Panasonic KX-TSC11MXB Service Manual page 45

(1)
(2)
(3)
RINGERP
(4)
C402
RINGERM
220P
R118
(5)
Q401
NC
R401
C110 R119
10K
C403
NC
0
D105
K1000P R115
(6)
1K
NC
(7)
R116
15K
Q108
(8)
R113
C108
K1000P
(9)
TP407
(10)
(11)
(12)
(13)
(14)
(15)
C203
(16)
NC
NC
8
VCC
R204
7
NC
6
(17)
5
R208 D202
(18)
NC
NC
R203 NC
(19)
TP7
(20)
TP8
IC802
R807
1 8
A0 VCC
100K
TP5
2 7
A1 WP
3 6
A2 SCK TP4
4 5
VSS SOA
(21)
(22)
32K EEPROM
Q802
(23)
R814 100K
(24)
(25)
(26)
(27)
(28)
(29)
Q912
R923
(30)
R813
100K Q801
C812
22K
VOUT
K0.033
(31)
(32)
(33)
(34)
R564 R551
(35)
47k 56K
(36)
R565
47k
(37)
R552
(38)
56K
(39)
R6 1K
SW1
4
1 R7 10K
3
PC1
2
R8 NC
C401
K0.1
Q106
56
NC
D106
Q107
R111
NC
NC
LINE_SEIZER
IC201
1
2
- + +-
3
(
4
GND
3.3V
(3.3V)
5 VOUT
TP6
4 NC
IC803
2.7V
R515
Q502
VCC
10K
R561
C503
3.3M
K0.01
R562
C504
NC
K0.01
FSK/DTMF
R567
R566
R563
NC
NC
3.3M
C1 250V1
SW101
ONHOOK: ON
5
1
OFFHOOK: ON
Q102
R161
0
R162
NC
Q181 Q103
AGC
Q104
J101
Q105
R916 56K
D915
Q111
IN-USE
Q110
): No Battery
3.8V
(3.5V)
IC302 Batt Low Detection 3.8V
D302
1
VIN
2
VSS 3 VSS
3
NC 2 VDD
1 VOUT
8
7
6
Q501
5
R514
47K
KX-TSC11MXB/MXW SCHEMATIC DIAGRAM
45
KX-TSC11MXB / KX-TSC11MXW
VOLTAGE CHECK (IC2)
MODE
(TALK) (BELL)
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)
6
3
TP101
C101
L101
K680P(500V)
100u
D101
1 4
2 3
C102
K680P(500V)
BATTP
NC
4
4.5V
NC
5
IC301
BATTM
IC501
1
C512
R501
2
B A
180K 1500P
3
R502
C513
4
180K 1500P
NC: No Components
JJ101
2 TIP
1 Ring
TP102
J1
J2
J3
J4