Panasonic KX-NCP1173XJ (serv.man2) Service Manual ▷ View online
31
KX-NCP1173XJ
KX-NCP1173
XJ
SCHEMATIC DIAGRAM No.3 (2/4)
2/4
(c)
(d)
(e)
(f)
(1)(2)
(3)
(4)
(5)
(6)
DTH[1]
DTMFR[1]
BELL[1]
DTL[1]
VOUT[1]
HOOK[1]
+160V
D1B
D2B
TB
RB
DR[1]
U2B
C60B
C56B
50V/10u
C53B
ZNR1B
Q2B
U52B
D55B
Q4B
C59B
U6AB
4
3
5
C5B
PT_CUR[1]
U1B
C52B
D2B
C55B
50V/10u
D51B
C4B
ZNR53B
PTG
PTG
PTG
C7B
U3B
Q57B
PTG
PTG
C2B
C8B
Q1B
D52B
PTG
PTG
C6B
IC302B
D1B
Q52B
C51B
50V/4.7u
C54B
U5B
U52B
U2B
U3B
U5B
Q54B
PTG
D54B
ZNR52B
L2B
U4B
U4B
ZNR51B
C10B
NC
D3B
Q51B
SLTG
RA1B
NC
U1B
SLTG
Q53B
C3B
C9B
IC302B
PTG
PT_POW[1]
L1B
ZNR2B
PTG
C11B
NC
BELL_CONT
RINGER
D705
VZ=24v
C705
25V/0.082u
D706
600V 1A
Q711
IC701
SW IC
PC703
C701
0.1/250V
C713
25V/0.1u
C716
50V/0.1u
PC700
C714
50V/470P
IC700
Q703
Q709
D703
VZ=15v
Q707
C718
25V/0.1u
C707
25V/0.082u
D708
600V 1A
IC712
IC712
C708
25V/0.1u
IC712
C715
25V/0.1u
D701
VZ=15v
C703 50V/0.1u
IC712
P.G
P.G
P.G
C712
16V/0.047u
P.G
Q710
S
D
G
Q702
Q706
D4B
Vz5.6V
L203B
L204B
BELL
T1B
RL52B
RL52B
RL52B
C61B
T700
C711
250V/4.7
C709
250V/4.7
C717
50V/100
R74B
220
R27B
NC
R65B 100K F
R58B
12K
R723
390K F
R725
20K F
R743
2.7 1W
R71B 100K F
R751
47K
R56B
15K
R8B
NC
R59B
22
1/4W
R729
20K F
R7B
NC
R719
7.5K
R736
47K
R740
2.2K
R78B
NC
R721 47K
R741
22
R732
1.2M
R64B
47K
R57B
12K
R753
750 F
R68B
10K
R2B
NC
R703
680
R22B
NC
R73B
100K F
R12B
NC
R709
47K
R737
10K
R722
15K F
R733
1K
R4B
NC
R11B
NC
R6B
NC
R752
47K
R24B NC
R745
10K
R62B
220
1/2W
R16B
10K
R734
22K
R21B
NC
R705
680
R51B
1K 1W
R3B
NC
R746
27K
R55B
6.8K
R72B
22
R10B
NC
R742
22K
R70B
56K F
R26B
NC
R731
750 F
R75B
22
R66B
100K F
R60B
22
1/4W
R713 10K
R728
4.7K
R69B
56K F
R25B
NC
R15B
NC
R61B
220
1/2W
R63B
300 F
R14B
NC
R711
47K
R52B 33K
R23B
NC
R9B
NC
R67B
300 F
R727
180K F
R720
100
R17B
NC
R744
22
R730
18K F
R54B 6.8K
R53B
56K
R707
100
R1B
N
C
R5B
NC
R18B
NC
R717 10K
R701
150
R13B
NC
R715
1M
D56B
Vz47v
C57B
6.3V/10u
C58B
6.3V/10u
m
b
b
m
+
-
TG
PG
PG
B
D
F
E
H
G
2
1
46
35
DG
TP623B
FG
TP666B
1
6
2
TP624B
