Panasonic TC-PXXGT30 Technical Manual page 78

Detailed Troubleshooting
Procedure for Shorted
P15V
Reconnect P11 and measure the resistance between
pin 15 of connector P6 and ground (Chassis)
Disconnect SC20 on the SC board and reconnect P6.
Measure the resistance between pin 15 of connector P6
and ground (Chassis)
Replace the SC
board
Unplug connectors P6 and P11, on
the P board. Measure the
resistance between pin 15 of
connector P6 and ground (Chassis)
No Is there a
Yes
short
circuit?
Yes
No Is there a
short
circuit?
Yes
No Is there a
short
circuit?
From the
previous
slide (C)
Replace the P
board
Replace the SS
board
Replace the A
board
Slide 78