Sharp R-90GCK (serv.man17) Service Manual ▷ View online
35
R-90GCK
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
3
4
5
6
1
2
3
4
5
6
Figure S-1. Pictorial Diagram
TURNTABLE
MOTOR
TOUCH CONTROL
TRANSFORMER
CONVECTION
MOTOR
CAPACITOR
RY1
BLK
GRN
RED
BRN
RED
DAMPER
MOTOR
WH-B
WH-A
WH-C
FAN MOTOR
(Magnetron side)
PRIMARY
INTERLOCK
RELAY
TOP HEATER
THERMAL
CUT-OUT
to POWER UNIT
from
CPU UNIT
MAGNETRON
TEMPERATURE
FUSE
GRY
CN-A
CN-B
N.O.
COM
COM
CN-B
CN-A
SECONDARY
INTERLOCK
SWITCH
MONITORED
LATCH
SWITCH
CPU UNIT
HIGH VOLTAGE
COMPONENTS
POWER UNIT
SIDE
HEATING
ELEMENT
TOP
HEATING
ELEMENT
MONITOR
SWITCH
CONVECTION
MOTOR
THERMISTOR
SOLID-STATE
RELAY
(Magnetron side)
OVEN LAMP
N.O.
COM
N.O.
FUSE F10A
MAGNETRON
HIGH
VOLTAGE
FUSE
HIGH VOLTAGE
CAPACITOR
HIGH VOLTAGE
RECTIFIER
HIGH VOLTAGE
TRANSFORMER
BLK
BLK
WHT
WHT
WHT
CN-G
CN-G
RED
RED
O
R
G
R
E
D
O
R
G
R
E
D
R
E
D
B
L
K
B
L
K
R
E
D
R
E
D
B L K
R E D
O R GO
R
G
B R N
DOOR SENSING SWITCH
PRIMARY
INTERLOCK
RELAY
CONTROL
SWITCH
3RD. LATCH
SWITCH
G R N
G R N
BRN
RED
COM
N.C.
BLK
ORG
RED
YLW
WHT
8
7
6
5
4
3
2
1
BLU
BRN
1
1
13
1
9
6
CN-E
1
5
CN-C
CN-C
CN-H
CN-H
COM.
CN-D
1
4
1
43
2
1
8
BLU
BRN
DAMPER
SWITCH
COM
N.O.
GRY
GRY
WHT
GRY
WHT
BLK
W
H
T
G
R
Y
G
R
Y
G
R
Y
O
R
G
BLK
WHT
1
2
3
4
5
6
RED
GRN
BLU
BRN
CN-E
BLK
1
2
3
4
5
RED
ORG
CN-D
BLU
GRN
WHT
8
9
7
6
5
4
3
2
1
BRN
GRY
RY2
COM.
GRY
GRN
RED
RED
11
3
1
7
1
6
RED
WHT
WHT
BLK
WHT
GRY
ORG
ORG
FAN MOTOR
(H.V. transformer side)
1
1
2
2
3
4
BRN
BRN
BRN
1
2
3
ORG
SOLID-STATE
RELAY
(Side heating
element side)
1
2
3
4
WHT
ORG
ORG
BRN
RED
1
2
3
BLK
WHT
BLK
1
2
3
RED
WHT
BLK
RED
WHT
BLU
RED
BLK
ORG
GRY
WHT
WH-C
1
6
GRY
SIDE
HEATER
THERMAL
CUT-OUT
POWER
SUPPLY
CORD
WHT
NL
RED
BLU
BRN
LIVE
NEUTRAL
G
Y
NOISE FILTER AND FUSE 20A
36
R-90GCK
Figure S-2. Power Unitl Circuit
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
3
4
5
6
1
2
3
4
5
6
A-8
A-6
A-3
C-1
C-2
C-3
C-4
COM
D-9
E-3
B-2
B-1
E-1
D5
A-1
D-3
D-5
E-5
A-4
G-3
G-4
G-5
B-3
B-4
A-2
H-6
G-1
B-6
B-5
H-2
H-7
H-5
H-4
H-3
H-1
H-8
H-9
H-10
G-7
G-6
H-11
H-12
H-13
C55
C7
C8
C9
D1
D2
D3
D4
VRS
1
R6
D20
D21
D10
D11
D12
D13
D14
D15
RY1
RY2
RY3
RY4
RY5
RY6
SSR
SSR
Q19
C11
SP
1
R10
R11
3.3K 1
/4W
+
-
+
+
<NOTE>
1.5K 1/4W
: IF NOT SPECIFIED 1SS133
10G
4
7
1
K
10u
/5
0
V
-
-
10
00u
/35V
100u
6.8 1W
10V
DTD143ES
0.1u
/5
0
V
+
+
-
-
COM
NO
D1-D4 1N4002L x4
T1
FUSE1
G-2
D-1
(J1)
D-7
C4
0.01
u
/5
0
Q2
DTA143ES
C50
ZD6
HZ20-1
Q3
2SB1238
0.01u/50V
C51
0.01u/50V
D16
D17
D18
R16
R17
R18
150 1/2W
3.3K 1/4W
3.3K 1/4W
R19
1.
