Troubleshooting 2 Blinks Failure (2 Of 2) - Panasonic G20 Series Troubleshooting Handbook

Troubleshooting 2 Blinks Failure (2 of 2)

Blink
Code
Most Common
2 SC
This part can possibly cause this error code and
it has been confirmed to cause this symptom.
Follow the procedure on slide 8 to check the Vsus, Vda, and P15V for short circuit or low resistance reading.
Unplug the TV and disconnect SC20
on the SC board. Plug in the TV and
turn the power on
Replace the SC
6 Blinks
board
Replace the P
board
List of boards likely to cause this symptom. (Based on reports and circuit operation).
nd
2
P
See the picture on page 10 for connector's location
No
How many times
is the power LED
blinking?
No
Note: Perform firmware upgrade after replacing the SC or SS boards
rd th
3 4
SS A
This part can possibly cause this error code, but there has
not been any reports of this part causing this symptom.
Start Here
No
Yes
Is there a short
Yes
circuit of the
Vsus, Vda, or
P15V?
2 Blinks
Is there Yes
15V
present?
th th
5 6
Follow the
procedure on
slides 9~16
Unplug the TV. Get ready
to measure the voltage at
pin 1 of connector P6 on
the power supply. Plug in
the TV and turn it on.
Replace the A
board
Slide 21
th
7