Led Blinks 10 Times After Pressing The Power Button - Panasonic TH-42PX75U Technical Manual

LED blinks 10 times after pressing the power button

<Trouble Mode and Defective Board>
Trouble Mode
SUB 5V SOS, Main 3.3V SOS
DTV 9V SOS, Tuner Power SOS
<How to find the defective board(s)>
Disconnect connectors A5, A6, and A7 on the A board and plug
the TV into the AC line.
Does the TV turn on by
itself with a white screen
and the power LED is off?
No
Unplug the TV and re-connect CN SC2(*1),
and SC20 of the SC board. Disconnect CN
SS11(*1), SS23(*2), and SS34 of the SS
board and CN P12 of the P board. Install the
jumper from SS34 between pin 8 and 10 of
CN P12. Plug the unit in.
Note: CN = Connector
Defective Board
P, A, SC,SS Board
A Board
Yes
No
No
P Board
Unplug the TV and connect CN A5,
CN A6, and CN A7. Disconnect CN
SC2(*1), and SC20 of the SC board.
Plug the unit in.
Does the power LED
stay on when the TV is
turned on?
Does the power LED stay on when
the TV is turned on?
19
Warning: Disconnect AC Power prior to
making any disconnection or
connection.
(*1) = To avoid potential
shock from the VSUS voltage,
discharge the connectors
SC2 or SS11 before
reconnecting them into their
respective socket.
(*2) = The reference number
of the sustain data
connector is different in
some of the models:
TH-42PX75U = SS23
TH-42PX77U = SS23
TH-50PX75U = SS33
TH-50PX77U = SS33
Yes
SC
Board
Yes
SS Board