5
K
1/
4
W
C
I
O
Q5
R5 300
1W
0.1u
/5
0
V
1N5817
OVEN LAMP
TURNTABLE
MOTOR
TURNTABLE
MOTOR
TURN
OVER
OVER
TURN
OVER
OVER
FAN
MOTOR
MOTOR
FAN
MOTOR
MOTOR
DAMPER
MOTOR
MOTOR
DAMPER
MOTOR
MOTOR
DAMPER
SWITCH
SWITCH
CONVECTION
MOTOR
MOTOR
CONVECTION
MOTOR
MOTOR
COM
WATCH
DOOR (B)
DOOR (A)
HIGH VOLTAGE
TRANSFORMER
TRANSFORMER
HIGH VOLTAGE
TRANSFORMER
TRANSFORMER
SIDE
HEATING
ELEMENT
HEATING
ELEMENT
SIDE
HEATING
ELEMENT
HEATING
ELEMENT
VN
VF
VEE
VC
VS
INT
BZ
TOP
HEATING
ELEMENT
HEATING
ELEMENT
TOP
HEATING
ELEMENT
HEATING
ELEMENT
DOOR
SENSING
SWITCH
SENSING
SWITCH
DAMPER
SWITCH
SWITCH
THER-
MISTOR
MISTOR
THER-
MISTOR
MISTOR
AC230 - 240V
/50Hz
/50Hz
KIA79L05P
NO
3.3K 1/4W
R7
1.5K 1/4W
37
R-90GCK
Figure S-3. CPU Unit Circuit
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
3
4
5
6
1
2
3
4
5
6
[NOTE]
3 4
1 2
5
7
8
8
CLOCK SET
SW27
info
SW26
KITCHEN
TIMER
SW28
STOP/CLEAR
SW29
10SEC
SW23
START
SW30
POWER LEVEL
SW24
CONV.
SW22
MICRO AUTO
COOK
SW3
AUTO
DEFROST
SW4
SW1
SW2
SW8
1min
SW19
GRILL
SW20
DUAL2
SW18
SW14
BASIC COOK
SW10
SW9
RECIPES
SW11
SW13
MENU
SW12
DUAL1
SW16
10min
SW15
:IF NOT SPECIFIED 1/4W
+
5%
:IF NOT SPECIFIED 1SS270A
:IF NOT SPECIFIED 0.01uF/16V
:IF NOT SPECIFIED DTA143ES
or KRA101M
_
6
AN
5
AN
4
AN
3
AN
2
AN
1
AN
0
A
N15
A
N14
A
N13
A
N12
A
N11
A
N10
AN
9
AN
8
P83
P82
P81
P80
CN
V
s
s
RESET
VS
S
Xi
n
X
out
VCC
P77
P76
P75
P74
P73
P72
P71
P70
P67
P66
P65
P64
FLD5
1
FLD5
0
FLD4
9
FLD4
8
FLD4
7
FLD4
6
FLD4
5
FLD4
4
FLD4
3
FLD4
2
FLD4
1
FLD4
0
FLD3
9
FLD3
8
FLD
37
FLD
36
FLD
35
FLD
34
FLD
33
FLD
32
FLD
31
FLD
30
FLD
29
FLD
28
FLD
27
FLD
26
FLD
25
FLD
24
FLD
23
FLD
22
FLD
21
FLD
20
FLD
19
FLD
18
FLD
17
FLD
16
FLD
15
FLD
14
FLD
13
FLD
12
FLD
11
FLD
10
FLD9
FLD8
FLD7
FLD6
FLD5
FLD4
FLD3
FLD2
FLD1
FLD0
FLD6
FLD5
FLD4
FLD3
FLD2
FLD1
FLD0
VEE
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PB6
PB5
PB4
PB3
PB2
PB1
PB0
AVss
Vre
f
AN7
AN6
AN6
78
F1
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
47
46
45
44
43
42
41
40
F1
F1
IC
NC
NC
NC
NC
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
NP
NP
F2
F2
F2
48
1
NP
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
21
22
23
24
25
26
27
28
29
30
32
31
31
33
34
35
36
37
38
39
19
NP
