Sharp R-8000GK Service Manual ▷ View online
R-8000GK
31
Figure O-5. Oven Schematic-Speed Grill (SG-2, SG-3) Cooking Condition
Figure O-6. Oven Schematic-Speed Convection (SC-2, SC-3) Cooking Condition
SCHEMATIC (SPEED GRILL SG-2, SG-3)
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. "MANUAL/REPEAT" KEY TOUCHED.
3. COOKING TIME ENTERED.
4. "SPEED GRILL" KEY TOUCHED TWICE (SG-2) OR 3 TIMES (SG-3).
5. OVEN TEMPERATURE SELECTED.
6. MICROWAVE POWR LEVEL SELECTED.
7. "START" KEY TOUCHED.
2. "MANUAL/REPEAT" KEY TOUCHED.
3. COOKING TIME ENTERED.
4. "SPEED GRILL" KEY TOUCHED TWICE (SG-2) OR 3 TIMES (SG-3).
5. OVEN TEMPERATURE SELECTED.
6. MICROWAVE POWR LEVEL SELECTED.
7. "START" KEY TOUCHED.
SCHEMATIC (SPEED CONVECTION SC-2, SC-3)
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. "MANUAL/REPEAT" KEY TOUCHED.
3. COOKING TIME ENTERED.
4. "SPEED CONV." KEY TOUCHED TWICE (SC-2) OR 3 TIMES (SC-3).
5. OVEN TEMPERATURE SELECTED.
6. MICROWAVE POWR LEVEL SELECTED.
7. "START" KEY TOUCHED.
2. "MANUAL/REPEAT" KEY TOUCHED.
3. COOKING TIME ENTERED.
4. "SPEED CONV." KEY TOUCHED TWICE (SC-2) OR 3 TIMES (SC-3).
5. OVEN TEMPERATURE SELECTED.
6. MICROWAVE POWR LEVEL SELECTED.
7. "START" KEY TOUCHED.
TOP HEATER
THERMAL
CUT-OUT 170˚C
THERMAL
CUT-OUT 170˚C
SIDE HEATER
THERMAL
CUT-OUT 150˚C
THERMAL
CUT-OUT 150˚C
MONITOR SWITCH
OVEN LAMP
CONTROL UNIT
A8
A6
A4
A3 A2
E1
A1 D9
THERMISTOR
DOOR SENSING SWITCH
PRIMARY
INTERLOCK RELAY
CONTROL SWITCH
JET MOTOR
TURNTABLE MOTOR
TOP HEATIMG ELEMENT
SIDE HEATIMG ELEMENT
MAGNETRON
HIGH VOLTAGE TRANSFORMER WITH
160˚C THERMOSTAT IN PRIMARY WINDING
H.V. RECTIFIER
CAPACITOR
1.07
µ
AC 2300V
RY5
RY6
SECONDARY INTERLOCK SWITCH
(MONITORED LATCH SWITCH)
(MONITORED LATCH SWITCH)
3RD.
LATCH
SWITCH
LATCH
SWITCH
SOLID-STATE RELAY
SOLID-STATE RELAY
PRIMARY
INTERLOCK RELAY
230 - 240V ~ 50Hz
COM.
COM.
COM.
C1
N.O.
N.O.
MAGNETRON
TEMPERATURE
FUSE 150˚C
TEMPERATURE
FUSE 150˚C
T/C TRANSFORMER
FUSE
20A
20A
B1
B2
E3
C2
C3
B3
B4
D7
D1
D5 D3
FM
OL
TTM
FAN MOTOR
RY1
RY2
FM
RY3
JM
H.V. USE
0.75A
COM.