TP706B
50V/68P
50V/0.01u
TP732B
+15VPT
TP653B
TP697B
E
C
B
4
3
5
1
2
1
2
10
E
C
B
TP753B
50V/68P
DG
TP749B
NC
+40V
TP646B
TP766B
TP664B
1
6
2
TP776B
TP644B
TP716B
50V/0.01u
TP659B
TP731B
TP741B
TP730B
+40V
TP667B
1
2
NC
TP754B
TP674B
TP680B
TP765B
NC
TP780B
TP681B
4
3
5
TP737B
13
+40V
11
TP643B
E
C
B
15
TP650B
NC
TP616B
12
TP687B
NC
TP635B
E
C
B
TP745B
TP775B
TP722B
TP710B
+5VPT
TP639B
NC
5
6
7
TP703B
TP715B
TP755B
E
C
B
25V/0.039u
TP631B
TP675B
1
6
2
TP720B
1
6
2
DG
TP627B
TP696B
9
4
3
5
14
+3.3V
1
6
2
TP743B
4
3
5
+5V
AG
TP684B
E
C
B
TP708B
1
2
TP694B
TP660B
TP686B
16
1
6
2
TP657B
4
3
5
TP692B
TP712B
FG
TP661B
E
C
B
TP629B
4
3
2
1
8
7
6
5
4
3
5
TP721B
E
C
B
NC
NC
1
2
3
4
8
TP620B
TP671B
TP709B
+15V
TP777B
1
2
+40V
E
C
B
1
COMP
2
FB
3
ISENS
4
RT/CT
5
GND
6
OUT
7
VCC
8
VREF
1
23
4
1
2
3
4
4
Vref
1
A1
3
C
2
A2
5
A5
6
A6
TP768
TP769
E
C
B
E
C
B
+40V
+3.3V
E
C
B
+160V
12
10
9
8
1
2
3
4
11
5
6
7
TP758
+15V
TP757
12
13
14
TP781
TP783
TP767
TP760
TP762
TP723
TP701
TP725
TP734
TP7
35
TP676
TP673
TP647
TP637
TP656
TP628
TP617
TP614
TP613
TP611
TP604
TP607
TP605
BELL
TP603
TP606
TP612
TP618
PG
TP608
TP610
TP609
TP677
-100V
PG
TP702
TP746
TP747
TP771
TP761
TP782
E
C
B
E
C
B
TP759
TP756
TP700
TP724
AG
TP773B
TP970B
TP971B
1
2
4
5
6
7
8
9
10
3
2
4
6
7
5
1
8
50V/22P
TP740B
TP733B
1
2
3
5
6
8
9
12
001:3E
001:8G
004:K1
+145V
-90V
70~80V
rms
20 or 25Hz
32
KX-NCP1173XJ
KX-NCP1173
XJ
SCHEMATIC DIAGRAM No.3 (3/4)
3/4
(a)
(b)
(7)
(8)
(9)
(10)
(11)
(12)
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
D2C
TC
RC
D1C
HOOK[2]
BELL[2]
DTH[2]
DTL[2]
DTMFR[2]
BELL[0]
DTMFR[0]
VOUT[2]
HOOK[1]
HOOK[0]
VOUT[0]
DR[2]
EST[0]
EST[1]
C308
C300
C310
C309
C313
C306
RA301
10k
SLTG
U2C
C7C
SLTG
U5C
ZNR2C
Q4C
C8C
PT_POW[2]
C54C
D2C
Q51C
D51C
IC302C
D1C
C3C
U2C
D3C
C6C
Q1C
PTG
C60C
D54C
PTG
PT_CUR[2]
C9C
D52C
C5C
IC302C
C11C
NC
PTG
C59C
PTG
D55C
Q52C
PTG
U1C
C56C
50V/10u
ZNR53C
U6CD
1
6
2
ZNR1C
L2C
U5C
C10C
NC
PTG
L1C
U52C
PTG
U4C
Q2C
U3C
ZNR51C
C55C
50V/10u
U3C
U4C
U1C
Q57C
PTG
