Troubleshooting No Power/Dead Unit - Panasonic G20 Series Troubleshooting Handbook

Yes
Is there 5V present
when the TV is plugged into
the AC line?
Unplug the TV and
disconnect A1 on the A
board. Plug in the TV
do not turn the power on
NO
Do the relays click now?
Replace
the A board

Troubleshooting No Power/Dead Unit

Unplug the TV and place your
volt-meter on pin 1 of
connector P7. Plug in the TV
But do not turn the power on
NO
Replace
The P board.
(Check the AC Cord)
but
Yes
The K board (Check
Wires between A1
Start Here
Plug in the TV.
Do not turn the power on
NO
Do the AC relays
click after the TV is plugged
into the AC line?
Unplug the TV and
disconnect A1 on the A
board. Plug in the TV
and turn the power on
Yes
Is the TV turning On
Replace
and K1)
Yes
Unplug the TV and place your volt-meter
on pin 7 of connector P7. Plug in the TV
and press the power switch
Is there 3.2V
NO
present when
the power
button is
pressed?
NO
Replace
Replace
The P board
the A board
Slide 59
Yes