Led Blinks 10 Times After Pressing The Power Button; Sub 5V Sos, Main 3.3V Sos, Dtv9V - Panasonic TH-42PZ80U Technical Manual

LED blinks 10 times after pressing the power button

Trouble Mode
SUB 5V SOS, Main 3.3V SOS
DTV 9V SOS, Tuner Power SOS
Disconnect connectors SC2 and SC20 on the
Scan (SC) board. Plug in the TV and turn it on.
No
Does the unit shut
down and the
power LED blinks
Replace
The SC board
Unplug the TV and re-connect CN SS11 (*2),
SS33 and CN SS34 on the SS board and CN
P12 on the P board. Measure Vsus
1 of CN P11 and Vda (Approx. 75V) at pin 1 of
CN P12. Plug in the TV and turn it on.
Note: CN = Connector
Defective Board
P, A, SC,SS, GS, G Board
Yes
10 times?
(*3) at pin
No
Replace
The A board
Unplug the TV and re-connect CN
on the SC board. Disconnect CN SS11(*2), SS33, and
SS34 (*4) on the SS board and CN P12 of the P board.
Install the jumper from SS34 between pin 8 and 10 of
CN P12. Plug in the TV and turn it on.
No
Does the power
LED stay on
when the TV is
turned on?
Are
Yes
any of these
voltages
missing?
Replace
The P board
28
Warning: Disconnect AC Power prior to making any
disconnection or connection
(*2) CAUTION: Before connecting P2/SC2 or
P11/SS11, discharge is necessary to prevent
potential shock caused by VSUS.
(*3) VSUS about 180V (Accurate voltage is provided
on the Panel Label)
(*4) Place a jumper across pin 8 and 10 of connector
P12. The unit will not enter the standby mode without
the jumper.
SC2(*2), and SC20
Yes
Replace
The SS board