Led Blinks 7 Times; Sc Floating Voltage Sos - Panasonic TH-42PZ80U Technical Manual

Trouble Mode

SC Floating voltage SOS

Make sure connectors P2/SC2, SC20/D20 are
not loose and are seated properly.
Reconnect the SD board only.
(See instructions on previous slide).
Plug in the TV and turn it on.
Does the
No
TV shut down
and the power
LED
blink 7 times?
Replace the SU
board.
Note: The panel can
possibly cause the SU
board to become
damaged
Replace the SD board.
Note: The panel can
possibly cause the SD
board to become damaged

LED blinks 7 times

Defective Board (possibility)
SC, SU, SD, D, P board (SC,SU,SD>P)
No
Yes
Disconnect the SD board and
reconnect the SU board. (See
instructions on previous slide).
Plug in the TV and turn it on.
Does the
No
TV shut down
and the power
LED
blink 7 times?
Physically disconnect the SU board and the
SD board. (See instructions on previous
slide). Plug in the TV and turn it on.
Does the
Yes
TV shut down
and the power
LED
blink 7 times?
Replace the SC board.
Yes
Replace the SD, and SU
board.
Note: The panel can possibly
cause the SD and SU boards
to become damaged
21
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.
Does the
No
TV shut down
and the power
LED
blink 7 times?
Replace the D board.
Yes