Panasonic G20 Series, Troubleshooting Handbook

Page: 40 / 62

Slide 40
SU Board Isolation Procedure
1. Remove the 2 VFG screws from the SU board.
Note: The 2 screws on the SD board should be
installed.
2. Remove SC41/SU41 and the ribbon cable
between the SU and SD boards (SU11/SD11).
Note: SC46 and SC42 should be connected
3. Install the SC50 Jig or just jump pins 1 and 2 of
connector SC50 on the SC board.
Preparation:
Disconnect AC Power prior to making any disconnection or
connection.
Wait at least 2 minutes before the removal of any connector.
Note: If the power LED continues to blink even after the TV is
unplugged, press and hold the power switch on the TV for a few
seconds until the LED turns off.
Note: Remove the jig or the jumper after
completing the isolation procedure.
Actual SC50 Jig
To isolate either the SU or the SD board individually, all
the connectors, (Except the panel flex-cables) and the
VF-GND screws on the board have to be removed.
(See the picture below)
SU board Isolation Procedure