Panasonic TC-P55VT60 Technical Troubleshooting Manual page 65

Applies to Models
----- TCP-65VT60
TC-P55VT60 TC-P60ZT60
TC-P60VT60 TC-P65ZT60
TC-P55VT60
TC-P60VT60
Unplug the TV and place your
volt-meter on pin 5 of
connector P6. Plug in the TV
But do not turn the power on
Yes
Is there 5V present
when the TV is plugged into
the AC line?
Replace
the A board
(Check the AC Cord)
Shorted ―Key‖ input command (Pin 3 of connector C14 on the C1
board) possibly caused by the Control Unit Assy, the C1 board,
or the C2 board.
Troubleshooting No Power/Dead Unit
Start Here
Make sure the connectors on the P board
are properly seated. Plug-in the TV but
do not turn the power on.
TC-P65VT60
TC-P60ZT60
TC-P65ZT60
Unplug the TV and place your
volt-meter on pin 6 of
connector P6. Plug in the TV
But do not turn the power on
NO
Replace
The P board.
Note:
TV's power switch and the remote control.
No
Power
Dead
Does the
NO
relay on the P board
click after the TV is plugged
into the AC line?
Yes
Is the TV turning on
but the power LED
Check the wires
between
connectors A1 and
K10. If OK, then
replace the K
board
Yes
Is the power LED
blinking 6 or 8 times
continuously?
Verify this symptom by using both the
List of boards likely to cause this symptom
No.1 No.2 No.3
A P
Yes
Unplug the TV and disconnect
A1 on the A board. Plug in the
TV press the power switch on
the TV
NO (Still Dead)
Is off?
Unplug the TV and disconnect
A31 on the A board. Plug in
the TV press the power switch
on the remote control).
NO (Dead)
No.4
Replace
the A board
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