Panasonic TH-103PF9UK - Page 34

Panel SOS – Power LED Blinks 5 Times (6/6)
How to find the defective board
■C,CR,Panel Diag.
Yes
No
Yes
(C9~CX,Panel NG)
No
Yes
No
(CY~CZ, Panel NG)
Yes
Is pin 1 of
socket C92 shorted to
GND?
No
C9 Board
Yes
Is pin 1 of
socket C92 shorted to
GND?
No
CX Board
Yes
Disconnect
CN CB3~CB5. Is pin 1 of
socket CY2 shorted to
GND?
No
CY Board
Yes
Is pin 1 of
socket CY2 shorted to
GND?
No
CZ Board
Panel
Panel
Panel
Panel
Is pin 1 of
socket C92 shorted to
GND?
Is pin 1 of
socket C92 shorted to
GND?
Is pin 1 of
socket CY2 shorted to
GND?
From page 5/6
34
Disconnect CN C91 or CX1.
Disconnect CN CB9~CX1.
Disconnect CN CY1 or CZ1.
Connect CN CY1 and CZ1.
Disconnect CN CB1 and CB2.
Connect CN C91 or CX1.
Disconnect CB6~CB8.
Disconnect CN CY3 or CX2.