LED blinks 1 time
Trouble Mode
Communication Error
Defective Board
D, GS, A
Disconnect A52 on the A
Board (See Figure 1). Plug
in the TV and turn it on
Replace the GS
board
No
Yes
8
Figure 2
Is the power
LED still
blinking?
Unplug the TV and disconnect
connectors P6 and P7 on the P Board
(See Figure 1). Plug in the TV.
Is the TV turning on by
itself with the following
conditions?
Power LED = Off
SC LED= On
SS LED = ON
Replace the D
board
Replace the A
board
No
Yes
Warning:
Disconnect AC Power prior to
making any disconnection or connection
TH-42PZ80/85/800U
TH-46PZ80/85/800U
TH-50PZ80/85/800U
TH-46PZ850U
TH-50PZ850U
Disconnect A9 on the A
Board. Plug in the TV
and turn it on
A board Connectors Location