C4C
RA1C
NC
PTG
Q53C
Q54C
C52C
ZNR52C
C51C
50V/4.7u
U52C
PTG
C53C
C302
IC301
C2C
C307
C312
50V/0.01
C311
10V/1u
D4C
Vz5.6V
L203C
L204C
T1C
RL52C
RL52C
RL52C
C61C
R69C
56K F
R1C
NC
R24C
NC
R4C
NC
R78C
NC
R61C
R74C
220
R3C
NC
R55C
6.8K
R59C
22
1/4W
R67C
300 F
R54C 6.8K
R6C
NC
R25C
NC
R5C
NC
R310
10K
R58C
12K
R56C
15K
R62C
R10C
NC
R2C
NC
R64C
47K
R9C
NC
R65C 100K F
R71C
100K F
R8C
NC
R66C 100K F
R12C
NC
R17C
NC
R23C
NC
R14C
NC
R68C
10K
R60C
22
1/4W
R13C
NC
R11C
NC
R51C
1K 1W
R7C
NC
R301
NC
R57C
12K
R21C
NC
R302
100K F
R70C
56K F
R27C
NC
R73C
100K F
R53C 56K
R15C
NC
R52C 33K
R72C
22
R26C
NC
R75C
22
R16C
10K
R18C
NC
R22C
NC
R63C
300 F
R300
NC
R311
10K
D56C
Vz47v
RA300
10k
C58C
6.3V/10u
C57C
6.3V/10u
b
m
b
m
+
-
C
D
C
B
A
7
68
11
10
9
50V/0.1u
16V/0.1u
50V/0.1u
50V/0.1u
DG
16V/1u
+5V
DG
+5V
50V/0.1u
+5V
1
2
3
4
2
3
4
5
6
7
8
+5V
+5V
4
3
5
NC
+5V
1
6
2
E
C
B
+40V
NC
+3.3V
25V/0.039u
E
C
B
1
2
+40V
1
2
3
4
8
NC
1
6
2
FG
NC
E
C
B
50V/68P
1
2
+40V
NC
DG
+5VPT
NC
5
6
7
50V/68P
1
2
1
2
+15VPT
E
C
B
DG
1
6
2
4
3
5
4
3
5
FG
1
6
2
E
C
B
4
3
5
1
6
2
4
3
5
4
3
5
E
C
B
NC
DG
4
3
2
1
8
7
6
5
+15V
E
C
B
E
C
B
50V/0.01u
1
6
2
50V/0.01u
50V/0.1u
AG
AG
AG
AG
AG
AG
AG
AG
AG
1
2
3
4
8
TP929
TP686C
TP635C
TP631C
TP706C
TP749C
TP715C
TP937
TP694C
TP921
TP639C
TP708C
TP780C
TP917
TP731C
TP664C
TP681C
TP755C
TP716C
TP765C
TP732C
TP709C
TP646C
TP629C
TP766C
TP697C
TP722C
TP616C
TP720C
TP777C
TP671C
TP650C
TP775C
TP675C
TP620C
TP754C
TP623C
TP624C
TP776C
TP922
TP696C
TP627C
TP643C
TP926
TP721C
TP674C
TP684C
TP753C
TP918
TP730C
TP935
TP659C
TP687C
TP925
TP712C
TP959
TP934
TP737C
TP660C
TP657C
TP692C
TP710C
TP661C
TP956
TP703C
TP666C
TP680C
TP743C
TP667C
TP653C
TP644C
TP745C
TP741C
18
23
20
17
22
19
24
21
NC
TP916
TP941
TP942
16V/0.22u
AG
TP773C
TP970C
TP971C
1
2
4
5
6
7
8
9
10
3
2
4
6
7
5
1
8
50V/22P
TP740C
TP733C
12
1
2
3
4
5
6
7
8
6
7
8
33
KX-NCP1173XJ
KX-NCP1173
XJ
SCHEMATIC DIAGRAM No.3 (4/4)
4/4
(c)
(d)
(e)
(f)
(7)
(8)
(9)
(10)
(11)
(12)
nRST
DOUT
C_CS0
FH
DCLK
CLK
UHW[0]
