Panasonic TH-103PF9UK - 103" Plasma Panel, Техническое руководство

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15V line SOS P(Multi/SS), D, DN,SS,PB,DR1/2 Board
Trouble Mode Defective Board
Panel SOS – Power LED Blinks 2 Times (SS Side)
How to find the defective board
DN
IC4701
D
D3
8
PANEL_SOS
IC9003
67
DN
2
8
166
15V
P(Multi/SS) PC
Power Supply / Protect Circuit
Q9050
Q9051
15V SOS 71
PB
15
15
15V
DC
CONV.
DC
CONV.
1
PB31
15V 15V 1
P5
15V
1
2
P25
1
2
PC
202
D25
1
2 1
2
PC
201
SS
DR2
DR
11
SS
35
SS
42
DR1
DR
1
15V
P12
4
SS
12
Note: The check position is the connector on the board ,
not cable's connector.
Yes
Yes
No
Yes
No
P(SS) Board
Yes
No
DN Board
No
PB
Board
Is pin 1 of
Socket P25 shorted
to GND?
Yes
No)
Yes
DR2 Board
No
Yes
DR1 Board
No
SS Board
DN Board
Yes
D Board
No
Disconnect the unit
from AC Power
Is pin 1 of
socket D25 shorted
to GND?
Is pin 15 of
socket DN2 shorted
to GND?
Is pin 15 of
socket DN2 shorted
to GND?
Is Test Point TP15V
on the SS board shorted to
GND?
Is Test Point TP15V
on the SS board shorted
to GND?
Is pin 4 of
socket P12 shorted
to GND?
Is pin 1 of
socket P5 shorted to
GND?
P(SS)
Board
SS Side Troubleshooting
25
Disconnect CN P25.
Disconnect CN D25. Disconnect CN DN2.
Disconnect CN P12
Disconnect CN SS35
Disconnect CN P5
Disconnect CN SS42
Disconnect CN DN2