Panasonic KX-NCP1170XJ (serv.man2) Service Manual ▷ View online
33
KX-NCP1170XJ
(1)
(2)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(13)
(14)
(15)
(17)
(16)
(18)
KX-NCP1170
XJ SCHEMATIC DIAGRAM No.2 (2/2)
8
11
10
9
nALE
A[17]
A[4]
D[6]
D[1]
D[2]
D[3]
D[4]
D[7]
D[5]
D[0]
A[17]
A[16]
A[15]
A[0]
A[1]
A[2]
A[3]
A[4]
A[5]
A[6]
A[7]
A[8]
A[9]
A[10]
A[11]
A[12]
A[13]
A[14]
D[4]
D[0]
D[6]
D[5] D[3]
D[2]
D[7]
D[1]
nRD
nWR
nBACK
nBREQ
A[0-17]
nWAIT
nCS1
BELL_SYNC
D[0-7]
CS_DLY_DT
FH
AC_ALM
nPOW_RST
DG
nHALT
DG
C226
50V/0.1u
nALE
+3.3V
IC207
1 CLR
2 1Q
3 1D
4 2D
5 2Q
6 3Q
7 3D
8 4D
9 4Q
2 1Q
3 1D
4 2D
5 2Q
6 3Q
7 3D
8 4D
9 4Q
10 GND
11
CLK
12
5Q
13
5D
14
6D
15
6Q
16
7Q
17
7D
18
8D
19
8Q
20
VCC
+3.3V
PC703
1
2
3
4
C709
250V/4.7
IC701
SW IC
1
COMP
2
FB
3
ISENS
4
RT/CT
5
GND
6
OUT
7
VCC
8
VREF
C716
50V/0.1u
T700
1
2
3
5
6
8
9
C715
25V/0.1u
+15V
D708
600V 1A
1
2
BELL_CONT
C714
50V/470P
Q710
S
D
G
C713
25V/0.1u
+40V
C711
250V/4.7
PG
P.G
D705
VZ=24v
PG
P.G
Q711
E
C
B
RINGER
D706 600V 1A
1
2
C712
16V/0.047u
C708
25V/0.1u
C718
25V/0.1u
IC700
4 Vref
1
A1
3
C
2 A2
5 A5
6 A6
IC111
NC
1
2
3
4
5
C173
NC
DG
+3.3V
J128
0
+3.3V
DG
nIRQ1
nCS2
nRST
R753 750 F
R729
20K F
R722
15K F
R732
1.2M
R743
2.71W
R730
18K F
R744
22
R731
750 F
R742
22K
R240
10K
R746
27K
R741
22
R736
47K
3216
R745
10K
R737
10K
R734
22K
R740
2.2K
CN6
NC
A1
NC
B1
NC
A2
NC
B2
NC
A3
NC
B3
NC
A4
NC
B4
NC
A5
+3.3V
B5
+3.3V
A6
+3.3V
B6
DG
A7
DG
B7
DG
A8
DG
B8
NIRQ1
A9
D[7]
B9
D[6]
A10
D[5]
B10
D[4]
A11
D[3]
B11
D[2]
A12
D[1]
B12
D[0]
A13
nCS2
B13
nCS1
A14
nRD
B14
nWR
A15
nRST
B15
nWAIT
A16
nBREQ
B16
nBACK
A17
A[17]
B17
A[16]
A18
A[15]
B18
A[14]
A19
A[13]
B19
A[12]
A20
A[11]
B20
A[10]
A21
A[9]
B21
A[8]
A22
A[7]
B22
A[6]
A23
A[5]
B23
A[4]
A24
A[3]
B24
A[2]
A25
A[1]
B25
A[0]
A26
DG
B26
FH
A27
DG
B27
CS_DLY_DT
A28
AC_ALM
B28
nHALT
A29
BELL_SYNC
B29
nPOW_RST
A30
DG
B30
DG
TP2022
TP762
TP2025
TP723
TP757
TP2018
TP2021
TP2017
TP2016
TP401
TP2012
TP2013
TP2002
TP2026
TP781
TP725
TP2020
TP702
TP768
TP400
TP2014
TP783
TP769
TP398
TP2003
TP2010
TP700
TP735
TP2023
TP2007
TP2015
TP701
TP771
TP759
TP2019
TP2009
TP767
TP399
TP747
TP758
TP782
TP746
TP2008
TP2005
TP734
TP724
TP2006
TP2004
TP761
TP756
TP2024
TP2011
TP760
RA213
1k
1
2
3
4
5
6
7
8
+3.3V
RA215
1k
1
2
3
4
5
6
7
8
C719
50V/10
C717
DG
D
F
E
C
B
A
H
G
0 0 1 : 5 B
0 0 1 : 5 B
0 0 1 : 5 B
0 0 1 : 5 B
0 0 1 : 6 B ; 0 0 3 : L 7
0 0 1 : 5 B
0 0 1 : 5 B
