Panasonic Viera TH-42PX75U, Техническое руководство

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LED blinks 5 times
<Trouble Mode and Defective Board>
Trouble Mode
5V SOS
Defective Board
D, P, C, SC, SS board or Panel
<How to find the defective boards>
No
No
Connect SS23 (*1).
Disconnect CN D31and D32
on the D board. Is pin 5of CN P25
shorted
to GND?
Connect D31
and leave D32 disconnected.
Is pin 5 of CN P25 shorted
to GND?
Yes
No
Yes
No
D Board
Disconnect CB1-CB4.
Is pin 5 of CN P25 shorted
to GND?
Yes
No
C1 Board Panel
Disconnect D31.
Connect D32.
Is pin 5 CN P25 shorted
to GND?
Yes
No
Disconnect CB5-CB8.
Is pin 5 of CN P25 shorted
to GND?
Yes
No
C2 Board
Panel
Connect
CN SC20. Disconnect
CN SS23 (*1) on the SS board.
Turn on the unit. Does the power
LED
Stay on?
SS Board
Yes
Disconnect
CN SC20 on the SC board. Turn
on the unit. Does the power LED
stay on?
SC Board
Disconnect
CN P25. Is pin 5 of the
socket P25 shorted
to GND?
P Board
Yes
No
P Board
Warning: Disconnect AC Power prior to
making any disconnection or
connection.
12
Yes
(*1) = The reference number of
the sustain data connector is
different in some of the models:
TH-42PX75U = SS23
TH-42PX77U = SS23
TH-50PX75U = SS33
TH-50PX77U = SS33
Note: CN = Connector