Panasonic Viera TC-P42X1, Revised Troubleshooting Handbook

Page: 39 / 71

Slide #39
5 Blinks Error Code (All Models)
Disconnect the TV and measure the
resistance between pin 5 of connector P25 on
the P board and ground (Chassis).
Yes
No
Is there a
short to
ground?
Use a volt-meter and place the positive probe on pin 5 of connector P25 on the P board
while the negative probe is grounded. Plug in the TV and turn it on
Is
there
5V?
Yes
No
Replace
the A board
Replace
the P board
Disconnect P25 on the P board. Measure the
resistance between pin 5 of connector P25 on
the P board and ground (Chassis).
Yes
No
Is there a
short to
ground?
Replace
the P board
Reconnect P25 and disconnect SC20 on
the SC board. Measure the resistance
between pin 5 of connector P25 on the P
board and ground (Chassis).
Yes No
Is there a
short to
ground?
Replace
the SC board
Reconnect SC20 and disconnect SS23 (HD models)/SS33 (Full-
HD models) on the SS board. Measure the resistance between
pin 5 of connector P25 on the P board and ground (Chassis).
Disconnect SC46 and reconnect
SC20 on the SC board. Measure
the resistance between pin 5 of
connector P25 on the P board and
ground Chassis).
Yes
No
Is there a
short to
ground?
Replace
the SD board
Go to the
next slide (A)
Yes
No
Is there a
short to
ground?
Replace
the SS board
Start Here
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.