Panasonic KX-FT21BX Service Manual page 171

R6
C7
+5VA
IC2
5
R13
2
1
3
C5
4
R11 C10
+2.0V
R7
Analog Board
Digital Board
IC6
CN1(10) CN2(10)
10 11
Circuit Diagram
T1
C14
6 1
5 4
R33
C43
To IC5
R24
4
5
RLY1
+5VD
C35
4 1
3 2
R37
J9
J7
J8
POS1
3
R36
J5
J6
+24V
CN1
Q3
CN4
a
4
3 b
CN5
4
a1
3
b1