Panasonic TH-42PZ80U - Page 18

LED blinks 5 times
18
Continue from the
previous slide (B)
Reconnect D31 only. Measure the resistance between pin
5 of connector P25 on the P board and ground (Chassis).
Yes
No
Is there a
short to
ground?
Disconnect the Flex
cables between the
panel and the C1 board
(CB1~CB6). Measure
the resistance between
pin 5 of connector P25
on the P board and
ground (Chassis).
Yes
No
Is there a
short to
ground?
Reconnect D32 and D33 and disconnect C26 on the C2
board. Also disconnect the Flex cables between the panel
and the C2 board (CB7~CB11). Measure the resistance
between pin 5 of connector P25 on the P board and
ground (Chassis).
Replace
the C1 board
Replace
the Panel
Yes No
Is there a
short to
ground?
Replace
the C2 board
Reconnect C26 and the Flex-cables between the panel
and the C2 board. Disconnect the Flex cables between
the panel and the C3 board (CB12~CB15). 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 C3 board
Replace
the Panel