4
Yes
Physically disconnect the SU board and the SD
board. (See precaution # 5)
Plug in the TV and turn it on.
Does the TV
shut down and
the power LED
blink 7 times?
YesNo
Replace the Panel
and the SU board.
(See precaution #3)
Reconnect the SD board only.
(See precaution # 5)
Plug in the TV and turn it on.
YesNo
With the SU board and the SD board still
disconnected, remove connectors SC2 and
SC20 from the SC board (See precaution # 6)
Plug in the TV and turn it on.
Disconnect the SD board and
reconnect the SU board. (See
precaution # 5)
Plug in the TV and turn it on.
YesNo
Replace the Panel, SD,
and SU board.
(See precaution #3)
Replace the Panel and
the SD board.
(See precaution #3)
Replace the SC board.
(See precaution #3)
No
Replace the D board.
(See precaution #3)
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?