Sharp R-222T Carousel, Service Manual

Page: 28 / 36

R-222T(W)
12 – 3
[3] Control Unit Circuit (Figure S-2)
Figure S-2. Control Unit Circuit
S
E
G
14
AIN1
AIN0
SEG0
P20
VLC2
VLC1
VLC0
CAPL
CAPH
P
70
A
IN
5
P03
COM0
IC-1
A
IN
2
A
IN
3
A
IN
4
S
E
G
13
S
E
G
12
S
E
G
11
S
E
G
10
S
E
G
9
S
E
G
8
S
E
G
7
P11
P10
P33
P32
P31
INTP0
P26
P25
AVSS
P24
P23
P22
BZO90
1
48
32
49
64
16
33
B2
COM
NO
A3
R
Y
1
R
Y
2
Q
21
D
TD
14
3E
S
C21
10u F/3 5V
+
-
D
40
Q
22
SP1
C2
470 uF/ 25V
+
-
0.1 uF/ 50V
+
-
C8
220 uF/ 10V
ZD 1
UD Z4. 3B
C10
0.1 uF/ 50V
R5
Q1 2S
A1
03
7A
K
R6
15K
15K 12K
C4
0.0 1uF /50 V
Q
10
D
TA
14
3E
KA
R10
15K
C11
0.0 1uF /50 V
1K
C1
Q
20
D
TA
14
3E
K
A
C
20
0.
1u
F
/5
0V
R
41
15
K
R40
4.7 K
O
V
E
N
LA
M
P
TU
R
N
TA
B
LE
M
O
TO
R
FA
N
M
O
TO
R
P
O
W
E
R
TR
A
N
S
FO
R
M
E
R
2N
D
.
IN
TE
R
LO
C
K
R
E
LA
Y
C
O
N
TR
O
L
S
W
TC
H
VR S1
T1
D
1
D
2
D
3
D
4
D
1
-D
4
1N
40
02
L
X
4
SE G1
SE G3
SE G2
SE G4
SE G5
SE G6
SE G7
SE G8
SE G9
SE G10
SE G11
SE G12
CO M2
CO M1
CO M0
B1
D
O
O
R
-5
V
INT
BZ
COM
M
C40
G
N
D
R
4
91
0
1/
2W
C
N
-B
A
C
A
C
AC
23
0
-2
40
V
50
H
Z
G4
G
5
G
6
G
1
<
LS
IU
N
IT
>
(J1 )
DTA
123
JS
G8 G9
G
10
G
2
G3
G7
V
R
R30
3.3 K
0.0 1uF
50V
<
K
E
Y
U
N
IT
>
COM1
COM2
COM3
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
P
71
P
72
A
V
D
D
P01 P00 RESET X2 X1 VSS VDD XT2 XT1
IC P53 P52 P51 P50
P02
17
R
50
R
51
R7 R8 R9
C3
R
52
R
53
C
50
C
51
C
52
C
53
0.
1u
F
50
V
4.7 K 4.7 K 4.7 K
C
50
-C
53
33
0P
/5
0V
x
4
R
50
-R
53
22
0K
x
4
<
P
O
W
E
R
U
N
IT
>
R
60
11
K
F
C
60
22
pF
/5
0V
Q
30
D
TA
14
3E
KA
A1
C
N
-A
10G 471 K
(J1 2)
(J1 0)
(J1 4)
(J1 1)
(J1 3)
(J1 5)
AIN 3
AIN 4
AIN 5
M
C
28
36
D20
M
C
28
36
6 3 9
TIMER CLOCK
2 5 0 8
4 1 7
IN
ST
AN
T
CO
O
K
1 3
7
4
EASY
DEFROST
FROZEN
VE
G
ET
AB
LE
S
JACKET POTATO
BEVERAGE
DINNER PLATE
POWER LEVEL
EXPRESS DEFROST
FRESH
VE
G
ET
AB
LE
S
STOP CLEAR
START
LIQUI
D
CRYSTA
L
DISPLAY
d c
a
b