Detailed Troubleshooting Procedure For Shorted Vsus - Panasonic G20 Series Troubleshooting Handbook

Detailed Troubleshooting Procedure for Shorted Vsus

See the picture on page 10 for
connector's location
Measure the resistance between pin1
of connector SC2 on the SC board
and ground (Chassis).
Replace the SS
board
Replace the SC
board
Note:
Start Here
Unplug connectors P2 and P11, on
the P board. Measure the
resistance between pin 1 of
connector P2 and ground (Chassis)
No
Is there a
circuit?
No Is there a
circuit?
No Is there a
circuit?
Perform firmware upgrade after replacing the SC or SS boards
Yes
short
Yes
Measure the resistance between pin1
short
Yes
short
Replace the P
board
of connector SS11 on the SS board
and ground (Chassis).
Replace the SC
and SS boards
Slide 12