconnect the SD board only.
(See instructions on previous slide).
Plug in the TV and turn it on.
Physically disconnect the SU board and the
SD board. (See instructions on previous
slide). Plug in the TV and turn it on.
With the SU board and the SD board
still disconnected, remove connectors
SC2 and SC20 from the SC board.
Plug in the TV and turn it on.
Disconnect the SD board and
reconnect the SU board. (See
instructions on previous slide).
Plug in the TV and turn it on.
Does the
TV shut down
and the power
LED
blink 7 times?
Does the
TV shut down
and the power
LED
blink 7 times?
Does the
TV shut down
and the power
LED
blink 7 times?
Does the
TV shut down
and the power
LED
blink 7 times?
21
LED blinks 7 times
Trouble Mode
SC Floating voltage SOS
Defective Board (possibility)
SC, SU, SD, D, P board (SC,SU,SD>P)
Make sure connectors P2/SC2, SC20/D20 are
not loose and are seated properly.
Note: The panel can
possibly cause the SU
board to become
damaged
Note: The panel can
possibly cause the SD
board to become damaged
Note: The panel can possibly
cause the SD and SU boards
to become damaged