FUSE
F10A
F10A
HEATER
TEMPERATURE
FUSE 150˚C
TEMPERATURE
FUSE 150˚C
N
L
LINE CROSS CAPACITOR 1.0
µ
/AC275V
NOISE SUPPRESSION COIL
LINE BYPASS CAPACITOR 0.0047
µ
/AC250V
LINE BYPASS CAPACITOR 0.0047
µ
/AC250V
RESISTOR 10M
Ω
1/2W
RED
WHT
RESISTOR 680K
Ω
1/2W
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
JET MOTOR CAPACITOR
NOISE FILTER
TOP HEATER
THERMAL
CUT-OUT 170˚C
THERMAL
CUT-OUT 170˚C
SIDE HEATER
THERMAL
CUT-OUT 150˚C
THERMAL
CUT-OUT 150˚C
MONITOR SWITCH
OVEN LAMP
CONTROL UNIT
A8
A6
A4
A3 A2
E1
A1 D9
THERMISTOR
DOOR SENSING SWITCH
PRIMARY
INTERLOCK RELAY
CONTROL SWITCH
JET MOTOR
TURNTABLE MOTOR
TOP HEATIMG ELEMENT
SIDE HEATIMG ELEMENT
MAGNETRON
HIGH VOLTAGE TRANSFORMER WITH
160˚C THERMOSTAT IN PRIMARY WINDING
H.V. RECTIFIER
CAPACITOR
1.07
µ
AC 2300V
RY5
RY6
SECONDARY INTERLOCK SWITCH
(MONITORED LATCH SWITCH)
(MONITORED LATCH SWITCH)
3RD.
LATCH
SWITCH
LATCH
SWITCH
SOLID-STATE RELAY
SOLID-STATE RELAY
PRIMARY
INTERLOCK RELAY
230 - 240V ~ 50Hz
COM.
COM.
COM.
C1
N.O.
N.O.
MAGNETRON
TEMPERATURE
FUSE 150˚C
TEMPERATURE
FUSE 150˚C
T/C TRANSFORMER
FUSE
20A
20A
B1
B2
E3
C2
C3
B3
B4
D7
D1
D5
D3
FM
OL
TTM
FAN MOTOR
RY1
RY2
FM
RY3
JM
H.V. USE
0.75A
COM.
FUSE
F10A
F10A
HEATER
TEMPERATURE
FUSE 150˚C
TEMPERATURE
FUSE 150˚C
N
L
LINE CROSS CAPACITOR 1.0
µ
/AC275V
NOISE SUPPRESSION COIL
LINE BYPASS CAPACITOR 0.0047
µ
/AC250V
LINE BYPASS CAPACITOR 0.0047
µ
/AC250V
RESISTOR 10M
Ω
1/2W
RED
WHT
RESISTOR 680K
Ω
1/2W
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
JET MOTOR CAPACITOR
NOISE FILTER
R-8000GK
32
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
JET MOTOR
CAPACITOR
RY2
RY3
RY5
WH-A
CN-J
CN-H
RY2:
PRIMARY
INTERLOCK
RELAY
TOP HEATER
THERMAL
CUT-OUT
To POWER UNIT
From CPU UNIT
MAGNETRON TEMPERATURE
FUSE
GRY
WHT
CN-A
CN-B
N.O.
CN-B
CN-A
SECONDARY
INTERLOCK
SWITCH
HEATER
TEMPERATURE
FUSE
CONTROL UNIT
(SWITCH UNIT)
CPU
UNIT
HIGH VOLTAGE
COMPONENTS
POWER UNIT
TOP
HEATING
ELEMENT
MONITOR
SWITCH
JET MOTOR
THERMISTOR
POWER SUPPLY CORD
NOTE:
The grounding conductor of
the power supply cord has
been grounded by power
supply cord fixing screw. The
screw must be kept allways
tight.
GRN
GRN
FUSE F10A
MAGNETRON
HIGH VOLTAGE
CAPACITOR
HIGH VOLTAGE
RECTIFIER
HIGH VOLTAGE
TRANSFORMER
HIGH
VOLTAGE
FUSE
BLK
WHT
WHT
WHT
RED
O
R
G
R
E
D
R
E
D
R
E
D
B
L
K
R
E
D
B
L
K
O
R
G
R
E
D
R
E
D
G
R
N
R
E
D
B
L
K
O R G
DOOR
SENSING
SWITCH
3RD. LATCH
SWITCH
BRN
RED
COM.
COM.
N.O.
COM.
N.C.
BLK
ORG
RED
YLW
WHT
8
7
6
5
4
3
2
1
BLU
BRN
1
16
1
1
9
4
CN-E
1
3
CN-C
1
3
CN-G
COM.
