Read Panasonic KX-TS2351RUB / KX-TS2351RUW Service Manual online
3.3V
(3.3V)
3.8V
(3.5V)
4.5V
Batt Low Detection 3.8V
VOLTAGE CHECK (IC1)
MODE
PIN No.
1
7.65
32.0(AC)
2
8.72
23.0(AC)
3
8.39
23.0(AC)
4
8.73
23.0(AC)
5
8.31
24.3(AC)
6
0.05
0.70(AC)
7
9.35
23.2(AC)
8
9.20
14.9(AC)
(TALK)
(BELL)
( ): No Battery
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(19)
(18)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
(35)
(37)
(36)
SA101
300V
D101
2
1
4
3
C1
250V1
R1
1.8K (1/2W)
C101
K680P (500V)
C102
K680P (500V)
18V
D102
C105
K0.018
R112
3.3K
C106
16V47
R113
56
R114
15
Q108
R115
1.2K
R116
12K
C111
16V10
C107
6.3V220
C401
K0.1
Q401
R404
56
R403
3.9K
C403
K1000P
R402
4.7M
D302
R401
10K
K0.01
C104
C402
J470P
Q111
R126
100K
R303
1M
C115
K0.01
C108
K1000P
D554
D553
D551
D552
R108
470K
C304
6.3V1000
Q102
100K
R105
Q104
2.7K
R106
390K
R104
C301
K0.1
C110
NC
R304
4.7M
L101
100u
L102
100u
1
VOUT
2
VDD
3
VSS
4
NC
5
NC
C303
K0.1
C103
K0.01
R103
470K
R161
0
TP101
POS101
TP102
R118
NC
R119
100
1
VIN
2
VSS
3
NC
4
NC
5
VOUT
TP6
TP4
R807
100K
TP5
R808
100K
Q802
K0.033
C812
22K
R813
100K
R811
Q801
100K
R812
R814
100K
R916
56K
D915
NC
R922
R302
4.7M
R301
1M
R520
1M
C2
50V10
R2
22K
C3
K0.056
RINGERM
JJ101
1
Ring
2
TIP
TP7
TP8
BATTP
J2
BATTM
J3
J4
J1
Q912
R923
100K
18V
D104
R121
4.7M
R122
3.3M
IN-USE
Q110
R123
1M
SW101
5
6
1
3
TP9
TP3
TP2
TP1
R107
1M
D303
TP407
Q105
C116
NC
C501
0.01u (500V)
C502
0.01u (500V)
R120
330k
C557
K0.01
R917
8.2M
R918
3.3M
RINGERP
T1
3
4
5
1
2
R5
Z0.1
PC1
1
23
4
C5
16V10
Q2
150mH
L1
R13
2.7K
Q1
Q5
Q6
R14
100K
R15
18K
C504
K0.01
K0.01
C503
K0.01
K0.01
C512
1500P
R514
47K
R516
220K
R509
27K
D502
R513
1M
C508
K0.1
R507
330K
D503
Q502
R508
3.3M
Q501
D501
R502
180K
180K
C513
1500P
R510
390K
C506
K2200P
R505
330K
R506
1.2K
C505
68P
D504
A
B
1
2
3
4
5
6
7
8
R512
100K
R511
1M
R515
10K
C507
K0.1
R501
180K
C509
K0.1
D301
2.7V
VCC
VOUT
NC
GND
Q106
Q107
D106
R111
10K
R110
4.7K
R109
100K
J101
Q103
C201
K0.047
R201
10K
+
-
- +
1
2
3
GND
4
5
6
7
8
VCC
C205
K0.47
D202
R208
4.7K
R202
120K
R203
33K
R207
10K
C204
K0.047
R204
390K
C203
K2200P
R205
5.6K
R206
18K
R562
NC
NC
1
L
2
GND
3
4
5
OUT
6
7
8
L
R561
3.3M
R563
3.3M
3.3M
C510
K820P
R503
150K
C511
K820P
R504
150K
D103
5.1V
R117
3.3K
0
R6
R8
68k
15K
R7
SW1
6
8
7
9
9
10
R9 100
C6
16V47
C202
6.3V47
C305
K0.1
C302
6.3V1000
32K EEPROM
1
A0
2
A1
3
A2
4
VSS
5
SOA
6
SCK
7
WP
8
VCC
R551
27K
R552
27K
R564
22K
R565
22K
JP002
JP005
D203
LINE_SEIZER
ONHOOK: ON
OFFHOOK: ON
FSK/DTMF
IC501
IC301
IC1
IC302
IC802
IC803
IC201
KX-TS2351 SCHEMATIC DIAGRAM
NC: No Components
47
KX-TS2351RUB / KX-TS2351RUW
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