Read Panasonic KX-NCP1174XJ (serv.man2) Service Manual online
34
KX-NCP1174XJ
10.3. No.2
KX-NCP1174
XJ
SCHEMATIC DIAGRAM No.2 (1/4)
1/4
(1)
(2)
(3)
+
-
-
+
-
-
DTMFR[0]
VREF_C1
BELL[0]
VOUT[0]
DTMFR[1]
DTMFR[0]
BELL[1]
BELL0
VREF_C1
BELL0
VREF_C1
HOOK[1]
VOUT[1]
HOOK[0]
HOOK[1]
EST[1]
VOUT[0]
HOOK[0]
BELL[0]
EST[0]
D205A
Vz5.6V
IC203
1
2
3
4
8
TP425
TP422
AG
TP415B
+5V
C207
16V/0.1
C210
10V/1
TP432
TP433
RL202B
6
7
5
+5V
C204A
25V/0.1
TP437
R202A
33K
TP434
+5V
FG
C201A
50V/10u
TP403B
TP416A
TP406A
C217
10V/1
TP430
AG
C200B
50V/10u
+5V
R228
100K
TP409A
C200A
50V/10u
AG
TP436
C205
16V/0.1
R202B
33K
+5V
TP471
D205B
Vz5.6V
TP411B
+15V
C202A
25V/4R7
DG
AG
C203A
50V/0.1
C201B
50V/10u
RL202A
1
8
+40V
TP410B
C208
16V/0.1
TP417A
TP461
R203A
1K 1W
RA31
10K
1
2
3
4
5
6
7
8
6
7
8
AG
TP427
TP402B
TP414A
RL202A
3
2
4
D203A
IC201
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
AG
RA32
10K
1
2
3
4
5
6
7
8
6
7
8
AG
TP428
TP414B
IC200A
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
AG
DG
C280A
NC
C202B
25V/4R7
AG
C204B
25V/0.1
IC200B
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
TP464
C209
10V/1
C220
16V/0.22
RL202B
1
8
C221
50V/0.1
TP408B
TP405A
TP431
RL202A
6
7
5
FG
TP416B
FG
TP417B
TP429
TP409B
TP435
C280B
NC
+15V
TP408A
C218
16V/0.1
C203B
50V/0.1
TP426
+5V
R203B
1K 1W
AG
RL202B
3
2
4
TP415A
D203B
DG
+5V
C206
16V/0.1
TP411A
TP410A
ZNR23B
56V
ZNR20B
56V
ZNR23A
56V
ZNR20A
56V
ZNR21A
33V
ZNR21B
33V
+40V
CN101
12
10
16
9
15
14
11
13
CN101
4
2
8
1
7
6
3
5
R204A
150
R205A
150
R204B
150
R205B
150
A
B
b
m
b
m
b
m
b
m
D
C
B
A
4
7
6
35
2
1
19
20
21
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