0 0 1 : 4 C
0 0 1 : 5 B
0 0 1 : 5 B
0 0 1 : 2 C
0 0 1 : 5 B
0 0 1 : 1 1 G
0 0 1 : 2 E
0 0 1 : 5 C ; 0 0 3 : L 7
0 0 1 : 3 E
0 0 1 : 6 A
0 0 1 : 1 1 G
0 0 1 : 3 E
0 0 1 : 8 G
34
KX-NCP1170XJ
10.4. No.3
KX-NCP1170XJ SCHEMATIC DIAGRAM No.3 (1/4)
1/4
(a)
(b)
(1)(2)
(3)
(4)
(5)
E
D
C
B
A
45
3
2
6
+
-
DTH[0]
DTL[0]
DTMFR[0]
HOOK[0]
BELL[0]
DR[0]
VOUT[0]
VO
UT
[0]
BELL
D1A
D2A
TA
RA
PT_POW[0]
PT_CUR[0]
U6AB
1
6
2
+3.3V
PTG
PTG
+40V
D2A
TG
PTG
SLTG
PTG
TG
PTG
PTG
PTG
PTG
Q53A
E
C
B
SLTG
PTG
U1A
4
3
5
Q4A
E
C
B
U1A
1
6
2
D1A
U2A
1
6
2
ZNR1A
FG
U3A
1
6
2
+40V
U3A
4
3
5
+15VPT
L1A
Q1A
E
C
B
ZNR2A
Q2A
E
C
B
U2A
4
3
5
RA1A
10K
4
3
2
1
8
7
6
5
AG
C55A
50V/10u
D55A
1
2
+40TR
Q57A
E
C
B
Q52A
E
C
B
C6A
50V/120P
C7A
50V/120P
C5A
16V/1u
C4A
16V/1u
C9A
16V/0.1u
+5VPT
C8A
16V/0.1u
C3A
10V/1u
D52A
1
2
C56A
50V/10u
ZNR51A
D51A
1
2
D54A
1
2
C53A
50V/0.01u
FG
C51A
50V/4.7u
C54A
25V/0.039u
C60A
50V/68P
C59A
50V/68P
C52A
50V/0.01u
ZNR52A
D3A
ZNR53A
DG
DG
DG
C10A
16V/0.1u
C11A
10V/1u
IC302A
5
6
7
IC302A
1
2
3
4
8
+15V
U4A
1
6
2
U4A
4
3
5
Q51A
E
C
B
Q54A E
C
B
U52A
1
6
2
U52A
4
3
5
U5A
1
6
2
U5A
4
3
5
PTG
+5V
CN1
3
6
2
7
1
8
C2A
50V/2.2u
L2A
RL50A
4
3
5
4
RL50A
9
10
8
5
CN2
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D4A
Vz5.6V
AG
L203A
L204A
T1A
1
2
4
5
6
7
8
9
10
RL52A
3
2
4
RL52A
6
7
5
RL52A
1
8
C58A
10V/10u
C57A
10V/10u
C61A
50V/22P
R67A 300 F
R55A
6.8K
R65A
100K F
R51A
1K 1W
R57A
12K
R71A
100K F
R25A
1.5 1/4W
R53A
56K
R6A
10K
R3A
4.7K
R2A
100k
R23A 4.7M
R1A
2
2K
R18A
1k
R26A
22K
R52A
33K
R60A
22
1/4W
R22A
150K
R21A
1M
R63A
300 F
R58A
12K
R59A
22
1/4W
R69A
56K F
R78A
22
R66A 100K F
R5A
10K
R62A
220
1/2W
R54A
6.8K
R73A
100K F
R56A
15K
R70A
56K F
R4A
22K
R74A
220
R61A
220
1/2W
R68A
10K
R72A
22
R75A
22
R64A
47K
R7A
56
R24A 1M
R10A
39 1/10W
R13A
4.7k F
R8A
560 1/10W
R12A
910
R15A
1.5K
R16A
2.2K F
R14A 1.5K
R11A
910
R9A
39 1/10W
R27A
8.2
R17A
1k
D56A
Vz47v
12
TP659A
TP696A
TP765A
TP643A
TP755A
TP715A
TP720A
TP740A
TP970A
TP775A
TP703A
TP650A
TP776A
TP743A
TP732A
TP766A
TP623A
TP754A
TP733A
TP681A
TP687A
TP666A
TP745A
TP674A
TP664A
TP631A
TP753A
TP716A
TP646A
TP686A
TP644A
TP661A
TP635A
TP694A
TP777A
TP730A
TP692A
TP706A
TP710A
TP721A
TP709A
TP675A
TP629A
TP653A
TP684A
TP627A
TP780A
TP971A
TP620A
TP737
TP680A
TP657A
TP712A
TP639A
TP667A
TP741A
TP616A
TP749A
TP671A
TP773A
TP624A
TP660A
TP708A
TP731A
TP722A
TP697A
RL51A
3
2
4
RL51A
6
7
5
TP963A
