Panasonic KX-FT21BX Service Manual page 15

1 2 3
A
B
TH101
C
D102 D101
D103 D104
D109
R105
D
0.22/2
C102 0.1
R102
R123
C104
C103
E 2200p 2200p
C121
4700p
L101
ZNR101
F 750V
R101
1M 1/2
C101
GND
0.22
G
L N
CN31
H
KX-FT21BX/KX-FT21BX-W
SCHEMATIC DIAGRAM (ANALOG CIRCUIT)
4 5
12V
Cycle=13 s m
0V
D105
G
Q101
82K R103 82K
220 R122 390
R133
150K
4 5
R125
D108
D107 10K
3 6
IC101
2 7
1 8
R127 C124
1.8K 0.1
20V
PC101
36V
KX-FT21BX/KX-FT21BX-W
(Change from original page 158)
6 7 8
540V
Cycle=13 s m
T101
TRANS
D201
C202
D 1000p/1K
S
D202
R108
15
11V
Cycle=13 s m
0V
19V
-15-
9 10 11
0V
1
2
3
R223 C205
4
100 1/50
5
IC201
6
7
8
IC202
25V
Cycle=13 s m
0V
0V
48V
12
CN301
24V
24V
24V
GND
GND
GND
5V
GND