Panasonic CS-A73KR Service Manual page 123

SCHEMATIC DIAGRAM 2/3
16 15 14 13 12
P50
SSR1
1
2 P51
RELAY DRIVE SIGNAL
R35 330
P52
3
R36 330
P53
4
R37 330
P54
5 DISPLAY
R38 330
P55
6
R39 330
P56
7
8 P57
9 Vss0
10 VDD0
11 P30
12 P31
13 P32
14 P33
P34
15 RY-M
P35
16 RY-H
17 18 19 20 21
IC2
A52BR9020F
1 R/B RS 8
2 Vcc GND 7
C14
0.1µ
3 CS D6 6
4 SK D1 5
11 10 9 8 7 6 5 4 3
TIMER
STEPPING MOTOR
SHORTEN
DRIVE SIGNAL
AUTO
OPERATION
PUMP-DOWN
POWER CLOCK INPUT
REMOTE CONTROL
COMMAND INPUT
IC1
A52D0022G506
RESET
POWER
22 23 24 25 26 27 28 29 30
R24
10k
JX1
R45
10k
b
4.7k
10k
R41
10k
Q5
A55DC143XKTX
RELAY DRIVE
2 1
P71
48
P70
47
P03
46
P02
45
INTP1
44
INTP0 43
X1
8MHz (27pF X 2)
Vss 42
X1
41
8MHz R34
OSC 150k
X2
40
IC 39
XT1 38
XT2 37
RESET
36
AVdc 35
AVref
34
ANI0 33
31 32
C18
+
C19
10µ
0.01µ
–
16V
c
b
4.7k
10k
c
e
Q6
A55DC143XKTX
RELAY DRIVE
e
c
b
4.7k
10k
e
Q7
A55DC143XKTX
RELAY DRIVE
DB1
S1VD20
T1
~
5 10
– +
3 6
~
R1
5.1k
C4
0.1µ
Q1
DC114EKTX
POWER CLOCK
c
GENERATOR
b
4.7k
10k
e
R3
1.0k
C5
+
1µ
–
50V
R12
R13 C9
1k
10k 0.01µ
R14
R15 C10
1k
10k 0.01µ