Read Panasonic KX-NCP1170XJ (serv.man2) Service Manual online
36
KX-NCP1170XJ
KX-NCP1170XJ SCHEMATIC DIAGRAM No.3 (3/4)
3/4
(a)
(b)
(6)
(7)
(8)
(9)
(10)
+
-
E
D
C
B
A
7
68
11
10
9
D2C
TC
RC
D1C
HOOK[2]
BELL[2]
DTH[2]
DTL[2]
DTMFR[2]
DR[2]
BELL[0]
DTMFR[0]
VOUT[2]
VOU
T[2]
HOOK[1]
HOOK[0]
VOUT[0]
BELL
EST[0]
ES
T[0]
EST[1]
C308
50V/0.1u
C300
16V/0.1u
C310
50V/0.1u
C309
50V/0.1u
DG
C313
16V/1u
+5V
DG
+5V
C306
50V/0.1u
+5V
RA301
10k
1
2
3
4
2
3
4
5
6
7
8
+5V
+5V
SLTG
U2C
4
3
5
C7C
50V/120P
SLTG
+5V
U5C
1
6
2
ZNR2C
Q4C
E
C
B
+40TR
C8C
16V/0.1u
PT_POW[2]
+3.3V
C54C
25V/0.039u
D2C
Q51C
E
C
B
D51C
1
2
+40V
IC302C
1
2
3
4
8
D1C
C3C
10V/1u
U2C
1
6
2
D3C
FG
C6C
50V/120P
Q1C
E
C
B
PTG
C60C
50V/68P
D54C
1
2
+40V
PTG
PT_CUR[2]
C9C
16V/0.1u
D52C
1
2
DG
+5VPT
C5C 16V/1u
IC302C
5
6
7
C11C
10V/1u
PTG
C59C
50V/68P
PTG
D55C
1
2
+15VPT
Q52C
E
C
B
DG
PTG
U1C
1
6
2
C56C
50V/10u
ZNR53C
U6CD
1
6
2
ZNR1C
L2C
U5C
4
3
5
C10C
16V/0.1u
PTG
L1C
U52C
4
3
5
FG
PTG
U4C
1
6
2
Q2C
E
C
B
U3C
4
3
5
ZNR51C
C55C
50V/10u
U3C
1
6
2
U4C
4
3
5
U1C
4
3
5
Q57C
E
C
B
PTG
C4C
16V/1u
DG
RA1C
10K
4
3
2
1
8
7
6
5
PTG
+15V
Q53C
E
C
B
Q54C
E
C
B
C52C
50V/0.01u
ZNR52C
C51C
50V/4.7u
U52C
1
6
2
PTG
C53C
50V/0.01u
C302
50V/0.1u
AG
AG
AG
AG
AG
AG
AG
AG
AG
IC301
1
2
3
4
8
18
23
20
17
22
CN1
19
24
21
C2C
50V/2.2u
C307
16V/0.22u
IC301
5
6
7
C312
50V/0.01
C311
10V/1u
D4C
Vz5.6V
AG
L203C
L204C
T1C
1
2
4
5
6
7
8
9
10
RL52C
6
7
5
RL52C
3
2
4
RL52C
1
8
C58C
10V/10u
C57C
10V/10u
C61C
50V/22P
IC300
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
44
SB2_0
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
R8C
560 1/10W
R4C
22K
R54C
6.8K
R300
NC
R9C
39 1/10W
R22C
150K
R24C 1M
R15C
1.5K
R1C
22K
R69C
56K F
R21C
1M
R26C
22K
R7C
56
R302
100K F
R59C
22
1/4W
R16C
2.2K F
R5C
10K
R18C
1k
R14C 1.5K
R61C
R10C
39 1/10W
R51C
1K 1W
R11C
910
R310
10K
R75C
22
R13C
4.7k F
R12C
910
R63C
300 F
R72C 22
R65C 100K F
R58C
12K
R57C
12K
R25C
1.5 1/4W
R2C
100k
R71C
100K F
R62C
R3C
4.7K
R78C
22
R53C
56K
R66C 100K F
R17C
1k
R73C
100K F
R67C
300 F
R64C
47K
R23C
4.7M
R55C
6.8K
R56C
15K
R311
10K
R70C
56K F
R301
NC
R74C
220
R27C
8.2
R60C
22
1/4W
R52C
33K
R68C
10K
R6C
10K
D56C
Vz47v
12
TP660C
TP730C
TP775C
TP706C
TP935
TP644C
TP959
TP667C
TP731C
TP926
TP635C
TP616C
TP740C
TP653C
TP692C
TP773C
TP686C
TP970C
TP732C
TP710C
TP753C
TP971C
TP680C
TP629C
TP937
TP921
TP639C
TP721C
TP643C
TP766C
TP623C
TP918
TP620C
TP956
TP696C
TP780C
TP703C
TP716C
TP754C
TP687C
TP749C
TP916
TP917
TP715C
TP709C
TP776C
TP934
TP666C
TP659C
TP674C
TP657C
TP631C
TP722C
TP942
TP733C
TP661C
TP650C
TP708C
TP765C
TP755C
TP720C
TP929
TP627C
TP737C
TP925
TP743C
TP681C
TP684C
TP671C
TP712C
TP646C
TP741C
TP745C
TP941
TP675C
TP777C
TP697C
TP922
TP694C
TP624C
TP664C
RA300
10k
1
2
3
4
5
6
7
8
6
7
8
AG
C
b
m
b
m
2.5V
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