Panasonic KX-TSC11B, Service Manual

Page: 9 / 14

9
NC : No Components
KX-TSC11MXB/MXW SCHEMATIC DIAGRAM
( ): No Battery
3.3V
(3.3V)
3.8V
(3.5V)
Batt Low Detection 3.8V
4.5V
VOLTAGE CHECK (IC2)
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)
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
+ - - +
( )
SA101
300V
D101
2
1 4
3
250V1 C1
R1
6.8K(1/2W)
C101
K680P(500V)
C102
K680P(500V)
D102
NC
C105
K
0.012
R113
56
R114
15
D103
5.1V
Q108
R115
1K
R116
15K
C401
K0.1
Q401
R404
56
R403
3.9K
C403
K1000P
R402 4.7M
R401
10K
C104
K0.01
C402
220P
Q111
R303
1M
C115 K0.01
C108
K1000P
D554
D551
D553
D552
R108 470K
J101
Q102
R105
100K
Q104
R106 4.7K
R104
68K
Q103
C301
K0.1
C110
NC
R304
4.7M
L101
0
L102
0
IC301
1
VOUT
2
VDD
3
VSS
4
NC
5
NC
C303
K0.1
C103 K0.01
R111
NC
R110
NC
R109
NC
Q107
NC
Q106
NC R103
470K
R162
NC
C161
NC
R164
NC
R165
NC
R161
0
Q181
R163
NC
C113
NC
NC
D105
TP101
POS101
TP102
R118
NC
R119
0
IC302
1
VIN
2
VSS
3
NC
4
NC
5
VOUT
C556
NC
TP6
TP4
R807
100K
TP5
IC802
32K EEPROM
1
A0
2
A1
3
A2
4
VSS
5
SOA
6
SCK
7
WP
8
VCC
R808 100K
Q802
C812
K0.033
R811
100K
Q801
R812
100K
IC803
2.7V
VCC VOUT
NC
GND
R814 100K
IC201
NC
1
2
3
4 GND 5
6
7
8 VCC
R916 56K
D915
NC
R922
R302
4.7M
R301
1M
R520
1M
R7 10K
22K
R2
R9
10K
PC1
1 23
4
IC2
1
L
2
GND
3 45
OUT
6 7 8
L
R6 1K
C9
0.01
K0.056
C3
SW1
1
4
3
2
RINGERP
RINGERM
NC R8
JJ101
1
2
Ring
TIP
TP7
TP8
BATTP
J2
BATTM
J3
J4
J1
Q912
R923
100K
D104
18V
R121
4.7M
R122
3.3M
Q110
IN-USE
R123
1M
SW101
5 6
1 3
R107
100K
R561
3.3M
R563
3.3M
D303
TP407
R564
10K
R565
10K
R918
NC
R917
NC
R551
15K
R552
15K
D106
Q105
C116
NC
R120
330K
C557
0.01U
R508
3.3M
R515
10K
D503
R511
1M
R507 330K
R512
100K
C508
K0.1
IC501
1
2
3
4 5
6
7
8
C507
K0.1
Q502
D501
C509
K0.1
Q501
R504
150K
R503
150K
R510
390K
R513
1M
R506
1.2K
R509
27K
C506
K2200P
R514
47K
D502
D504
R505 330K
R516 220K
C511
K820P
C510
K820P
C505
68P
D301
R501
180K
R502
180K
C512 1500P
C513 1500P
C502
0.01u(500V)
C501
0.01u(500V)
R562
NC
R566
NC
R567
NC
C106
16V47
C111
16V10
50V10
C2
C304 6.3V1000
C503
K0.1
C504
K0.1
D302
R112
1.5K
R126
100K
R813
22K
PCB
R117
NC
C107
6.3V220
C202
NC
C305
K0.1
R201
NC
R206
NC
R205
NC
R208
NC
R207
NC
R203 NC
R202
NC
R204
NC
C201
NC
C203 NC
C204
NC
C205
NC
D202
NC
D203
NC
C302
6.3V1000
D107
25V
L1
NC
L2
NC
( )
( )
( )
( )
( )
A B
( )
( )
( )
( )
AGC
LINE_SEIZER
OFFHOOK: ON
ONHOOK: ON
FSK/DTMF
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
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(22)
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(27)
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(30)
(31)
(32)
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(39)