Read Panasonic KX-NCP1173XJ (serv.man2) Service Manual 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
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