DTMFR[1]
BELL[1]
HOOK[2]
BELL[2]
DTMFR[2]
BELL[3]
VOUT[3]
VOUT[2]
VOUT[1]
DTMFR[3]
RD
VOUT[3]
DTL[3]
D1D
DTH[3]
D2D
BELL[3]
TD
HOOK[3]
DTMFR[3]
DHW[0]
EST[1]
EST[2]
DTMFR[1]
TOE[1]
EST[3]
EST[0]
TOE[0]
DTMFR[0]
DTMFR[2]
DTMFR[3]
TOE[2]
TOE[3]
DR[3]
D[1]
D[0]
D[2]
D[3]
HOOK[3]
EST[2]
EST[3]
C303
C_CS0
FH
CLK
DHW[0]
nRST
DCLK
DOUT
DIN
UHW[0]
L300
220
L301
220
RA303
10k
DR[0-3]
DTL[0-3],DTH[0-3]
5
SB3_0
6
SO3_1
7
S03_0
15
INT34
34
INT12
30
DRB
32
PCLK
31
FSC
20
DOUT
19
DIN
29
DXB
23
RESET
22
MCLK
17
CS
18
DCLK
4
SB3_1
1
SI3_1
2
SI3_0
3
SB3_2
9
SO4_1
8
S04_0
10
SB4_0
11
SB4_1
14
SI4_1
13
SI4_0
12
SB4_2
43
SO2_1
42
S02_0
33
CHCLK1
16
CHCLK2
28
TCB
27
DRA
26
DXA
25
TCA
53
Vout2
55
Vin2
60
Vout3
58
Vin3
62
Vout4
64
Vin4
C301
C304
U3D
C3D
C51D
50V/4.7u
C9D
ZNR52D
PTG
D55D
U3D
C7D
PT_CUR[3]
ZNR51D
U5D
Q57D
U52D
PTG
U5D
PTG
L2D
Q4D
C52D
C53D
D1D
U4D
PTG
C5D
PTG
U52D
C8D
Q1D
IC302D
RA1D
NC
Q2D
PTG
L1D
Q52D
D51D
SLTG
PTG
C11D
NC
SLTG
U4D
C4D
U1D
ZNR2D
ZNR1D
C55D
50V/10u
U1D
Q54D
Q51D
C10D
NC
C60D
C54D
IC302D
D54D
C56D
50V/10u
U2D
C59D
Q53D
C6D
PTG
PT_POW[3]
C2D
ZNR53D
D3D
U6CD
4
3
5
U2D
D2D
PTG
PTG
D52D
D4D
Vz5.6V
L203D
L204D
C410
10V/2.2u
J401
0
J402
NC
IC400
1
INP1
2
INM1
3
GS1
4
TEST1
5
INP2
6
INM2
7
GS2
8
VREF
9
INP3
10
INM3
11
GS3
12
TEST2
13
INP4
14
INM4
15
GS4
16
GTSEL1
17
GTSEL2
18
Vss
19
Vdd
20
OSC0
21
OSCI
22
CLKSEL
23
nREST
24
TOE1
25
TOE2
26
TOE3
27
TOE4
28
Q1
29
Q2
30
Q3
31
Q4
32
EST/STD1
33
EST/STD2
34
EST/STD3
35
EST/STD4
36
S/nESEL
C401
16V/0.1u
TOE[0-3]
C403
16V/0.1u
C408
50V/0.1u
C409
10V/1u
J400
0
FIL401
1
2
3
C407
16V/0.1u
C405
16V/0.1u
D[0-3]
nRST
T1D
RL52D
RL52D
RL52D
CLK
C61D
R58D
12K
R69D
56K F
R14D
NC
R6D
NC
R51D
1K 1W
R54D
6.8K
R2D
NC
R416
100K
R59D
22
1/4W
R3D
NC
R10D
NC
R63D
300 F
R412
100K
R61D
220
1/2W
R25D
NC
R417
NC
R405
100K
R7D
NC
R12D
NC
R15D
NC
R65D 100K F
R22D NC
R401
100K
R9D
NC
R304
100
R17D
NC
R11D
NC
R4D
NC
R64D
47K
R57D
12K
R21D
NC
R78D
NC
R23D
NC
R24D NC
R68D
10K
R418
10K
R60D
22
1/4W
R52D
33K
R312
10K
R26D
NC
R313
