Panasonic TH-103PF9UK - Page 41

Panel SOS – Power LED Blinks 7 Times (5/5)
How to find the defective board
Trouble Mode
DATA Driver SOS
Defective Board
DR1/2,D, P(SUS/SC),P(Multi/SC),
P(SUS/SS),P(Multi/SS), C1-CZ Board
Are pins 1~4 and 6~11 of CN C94
shorted to GND?
Yes
C9 Board
Are pins 1~4
and 6~11 of CN C94 shorted
to GND?
Yes
No
Panel
Are pins 1~4 and 6~11 of CN C84
shorted to GND?
No
Yes
C8 Board
No
Yes
C7 Board
■C7～C9 Panel Diag.
Are pins 1~4
and 6~11 of CN C84 shorted
to GND?
Are pins 1~4
and 6~11 of CN C74 shorted
to GND?
Are pins 1~4 and 6~11 of CN CX4
shorted to GND?
Yes
CX Board
Yes
No
Panel
Are pins 1~4 and 6~11 of CN CY4
shorted to GND?
No
No
Yes
CY Board
No
Yes
CZ Board
■CX～CZ Panel Diag.
Are pins 1~4 and 6~11 of CN Z54
shorted to GND?
Are pins 1~4
and 6~11 of CN CX4 shorted
to GND?
Are pins 1~4
and 6~11 of CN CY4 shorted
to GND?
Panel
No
Panel
No
Panel
No
Panel
41
Disconnect CN C94, C93, and C32.
Disconnect CN C71 or C81.
Disconnect CN CB9~CB11.
Disconnect CN CB12~CB14.
Disconnect CN CB15~CB16.
Disconnect CN CX4 and CX2.
Disconnect CN CB1~CB2.
Disconnect CN CB6~CB8.
Disconnect CN CB3~CB5.
Yes
Disconnect CN CZ1or CY1.