CN-D FUSE1
1
3
2
1
8
GRY
WHT
COM.
N.C.
BRN
RED
GRY
WHT
BLK
G
R
Y
G
R
Y
O
R
G
CN-C
CN-D
BLU
GRN
WHT
8
9
7
6
5
4
3
2
1
BRN
GRY
RY6
RY1
COM.
N.O.
N.O.
RED
1 1
10
16
BLK
WHT
WHT
BLK
WHT
GRY
ORG
ORG
FAN MOTOR
(H.V. transformer side)
1
2
BRN
BRN
RED
BRN
1
2
3
ORG
RED
BRN
1
2
3
BLK
SOLID-STATE RELAY
(For side heating
element control)
SOLID-STATE RELAY
(For top heating element control )
WHT
BLK
1
2
3
RED
WHT
BLK
RED
B
L
K
WHT
BLU
RED
B
L
K
R
E
D
W
H
T
W
H
T
W
H
T
O
R
G
W
H
T
W
H
T
SIDE HEATER
THERMAL CUT-OUT
GRY
RED
3
1
2
4
BLU
NL
BRN
G-Y
EARTH
NEUTRAL
LIVE
NOISE FILTER AND MONITOR FUSE 20A
SIDE
HEATING
ELEMENT
3
1
2
4
BRN
ORG
RED
OVEN LAMP & SOCKET
Black
Mark
NOTE:
Neutral (WHT/GRN) wire must
be connected to the terminal
with black mark on the oven
light socket.
B L K
W H T
R E D
G R N
3
42
1
CN-E
O R G
B L K
32
1
B
L
K
FAN MOTOR
(Magnetron side)
BLK
W
H
T
W
H
T
W
H
T
W
H
T
G
R
N
G
R
Y
R-8000GK
33
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
TURN
OVER
JET
MOTOR
FAN
MOTOR
TOP
HEATER
SIDE
HEATER
COM
TTM,OL
A1
A4
A2
E3
E1
D5
: 0.01uF/50V
VCC
OE
SDA
SCLK
BUSY
BUSY
CNVSS
RESET
VSS
CN-F
PB0
PB1
PB2
PB3
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
<CONTROL UNIT (SWITCH UNIT)>
DG1
D7
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
NP
NP
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
FLD3
7
FLD3
6
FLD3
5
FLD3
4
FLD3
3
FLD3
2
FLD3
1
FLD3
0
FLD2
9
FLD2
8
FLD2
7
FLD2
6
FLD2
5
FLD2
4
FLD2
3
FLD2
2
FLD2
1
FLD2
0
FLD1
9
FLD1
8
FLD1
7
FLD1
6
FLD1
5
FLD1
4
FLD1
3
FLD1
2
FLD1
1
FLD1
0
FLD
9
FLD
8
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
Vref
AN7
AN6
AN7
AN6
IC-1
15
20
P71
P70
P67
P66
P65
P64
FLD51
FLD50
FLD49
FLD48
FLD47
FLD46
FLD45
FLD44
FLD43
FLD42
FLD41
FLD40
FLD39
FLD38
AN5
AN4
AN3
AN2
AN1
AN0
AN
1
5
AN
1
4
AN
1
3
AN
1
2
AN
1
1
AN
1
0
AN9
AN8
P8
3
P8
2
P8
1
P8
0
CNV
ss
RES
E
T
VSS
Xin
Xou
t
VCC
P7
7
P7
6
P7
5
P7
4
P7
3
P7
2
40
45
35
25
20
15
10
5
95
90
85
75
70
65
60
55
J6
J3
J5
J4
A3
G,H6
G,H7
G,H8
J2
J1
C8
C7
A6
A8
D1
D9
D3
G,H12
G,H15
C3
B1
B2
C1
C2
G,H14
<CPU UNIT>
<POWER UNIT>
F-8
F-7
F-6
F-5
F-4
F-3
F-2
F-1
F-7
F-6
F-5
F-4
F-3
F-2
F-1
AC230V
50Hz
VRS1
FUSE1 2.5A
10G471K
D1
YELLOW
WHITE
RED
BROWN
BLE
ORANGE
D2
D3
D4
1N4002L x4
D5
R6
6.8
1W
100u/10V
+
C9
+
2200u/35V
0.1u/50V
R5
300 1W
I
C
O
Q5
+
C1
10u/50V
10u/50V
+
C11
Q2
DT
A143E
SA
C4
0.