10K
R72D
22
R70D
56K F
R18D
NC
R71D 100K F
R75D
22
R55D
6.8K
R414
100K
R66D 100K F
R5D
NC
R74D
220
R1D
N
C
R13D
NC
R303
100
R27D
NC
R56D 15K
R410
100K
R53D 56K
R407
100K
R62D
220
1/2W
R67D 300 F
R8D
NC
R403
100K
R73D 100K F
R408
NC
R16D
10K
D56D
Vz47v
RA302
10k
C58D
6.3V/10u
C57D
6.3V/10u
b
b
m
m
+
-
D
D
F
E
H
G
7
68
11
10
9
16V/0.1u
1
2
3
4
2
3
4
5
6
7
8
+5V
+5V
16V/0.1u
16V/0.1u
TP924
TP943
TP950
TP930
TP933
TP946
TP938
TP928
TP953
TP919
TP955
TP936
TP951
TP931
TP952
TP940
TP932
TP949
TP939
TP944
TP923
TP920
TP957
TP947
TP948
TP954
TP927
TP958
1
6
2
NC
TP681D
TP684D
TP623D
AG
NC
31
TP657D
+5VPT
TP686D
TP780D
TP720D
1
2
1
2
4
3
5
NC
TP712D
TP697D
TP643D
4
3
5
E
C
B
TP675D
1
6
2
1
6
2
TP745D
DG
E
C
B
50V/0.01u
50V/0.01u
TP624D
TP709D
TP708D
TP776D
TP687D
4
3
5
NC
+15VPT
TP754D
4
3
5
+3.3V
TP710D
NC
TP620D
+15V
E
C
B
5
6
7
4
3
2
1
8
7
6
5
E
C
B
TP741D
TP730D
TP765D
E
C
B
1
2
DG
TP646D
TP737D
1
6
2
NC
1
6
2
TP667D
TP639D
25
TP635D
TP732D
TP777D
TP661D
4
3
5
E
C
B
TP674D
28
E
C
B
27
TP706D
50V/68P
TP616D
TP644D
FG
DG
25V/0.039u
TP629D
TP775D
TP660D
1
2
3
4
8
1
2
4
3
5
50V/68P
TP753D
TP653D
TP755D
26
E
C
B
+40V
TP631D
TP671D
NC
TP766D
+40V
+5V
TP715D
30
TP650D
TP659D
NC
TP694D
TP703D
1
6
2
TP731D
+40V
32
TP733D
TP696D
TP627D
29
TP692D
TP664D
TP743D
TP721D
TP716D
TP722D
TP666D
TP749D
FG
TP960
TP945
TP680D
AG
TP773D
TP970D
TP971D
TP12
DG
TP2
TP33
TP8
TP34
+3.3V
TP6
TP19
TP20
+3.3V
TP10
TP18
TP14
TP4
TP16
TP21
+3.3V
TP23
DG
TP17
TP35
TP22
DG
DG
1
2
4
5
6
7
8
9
10
3
2
4
6
7
5
1
8
50V/22P
TP740D
12
1
2
3
4
5
6
7
8
6
7
8
001:5H
002:9C;001:5C;004:L7
003:J8;001:5C;004:I8;004:L7
001:5C;004:L7
003:J8;002:10F;001:6A;004:I8;004:L7
001:5H;004:L7
001:5H;004:L7
001:5H;004:L7
002:4D;001:4C;004:L7
001:4G
001:3F,001:3F,001:3F,001:3F,001:3E,001:3E,001:3E,001:3E
001:8G,001:8G,001:3F,001:3F
002:11B;001:3C;004:J8
003:L7;002:10F;001:6A;004:I8;004:L7
003:L7;001:5C;004:I8;004:L7
DTMF Detection:3.3V
Normal:0V
34
KX-NCP1173XJ
10.5. No.4
KX-NCP1173
XJ
SCHEMATIC DIAGRAM No.4 (1/4)
