Panasonic CS-A123KR, Service Manual, Page: 123 / 124

0.01
µ
C10
10k
R15
R14
1k
1k
R12
R13
10k
C9
0.01
µ
150k
R34
X1
8MHz (27pF X 2)
16V
C19
0.01
µ
10
µ
C18
–
+
IC2
5
6
8
3
1 RS
D6
D1
R/B
CS
SK 4
Vcc GND 2 7
C14
0.1
µ
A52BR9020F
JX1
R24
10k
A55DC143XKTX
Q7
4.7k
10k
e
b
c
S1VD20
DB1
DC114EKTX
Q1
4.7k
10k
e
b
c
0.1
µ
C4
5.1k
R1
1.0k
R3
50V
1
µ
C5
–
+
T1
5 10
6 3
RELAY DRIVE
POWER CLOCK
GENERATOR
IC1
A52D0022G506
ANI1 ANI2 ANI3 ANI4 ANI5 ANI6 ANI7 A
Vss
VDO1 P25 P24 P23 SCK30 SO30 SI30 P36
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
29 28 27 26 25 30
P50
P51
P52
P53
P54
P55
P56
P57
Vss0
VDD0
P30
P31
P32
P33
P34
P35
P47 P46 P45 P44 P43 P42 P41 P40 P67 P66 P65 P64
BU
Z
P74 P73
T
O50
P71
P70
P03
P02
INTP1
INTP0
Vss
X1
X2
IC
XT1
XT2
RESET
AVdc
AVref
ANI0
330 R39
R38 330
330 R36
R37 330
R35 330
10k
R41
R45
10k
A55DC143XKTX
RELAY DRIVE
RELAY DRIVE
c
b
e
10k
4.7k
Q5
A55DC143XKTX
Q6
4.7k
10k
e
b
c
RELAY DRIVE SIGNAL
SSR1
DISPLAY
R
Y
-HO
T
SSR2
R
Y
-PWR
STEPPING MOTOR
DRIVE SIGNAL
B
UZZER
TIMER
SHORTEN
OPERATION
AUTO
PUMP-DOWN
POWER CLOCK INPUT
COMMAND INPUT
REMOTE CONTROL
8MHz
OSC
RESET
INT
AKE
AIR TEMP
PIPE
TEMP
POWER
GR
OUND
AND
A
U
T
O
REST
AR
T
RANDOM A
U
T
O
REST
AR
T
SIGNAL
RELA
Y
DRIVE
RY-M
RY-H
R
Y
-SHI
DEICE
DETECTION
+ –
~
~
SCHEMATIC DIAGRAM 2/3