01u
/50
V
0.01u
/50V
0.01u
/50
V
C50
C51
D21
D20
1N58
17
D10
D13
D11
D14
D15
RY6
VE-24HE-K
RY
3
RY5
FTR-F3AA024E
FTR-F3AA024E
RY1
DU18D1-1P(M)-R-S
RY2
0.1
u
/50
V
CN-A
(J1)
(J2)
Q1
DTA123EKA
or
KRA117S
ZD1
R1
C3
R2
4.7
K
4.7K
4.7K
4.7K
4.7K
(J10)
(J12)
(J14)
(J11)
(J13)
(J15)
AN1
2
AN1
3
AN1
4
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
R50
R51
R52
R53
R54
R55
R56
R57
R58
R59
R60
R61
SP1
R11
R10
1.5K 1/4W
3.3K 1/4W
1.5K 1/4W
Q3
R7
ZD6
HZ20-1
Q14
Q18
Q17
Q15
Q13
Q10
Q1
1
Q1
2
P72
P73
P75
P76
P82
P8
1
P8
0
C10
0.1u/16V
D1
6
D18
D17
R2 1
R2
0
C20
CF1
R76
R77
R75
C75
IC-2
R4
R41
C40
R42
R40
Q40
ZD10
C6
P8
3
AN
1
1
AN
1
0
R13
R14
C14
HZU20B1
3.3K
1.5K
0.1u/50V
C13
C12
HZU3.6B2
4.7K
R3
C5
C2
0.1u/16V
0.1u/16V
0.1u/16V
47K
4.7
K
1SS355
1SS355
1SS355
330F
18KF
4.7K
DTC143EKA
52808-0890
4.7
K
4.7
K
47K
CN
-
D
CN-E
CN-J
++
DOOR SENSING SW
OT
H
4
5
8
B4
B3
10Pin
J7
J8
J10
J9
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
SW1-10
CN-G
B4P-VH
B3P-VH
B5P9-VH
B2P3
AT24C16N-10SI-2.7
S10B-PH
G4A-1A-DC24V
R78
47K
H,G5
H, G
11
G,H4
G,H16
G, H
10
G,H9
G,H3
G,H2
G,H1
START
(SW11)
1
11
6
16
2
12
7
17
3
13
8
18
4
14
9
19
5
15
0
20
1.5
K
1.5
K
1.5
K
R2
4
R2
5
R2
6
Q2
4
Q2
5
Q26
Q27
KRA223S
KTC3875S
x3
R23
27
1/4W
KRC243M or
DTD143ES
NOTE:
IF NOT SPECIFIED
: DTA143EKA or KRA101S
: 1/16W
±
5%
: 1SS270A or 1SS133
100Kx10
R70
R71
100Kx10
KXA080
A0
A1
A2
VSS
VCC
WP
SCL
SDA
CN-B
or KRC101S
2.2K
F
CN-H
S16B-PH
B16B-PH
4MHz
(SW1)
SPEED
GRILL
SPEED
CONV.
(SW2)
(SW3)
(SW6)
(SW5)
(SW4)
(SW7)
(SW10)
(SW8)
(SW9)
SET
PAUSE
CHECK
OVEN
(˚C)
HOLD
150˚C
MICRO-
WAVE
MANUAL
REPEAT
WH-A
SW11-23
(SW12)
(SW13)
(SW14)
(SW18)
(SW17)
(SW16)
(SW15)
(SW22)
(SW21)
(SW20)
(SW19)
(SW23)
STOP
CLEAR
KIA79L05P
D1-D4
-VH
B6P(8-5,7)
-VH
MICRO
2SB1238
Q19
CN-C
G,H13
Figure S-2. Power Unitl, CPU Unit and Control Unit Circuit
R-8000GK
34
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. Printed Wiring Board of Power Unit
Figure S-3. 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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