KLV-40/46/55X450A (E, GE) 20
STBY-LED
6 times blinking
CN6702 2pin
Is Dimmer signal normal?
Yes
CN6702 3pin
more than 3V?
Yes
No
No
Signal board has problem.
Check signal-board
Signal board has problem.
Check signal-board
D4 board has problem.
Change D4 board.
STBY-LED
13 times blinking
CN6701 6,7pin
less than 1V?
Yes
No
Panel has problem.
Check Panel
D4 board may have problem.
Change D4 board.
Signal board h
as problem.
Check signal-
board
Picture OK?
No
D4 board is no problem.
Change back PS board.
2) D4 Board check
Yes
D4 board has broken
Back-Light on
DIMMER
LD-signal
www.freeservicemanuals.info
10/30/2018
Digitized in Heiloo the Netherlands
Not for sale!