TP962A
A
b
b
m
m
b
m
b
m
m
b
m
b
1
5V
0
2.5V
35
KX-NCP1170XJ
KX-NCP1170XJ SCHEMATIC DIAGRAM No.3 (2/4)
2/4
(c)
(d)
(e)
(1)(2)
(3)
(4)
(5)
F
E
H
G
D
45
6
3
+
-
+
-
+
-
DTH[1]
DTMFR[1]
BELL[1]
DTL[1]
VOUT[1]
VO
UT
[1]
HOOK[1]
DR[1]
BELL
TB
RB
D1B
D2B
DG
FG
U2B
1
6
2
C60B
50V/68P
C56B
50V/10u
C53B
50V/0.01u
+15VPT
ZNR1B
Q2B
E
C
B
U52B
4
3
5
D55B
1
2
10
Q4B
E
C
B
C59B
50V/68P
DG
U6AB
4
3
5
C5B
16V/1u
+40V
PT_CUR[1]
U1B
1
6
2
C52B
50V/0.01u
D2B
C55B
50V/10u
+40TR
D51B
1
2
C4B
16V/1u
ZNR53B
PTG
PTG
PTG
C7B
50V/120P
U3B
4
3
5
13
+40V
CN1
11
Q57B
E
C
B
15
PTG
PTG
C2B
50V/2.2u
12
C8B 16V/0.1u
Q1B
E
C
B
D52B
1
2
TG
PTG
+5VPT
PTG
C6B
50V/120P
IC302B
5
6
7
D1B
Q52B
E
C
B
C51B
50V/4.7u
C54B
25V/0.039u
U5B
1
6
2
U52B
1
6
2
DG
9
U2B
4
3
5
14
+3.3V
U3B
1
6
2
U5B
4
3
5
+5V
AG
Q54B
E
C
B
PTG
D54B
1
2
ZNR52B
L2B
16
U4B
1
6
2
U4B
4
3
5
ZNR51B
FG
C10B
16V/0.1u
D3B
Q51B
E
C
B
SLTG
RA1B
10K
4
3
2
1
8
7
6
5
U1B
4
3
5
SLTG
Q53B
E
C
B
C3B
10V/1u
C9B
16V/0.1u
IC302B
1
2
3
4
8
PTG
PT_POW[1]
L1B
+15V
ZNR2B
PTG
C11B
10V/1u
D4B
Vz5.6V
AG
L203B
L204B
T1B
1
2
4
5
6
7
8
9
10
RL52B
6
7
5
RL52B
3
2
4
RL52B
1
8
C58B
10V/10u
C57B
10V/10u
C61B
50V/22P
R10B
39 1/10W
R72B
22
R53B
56K
R70B
56K F
R16B
2.2K F
R24B 1M
R22B
150K
R64B
47K
R55B
6.8K
R59B
22
1/4W
R73B
100K F
R15B
1.5K
R23B
4.7M
R74B
220
R4B
22K
R27B
8.2
R68B
10K
R57B
12K
R14B 1.5K
R66B 100K F
R8B
560 1/10W
R60B
22
1/4W
R11B
910
R13B
4.7k F
R6B
10K
R2B
100k
R54B
6.8K
R61B
220
1/2W
R26B
22K
R51B
1K 1W
R75B
22
R9B
39 1/10W
R18B
1k
R12B
910
R78B
22
R71B
100K F
R25B
1.5 1/4W
R1B
22K
R21B
1M
R17B
1k
R3B
4.7K
R67B
300 F
R69B
56K F
R5B
10K
R52B
33K
R65B
100K F
R62B
220
1/2W
R7B
56
R63B
300 F
R58B
12K
R56B
15K
D56B
Vz47v
12
TP644B
TP733B
TP666B
TP643B
TP657B
TP970B
TP684B
TP721B
TP776B
TP639B
TP650B
TP703B
TP680B
TP708B
TP660B
TP629B
TP720B
TP694B
TP624B
TP709B
TP627B
TP766B
TP620B
TP681B
TP692B
TP755B
TP722B
TP732B
TP674B
TP741B
TP631B
TP710B
TP659B
TP646B
TP730B
TP686B
TP971B
TP675B
TP616B
TP664B
TP706B
TP745B
TP661B
TP712B
TP749B
TP753B
TP743B
TP623B
TP715B
TP765B
TP635B
TP780B
TP775B
TP716B
TP737B
TP777B
TP653B
TP667B
TP740B
TP671B
TP773B
TP687B
TP731B
TP696B
TP754B
TP697B
Q300
E
C
B
R308
6.8K
R305
39
TP284
PFRLY
D300
TP286
R307
10K
PG
P.G
RL50A
1
12
PG
P.G
TP285
TP283
R306
39
RL51A
1
8
+15V
m
b
b
m
B
2
1
001:3E
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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