Panasonic KX-TSC11B, Service Manual

Page: 7 / 14

7
NC : No Components
KX-TSC11C SCHEMATIC DIAGRAM (Main P.C. Board)
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)
( ): No Battery
3.3V
(3.3V)
3.8V
(3.5V)
Batt Low Detection 3.8V
4.5V
( )
( )
( )
( )
( )
( )
( )
+ - - +
( )
( ) ( )
( ) ( )
( )
) (
( )
A B
( )
( )
( )
( )
( )
( )
( )
( )
( ) ( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
( )
AGC
LINE_SEIZER
ONHOOK: ON
OFFHOOK: ON
FSK/DTMF
D101
2
1 4
3
C1 250V1
R1
6.8K(1/2W)
C101
K680P(500V)
C102
K680P(500V)
D102
NC
C105
K0.012
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
R808
100K
Q802
C812
K0.033
R811
100K
Q801
R812 100K
IC803
2.7V
VCC VOUT
NC
GND
R814 100K
IC201
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 2
3 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
DTA144 R923
100K
D104 18V
R121 8.2M
R122
4.7M
Q110
IN-USE
R123
1M
SW101
5 6
1 3
R107 100K
R561
3.3M
R563
3.3M
D303
TP407
R564
22K
R565
22K
R918
NC
R917
NC
R551
27K
R552
27K
D106
Q105
C116
NC
R120 330K
C557
0.01U
C502
0.01u(500V)
C501
0.01u(500V)
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
6.3V47
C305
K0.1
R201 10K
R206
18K
R205
5.6K
R208
4.7K
R207 10K
R203
10K
R202
120K
R204
390K
C201
K0.047
C203
K2200P
C204
K0.047
C205
K0.22
D202
D203
C302 6.3V1000
SA101
300V
R508 NC
R504
NC
Q501
R510
NC
C507
NC
D504
R512
NC C505
NC
C511
NC
C506
NC
R501
NC
R505
NC
R513
NC
R509 NC
R511
NC
C510
NC
R516
NC
R506
NC
Q502
D501
D503
C513 NC
C508
NC
R515
NC
R502
NC
C512 NC
C509
NC
R507
NC
R503
NC
D502
R514
NC
NC
IC501
1
2
3
4 5
6
7
8
NC
D301
IC802
32K EEPROM
1
A0
2
A1
3
A2
4
VSS
5
SOA
6
SCK
7
WP
8
VCC
R566
NC
R567
NC
R562
NC
D107
25V
L1
NC
L2 NC
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
(15)
(16)
(17)
(18)
(19)
(20)
(21)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(29)
(30)
(31)
(32)
(33)
(34)
(35)
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(37)
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(39)