Read Panasonic KX-NCP1174XJ (serv.man2) Service Manual online
38
KX-NCP1174XJ
10.4. No.3
KX-NCP1174
XJ
SCHEMATIC DIAGRAM No.3 (1/4)
1/4
(1)
(2)
(3)
+
-
-
+
-
-
EST[8]
BELL[8]
EST[9]
VOUT[8]
DTMFR[8]
RI
HOOK[8]
TI
HOOK[9]
VREF_C3
TJ
RJ
BELL[9]
DTMFR[9]
VREF_C3
BELL[8]
DTMFR[8]
VREF_C3
BELL1
BELL1
HOOK[9]
VOUT[9]
VOUT[8]
HOOK[8]
+5V
DG
C255
16V/0.1
C251
16V/0.22
AG
C253
16V/0.1
C254
16V/0.1
C252
16V/0.1
AG
DG
+5V
C264
10V/1
C268
50V/0.1
+5V
+15V
D203I
RL202I
6
7
5
RL202I
3
2
4
FG
C200I
50V/10u
+15V
D203J
RL202J
6
7
5
RL202J
3
2
4
C200J
50V/10u
C202I
25V/4R7
C202J
25V/4R7
C201I
50V/10u
C201J
50V/10u
+5V
FG
AG
AG
C256
10V/1
DG
C203I
50V/0.1
C204I
25V/0.1
C204J
25V/0.1
C203J
50V/0.1
C250
16V/0.1
C257
10V/1
TP416J
TP573
TP417J
TP415J
TP417I
TP577
TP602
TP569
TP571
TP575
TP414J
TP609
TP414I
TP411J
TP403J
TP402I
TP566
TP562
TP572
TP574
TP410I
TP561
TP408J
TP410J
TP567
TP409J
TP416I
TP415I
TP408I
TP568
TP576
TP402J
TP411I
TP570
TP403I
TP601
TP409I
+5V
+5V
+5V
IC252
1
2
3
4
8
RA39
10K
1
2
3
4
5
6
7
8
6
7
8
RA40
10K
1
2
3
4
5
6
7
8
6
7
8
AG
AG
AG
AG
C280I
NC
C280J
NC
IC200I
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_IN
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
IC200J
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_IN
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
D205I
Vz5.6V
AG
D205J
Vz5.6V
AG
RL202I
1
8
RL202J
1
8
IC250
50
GNDA1
61
VDDA34
24
VDDD
52
VDDA12
54
GNDA2
39
SB1_0
38
SB1_1
35
SI1_1
36
SI1_0
37
SB1_2
45
SB2_1
48
SI2_1
47
SI2_0
46
SB2_2
57
VDDREF
40
SO1_1
41
S01_0
56
VREF
59
GNDA3
63
GNDA4
21
GNDD
51
Vout1
49
Vin1
R203J
1K 1W
R202J
33K
R203I
1K 1W
R202I
33K
R268
100K
ZNR20I
56V
ZNR23I
56V
ZNR20J
56V
ZNR23J
56V
ZNR21I
33V
ZNR21J
33V
+40V
+40V
CN102
4
2
8
1
7
6
3
5
CN102
12
10
16
9
15
14
11
13
R204I
150
R205I
150
R204J
150
R205J
150
J
I
b
m
b
m
b
m
b
m
D
C
B
A
4
7
6
35
2
1
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