Panasonic KX-TSC10EXB, Service Manual

Page: 42 / 44

3.3V
(3.3V)
3.8V
(3.5V)
4.5V
Batt Low Detection 3.8V
( ): No Battery
VOLTAGE CHECK (IC2)
MODE
PIN NO
1 7.69 32.0(AC)
2 8.77 23.1(AC)
3 8.41 23.1(AC)
4 8.75 23.1(AC)
5 8.34 24.3(AC)
6 0.05 0.70(AC)
7 9.35 23.2(AC)
8 9.20 14.9(AC)
(TALK) (BELL)
TX
SA101
300V
D101
4
3 1
2
C1
250V1
R1
1.8K(1/2W)
C101
K680P(500V)
C102
K680P(500V)
18V
D102
PC1
1 23
4
C105
K0.033
R112
2.2K
C106
16V47
R113
56
R114
15
D103 3.0V
Q108
R115
3.3K
R116
8.2K
C111 16V22
C107
6.3V220
C401
K0.1
D302
C502
K1500P(500V)
C501
K1500P(500V)
R401
10K
K0.01
C104
RINGERP
RINGERM
Q152
NC
Q151
NC
Q150
NC
R152
NC
R153
NC
R151
NC
C151
NC
BATTM
10K
R7
1K R6 SW1
4
1
2
3
Q111
R126
100K
R303
1M
R301
1M
R509
27K
Q501
D504
R510
390K
Q502
R505
330K
R516
220K
D503
A
B
IC501
1
2
3
4 5
6
7
8
R506
2.2K
R513
1M
R517
1M
C115
K0.01
R507
330K
D502
R504
470K
R511
1M
R512
100K
C108
K1000P
D554
R552
100K
D553
C551 K0.01
C552 K0.01
D551
R551
100K
D552
R108 1.5M
C506
K2200P
C507
K0.1
C304
6.3V220
J101
Q102
100K R105
Q104
3.3K
R106
68K
R104
Q103
R107
100K
J102
R154 NC
R502
330K
R503
470K
C503
K470P
C504
K470P
Q105
S
D
G
C301
K0.1
D303
R302 4.7M R304 4.7M
L101
100u
L102
100u
IC301
1
VOUT
2
VDD
3
VSS
4
NC
5
NC
R515
10K
C508
K0.1
C303
K0.1
C103 K0.01
D501
R501
330K
R508 3.3M
C505
68P
BATTP
C302
6.3V1000
R514
47K
C2
50V10
IC2
1
L
2
GND
3 45
OUT
6 7 8
L
R2
22K
C3
K0.056
R121
8.2M
IN-USE/
Q110
R122
3.3M
18V
D104
R123
1M
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
C509
K0.1
C113
NC NC
D105
D301
JJ101
4 A
3 TIP
2 RING
1 B
TP101
SW101_2
HOOK
SW101_1
CN101
CN201
POS101
0
TP102
R118
NC
R119
0
R9
10K
C9
0.01
IC302
1
VIN
2
VSS
3
NC
4
NC
5
VOUT
NC
R556
NC
C556
NC
C557
D911
D912
D913
D914
LINE-DET1
Q910
R911
NC
R912
NC
NC
R913
CN303(KPN)
CN301 (KPN)
CN302 (KPN)
CN304(KPN)
C110
K0.056
R117
33K
TBR
AGC
LINE_SEIZER
ONHOOK ON
OFFHOOK ON
FSK/DTMF
LNE-DET2
TX
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(9)
(10)
(16)
(17)
(18)
(19)
(20)
(21)
(11)
(12)
(13~15)
(8)