Panasonic television User Manual

Troubleshooting (No Power/Dead Unit) Part 1

Do the AC relays

click after the TV  is plugged

into the AC line?

Is there

2.5V at pin 20 of connector 

D5 when the power button is 

pressed?

Is there 3.2V at 

pin 11 of connector P25 when the power 

button is pressed?

Does

pin 5 of connector

A1 momentarily go from

4.5V to 0V when the 

power button is 

pressed?

Is 

there 

5V 

at 

pin 5 of connector A7 when the 

TV is  plugged into 

the AC line?

Unplug the TV.

Disconnect 

connector A7.

Does the TV turn on by itself 

with no picture and lit LEDs on the

SS & SC boards when it is

plugged into the AC

line?

Check connections 

and  the S & K boards

Replace

The A board

Replace

The D board

Replace

The P board

Replace

The P board

Replace

The A board

Go to the 
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Yes

Yes

Yes

Yes

Yes

Yes

NO

NO

NO

NO

NO

NO