KX-NCP1188XJ - Panasonic PBX Service Manual (repair manual). Page 34

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34
KX-NCP1188XJ
9.5.
No.5
R505 56
DG
P.G
IC502
ON/OFF
1
Vss
2
Vout
3
EXT
4
Vin
5
DG
P.G
DG
P.G
C507
0.1u
DG
P.G
C508
1u
R504
56
DG
P.G
L501
1.5A/68u
IC503
VDD
1
GND
2
CE
3
NC
4
VOUT
5
TP411
TP384
TP385
D502
30V 2A
1
2
C509
1u
+1.8V
DA501
IF=150mA
3
1
2
C501
0.1u
C503
0.1u
Q503
S
D
G
C502
0.1u
TP387
R502
680
TP406
PROTECT
+3.3V
TP408
C406
10V 150u
R503
680
C404
6.3V 220u
IC501
ON/OFF
1
Vss
2
Vout
3
EXT
4
Vin
5
Q504
S
D
G
TP389
TP407
+5V
DG
P.G
TP409
TP388
C401
2
5V 47u
DG
P.G
DG
P.G
DG
P.G
DG
P.G
DG
P.G
R501 680
TP386
C506
0.1u
L503
1.5A/68u
D503
30V 2A
1
2
R506
680
+15V
TP410
TP383
TP382
L506
21P600
L507
21P600
L504
0
L502
0
D509
VZ=7.5V
D510
VZ=5.1V
+5V
+1.8V
+3.3V
IP501
125V/0.75A
IP502
125V/0.75A
C405
25V 47u
C403
25V 100u
15V
250-300KHz
0
15V
250-300KHz
0
3.3V
0
5V
0
15V
250-300KHz
0
15V
250-300KHz
0
KX-NCP1188XJ MAIN No.5
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