Panasonic TC-P55VT60 Technical Troubleshooting Manual page 58

Using any of the VFG screws (Floating ground screws) on the SU or
SD board as ground, measure the resistance of both test points:
VF5V (SRV – VF5V) and VFO (SRV – VFO) on the SU board.
(See the picture below.)
VFO
SRV VFO
SU
From the previous page
(VFO/VF5V Resistance Check)
F5V
SRV VFO
VFG
Screw
SC
No
See the picture "A" on the next slide and:
• Remove the 4 VFG screws from the SU and SD
boards.
• Unplug SC41, SC42, and SC46 from the SC
board.
• Install the SC50 Jig or just jump pins 1 and 2 of
connector SC50 on the SC board.
Note: If the power LED does not
• Plug in the TV.
turn on automatically after the TV is plugged
in as expected, then press the power switch.
Does the
No
TV shut
down with 7
blinks?
Replace both
the SU and SD
boards
(2 of 4)
Is there a Yes
short
circuit?
Yes
A - Continue
on the next
Replace the SC
board slide
Slide 58 Slide 58