Sharp R-508HS, Service Manual

Page: 20 / 27

18
R-508HS
6 4 5
1
2
3
6 4 5
1 2 3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-3. Control Unit Circuit
R7
4
- R78:2
7
0Kx5
C6
0
- C
64:3
3
0p
F/5
0
Vx
5
OVEN LAMP TURNTABLE MOTOR FAN MOTOR
POWER TRANSFOR
MER
DOO
R
SENSI
NG
SWITCH
G10 G11
G12 G13
G9
G
8
G
7
G
6
G
5
G
4
G
3
G
2
G
1
NO
NO B-
1
B-
2
C
1
R
3
C2
R
2
2SA933AS
R
5
Q2
R6
3.3K
1/4W
10
u/35
V
C
5
D
5D
6
27
1/4
W
R
4
51
0
1/2
W
(J1)
VRS1
10G47
1K
-5
V
IN
T
BZ
M
D1 - D4
22
00uF
25 V
A
N
5
A
N
6
P2 0
P2 1
P2 2
P2 3
P2 4
P2 5
P2
6
P2
7
A
N
7
IC
1
BL
NL
CF
1
1
2
4
2
5
4
0
4
1
6
4
6
5
8
0
P
O
P
C
O
R
N
9 3 6
2
5 8 0
1
4 7
T
IM
E
R
C
L
O
C
K
C
O
O
K
S
T
A
R
T
S
T
O
P
C
L
E
A
R
*
*
*
*
W
h
e
n
d
o
o
r
is
c
lo
s
e
,
K
e
y
c
a
n
b
e
o
p
e
ra
te
d
.
LIQUID CRYSTAL DISPLAY
NO.
LBS.
CUP
S
KG OZ.
COOK
SENSOR
DEFROST
AUTO%
V
L
2
V
L
1
A
N
7
A
N
6
A
N
5
A
N
4
A
N
3
A
N
2
A
N
1
A
N
0
P
5
7
P
5
6
P
5
5
C
N
T
R
0
P
5
3
P
5
2
P
5
1
P
5
0
P
4
7
P
4
6
P
4
5
P
4
4
P
4
3
IN
T
0
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
1
8
S
E
G
1
9
S
E
G
2
0
S
E
G
2
1
S
E
G
2
2
S
E
G
2
3
S
E
G
2
4
S
E
G
2
5
P
1
2
P
1
3
P
1
4
P
1
5
P
1
6
P
1
7
P41
P40
RE SE T
P71
P70
XIN
XO UT
VS S
P27
P26
P25
P24
P23
P22
P21
P20
VL3
CO M0
CO
M1
CO M2
CO M3
AV
SS
VR EF
VC C
SE G0
SE G1
SE G2
SE G3
SE G4
SE G5
SE G6
SE G7
C
ST
4.00
M
G
W
R67
15K
R66
15K
R65
15K
R64
15K
R63
15K
R62
15K
R61
15K
R60
15K
R80
1M
R
11
0
15
K
(G
)
(F
)
P
O
W
E
R
L
E
V
E
L
C
L
E
A
R
KEY UNIT
D
E
F
R
O
S
T
M
IN
U
T
E
P
L
U
S
R
E
H
E
A
T
R78
R77
R76
R75
R74
C64
C63
C62
C61
C60
R
68
15K R
69
15
K
R
70
15
K
R
7
1
15
K
R
72
15
K
P
7
0
P
7
1
P
4
1
P
4
5
(G
)
CPU UNIT
R41 15
K
R40
4.7K
C4
00.0 1uF 25V
POWER U
NIT
DO
OR
CO
M
Q
2
0
D
T
A14
3EKA
Q
4
D
T
A123
J
S
Q
3
D
TD
14
3ES
SP1
Q
30
D
TA1
43EK
A
C
2
0
0.1u
F
50
V
(F
)
1SS270A x2
4.7K 1/4W
JU
M
PER
W
IER
C10
47uF/1 6V
1N4002x4
W
H-1
W
H-1
1 2
LD4 LD3 LD2 LD1
AC(N)
C
O
M
C
O
M
AC(
H)
a
b
d
c
T1
P
A
1
5
1
D
R
D
30
1
SS
27
0A
D
31
1
SS
27
0A
RY
2
DU
12
D1
-1P(M
)-R
R
Y
1
D
U
12D1-1P(M
)-R
D7
1S
S27 0A
D8
1S S27 0A
GND
C11
0.1 uF/50V
C12
0.1uF50V
Q
11
DTA14
3EKA
R12
15K
C13
0.01uF25V
R10
1K
ZD10
UDZ4.3B
Q10
2SA1037AK
C14
R11
15K
0.01uF25V
(J10)
(J11)
G
N
D
R
13
10
K
R
14
10
K
R
15
10
K
(J12)
3.6K
A
N
4
(J15)
20K
(J17)
4.7K
(J13)
4.7K
4.7K
(J16)
(J14)
4.7K
CO M0
CO M1
CO
M2
CO
M3
CO M2
CO M1
SE G21
SE
G20
SE G19
SE G18
SE
G17
SE G16
SE G15
SE
G14
SE G13
SE G12
SE
G11
SE G10
SE G9
SE G8
SE G7
SE G6
SE G5
SE G4
SE G3
SE G2
SE G1
SE G0
:I
F NOT
SPECIFI
ED
1/10W
±
5%
NOTE
0
.1uF
50V