Seven Blinks Of The Power Led (Tc-L37Dt30) - Panasonic TC-L42D30 Technical Manual

Seven Blinks of the power LED (TC-L37DT30)

Start
After power on, is
there 16V(F15V) at pin
4, 5 and 6 of
connector P2 before
shutdown?
yes
Is there
SUB3.3V at pin
7 of connector
A10 before
shutdown?
yes
Replace the A board
Disconnect
connector A10 and
using a jumper wire,
momentarily connect
pin 8 to pin 10 of the
socket.
No
Does the
unit power
up?
Yes
Replace the KA
board.
No
Replace
A board.
Jumper across
pins 8 and 10 to
simulate the
power switch
when connector
A10 is disconnected
50