1/4
(a)
(b)
(c)
(1)
(2)
(3)
(4)
(5)
(6)
+3.3V
+40V
TG
TG
E
C
B
4
3
5
E
C
B
1
6
2
1
6
2
FG
1
6
2
+40V
4
3
5
+15VPT
E
C
B
E
C
B
4
3
5
4
3
2
1
8
7
6
5
AG
+40V
E
C
B
E
C
B
NC
NC
NC
NC
NC
+5VPT
NC
1
2
FG
50V/68P
50V/68P
DG
DG
DG
5
6
7
1
2
3
4
8
+15V
1
6
2
4
3
5
1
6
2
4
3
5
+5V
TP773E
TP722E
TP721E
TP754E
TP664E
TP741E
TP710E
TP616E
TP780E
TP775E
TP703E
TP635E
TP715E
TP620E
TP667E
TP706E
TP675E
TP696E
TP631E
TP697E
TP692E
TP681E
TP650E
TP730E
TP639E
TP694E
TP671E
TP659E
TP687E
TP765E
TP708E
TP753E
TP627E
TP660E
TP643E
TP776E
TP749E
TP684E
TP674E
TP657E
TP629E
TP646E
TP737E
TP680E
TP766E
TP686E
TP709E
TP644E
TP743E
TP666E
TP712E
TP732E
TP731E
TP777E
TP716E
TP1019
TP745E
TP755E
AG
TP970E
TP971E
TP623E
TP624E
1
2
4
5
6
7
8
9
10
6
7
5
3
2
4
TP740E
50V/22P
TP733E
12
36
39
37
35
33
38
40
34
DTMFR[4]
HOOK[4]
DTH[4]
RE
TE
VOUT[4]
D2E
D1E
DR[4]
BELL[4]
DTL[4]
PT_POW[4]
PT_CUR[4]
U6EF
1
6
2
PTG
PTG
PTG
SLTG
PTG
PTG
PTG
PTG
PTG
Q53E
SLTG
PTG
U1E
Q4E
U1E
D1E
U2E
U3E
U3E
L1E
Q1E
Q2E
U2E
C55E
50V/10u
Q57E
Q52E
C6E
C7E
C5E
C4E
C9E
C8E
C56E
50V/10u
D51E
D54E
C51E
50V/4.7u
C60E
C59E
C10E
NC
C11E
NC
IC302E
IC302E
U4E
U4E
Q51E
Q54E
U52E
U52E
U5E
U5E
PTG
L2E
L203E
L204E
T1E
RL52E
RL52E
C61E
R24E NC
R78E
NC
R67E
300 F
R21E
NC
R1E
N
C
R65E 100K F
R55E
6.8K
R56E 15K
R51E
1K 1W
R22E NC
R71E 100K F
R58E
12K
R69E
56K F
R59E
22
1/4W
R53E
56K
R52E
33K
R60E
22
1/4W
R66E 100K F
R62E
220
1/2W
R54E
6.8K
R73E 100K F
R70E
56K F
R74E
220
R72E
22
R75E
22
R10E
NC
R13E
NC
R12E
NC
R15E
NC
R14E
NC
R11E
NC
R9E
NC
R17E
NC
R18E
NC
R23E
NC
R2E
NC
D56E
Vz47v
C58E
6.3V/10u
C57E
6.3V/10u
b
b
m
m
C
B
A
D
4
3
5
2
1
E
6
+
-
1
2
1
2
NC
1
2
50V/0.01u
25V/0.039u
50V/0.01u
1
6
2
4
3
5
E
C
B
E
C
B
TP653E
TP720E
TP661E
NC
1
8
D2E
ZNR1E
ZNR2E
RA1E
NC
D55E
C3E
D52E
ZNR51E
C53E
C54E
C52E
ZNR52E
D3E
ZNR53E
C2E
D4E
Vz5.6V
RL52E
R64E
47K
R4E
NC
R6E
NC
R27E
NC
R26E
NC
R57E
12K
R63E
300 F
R5E
NC
R61E
220
1/2W
R68E
10K
R8E
NC
R16E
10K
R25E
NC
R7E
NC
R3E
NC
2.5V
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