NP
NP
NP
IC
P42
P41
P40
P39
P38
P37
P36
P35
P34
P33
P32
P31
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
NP
NP
NP
NP
NP
JET
MOTOR
TURN
OVER
DAMPER
MOTOR
FAN
MOTOR
BZ
HIGH VOLTAGE
TRANSFORMER
COM
TTM,OL
B-8
B-7
B-5
B-4
B-3
B-2
VC
VS
INT
VF
VN
VEE
F-1
F-8
F-7
F-6
F-5
F-2
F-3
F-4
VCC
OE
SDA
SCLK
CNVSS
BUSY
RESET
VSS
CF1
4MHz
Q1
ZD1
HZ4A2
KR
A
117M
R1
R2
R3
C1
+
C2
C10
Q10
Q11
Q12
Q13
Q14
Q15
Q16
Q17
Q18
C3
C5
R4
-
(J1
0)
(J1
2)
(J1
4)
(J
B
)
R20
R2
1
C20
R30
R3
1
C30
R40
R4
1
R42
C40
4.7
K
4.7K
4.7K
Q50
Q51
D50
D51
D52
D53
D54
D55
D56
D57
LD1
LD2
LD3
LD4
LD5
LD6
LD7
LD8
LD9
LD10
LD11
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
NP
NP
4.7K
4.7K
4.7K
18KF
330F
2.2K
F
15K
15K
IC-1
0.1u/50V
0.1u
0.1u
/50V
C6
0.1
u
50V
P77
P76
P81
P80
P82
P75
P74
P73
P72
A
N12
A
N13
A
N14
A
N15
AN
0
A
N
1
AN
2
AN
3
A
N
4
AN
5
AN
6
AN
7
PB
0
PB
1
PB
2
PB
3
FLD0
FLD1
FLD2
FLD3
FLD4
FLD5
FLD6
FLD7
FLD8
FLD9
FLD1
FLD2
FLD3
FLD4
FLD5
FLD6
FLD7
FLD8
FLD9
FLD11
FLD12
FLD13
FLD14
FLD15
FLD16
FLD17
FLD18
FLD19
FLD20
FLD21
FLD22
FLD23
FLD12
FLD13
FLD14
FLD15
FLD16
FLD17
FLD18
FLD19
FLD20
FLD21
FLD22
FLD23
FLD10
FLD24
FLD25
FLD26
FLD27
FLD28
FLD29
FLD30
FLD31
FLD32
FLD33
FLD34
FLD35
FLD36
FLD37
FLD38
FLD39
FLD40
FLD41
FLD42
FLD43
FLD44
FLD45
FLD46
FLD47
FLD48
FLD49
FLD50
FLD51
10u
50V
50V
10
5
15
20
25
35
40
45
55
60
65
70
75
85
90
95
560 x11
DG1
AN
8
R1
5
C15
15K
Q40
KR
C
1
01M
IC-
2
47
K
4.7
K
4.7
K
C75
R7
7
SDA
SCL
SD
A
R7
6
R7
5
AT2
4
C
01
3.3K
1.5K
RH
-IXA183DR
Z
Z
WH-A
7pin Harness
WH-B
13pin Harness
SW1-SW30
A-4
A-3
A-5
MONITER
DOOR (B)
DUMPER
SW
THERMISTOR
DOOR (A)
TOP
HEATING
ELEMENT
SIDE
HEATING
ELEMENT
A-2
B-12
A-6
A-7
B-13
A-1
B-6
B-1
B-11
B-10
B-9
R70,R71
100Kx10
x2
<CN-F>
(J11)
(J13)
(J15)
(JA)
HZ20-1
ZD10
AN11
AN10
AN9
38
R-90GCK
1
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
3
4
5
6
1
2
3
4
5
6
Figure S-4. Grid Assignment of Fluoresent Display Tube
1a
1G
2a
3a
1a
2a
S1
S2
S3
S4
S5
S6
S7
S8
S9
3a
1a
2a
3a
1a
2a
3a
1a
2a
3a
1a
2a
3a
1a
2a
3a
1a
2a
3a
Dp2
Dp3
Dp2
col1
col2
col1
col2
Dp3
Dp2
Dp2
Dp3
1a
2a
3a
1a
2a
3a
2G
3G
4G
a
b
c
d
e
g
[ 1G - 10G ]
k
j
h
r
p
n
f
5G
6G
7G
8G
9G
10G
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