KX-NCP1280XJ - Panasonic PBX Service Manual (repair manual). Page 30

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30
KX-NCP1280XJ
9.4.
No.4
KX-NCP1280XJ SCHEMATIC DIAGRAM No.4 
40V
L504
C402
50V 100u
003:5D;003:5G
40V_G
40V
003:5D;003:5G
+40V
DG
P.G
ZNR501
56V
FG
FG
ZNR502
56V
R511
22K
3216
TP703
IP501
60V/750mA
40V_G
40V
P.G
TP704
Q502
S
D
G
+3.3V
J501
0
TP708
C403
330u
6.3V
D502
30V 2A
12
TP705
R510
47K
Q503
4
3
5
+3.3V
TP717
TP713
C504
0.01u
TP707
R503
33K
R502
10K
TP709
TP712
R508
10K
R507
10K 1%
R512
2.2K
1/8W
D503
L503
DG
P.G
TP711
+15V
C503
0.47
TP710
TP702
Q503
1
6
2
R505
15K
IC501
1
CE/CSS
2
VSS
3
FB
4
EXT/
5 VIN
TP714
C501
0.1u
50V
C506
0.1u
TP700
C505
NC
L502
0
R504
22K
TP716
TP706
DG
P.G
TP718
C401
150u
25V
TP701
R513
47K
C502
0.1u
50V
DG
P.G
TP715
DG
P.G
R509
27.4K 1%
D504
5.1V
R514
1K
+15VIN
DG
P.G
DG
P.G
DG
P.G
DG
P.G
DG
P.G
C509
25V/0.1
C510
0.1u
TH501
TP724
R501
0
1/8W
TH502
Q501
S
D
G
D505
R506
56
D501
VZ=4.7V
L501
0.5A/100uH
R515
NC
D
F
E
C
B
A
G
4
5
7
6
8
9
15V
250-300KHz
0
15V
250-300KHz
0
3.3V
0
15V
0
15V
250-300KHz
0
15V
250-300KHz
0
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