Panasonic TC-P42X1 Revised Troubleshooting Handbook page 47

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.
Start Here
1. Remove the front cabinet and check for cracks and blown pixels. (For front cabinet removal procedure go to slide 24).
2. Check the ICs on the SU and SD boards for blown hole on the surface. (Go to slide 25 to see pictures)
3. Perform the SU, SD, and SC boards resistance test procedure shown on slides 26~31. Match the result with one of the
following boxes (A~D) and follow the instructions at the bottom of the page.
A
A
Board Result Board
SU Bad SU
SD OK SD
SC OK SC
Board Result
SU Bad
SD Bad
SC OK
Follow this procedure if the SU
board and/or the SD board are
bad while the SC board measures
OK
Go to the
next slide
7 Blinks Error Code (2 of 4)
Result
Board Result
OK SU OK
Bad
SD Bad
OK SC Bad
Board
SU
SD
SC
Follow this procedure if the SU
board and/or the SD board are
bad while the SC board is also
bad
B
B
Board Result
SU Bad
SD Bad
SC Bad
Result
Bad
OK
Bad
Replace the
SU, SD, and
SC boards
C
C
Board Result Board
SU OK SU
SD OK SD
SC Bad SC
Follow this
procedure
Follow this
when all 3
procedure if
boards check
only the SC
OK
board is bad
Replace the SC
board.
D
D
Result
OK
OK
OK
Go to the
Slide #16
Slide #47