R-959SLM (serv.man10). Circuit Diagrams - Sharp Home Appliance Service Manual (repair manual)

r-959slm (serv.man10) service manual
Model
R-959SLM (serv.man10)
Pages
10
Size
393.94 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Circuit Diagrams
File
r-959slm-sm10.pdf
Date
Next: Sharp R-959SLM (serv.man11) Parts Guide

Read Sharp R-959SLM (serv.man10) Service Manual online

R959(SL)M
13 – 1
R959(SL)M
Service Manual
 
CHAPTER 13. 
CIRCUIT DIAGRAMS
[1] Oven Schematic
Figure O-1(a) Oven Schematic-OFF Condition right after the oven is plugged in.
Figure O-1(b) Oven Schematic-OFF Condition when the oven door is opened.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. PLUGGED IN OVEN.
3. NOTHING APPEARS ON DIS PLAY.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. “ENERGY SAVED MODE” APPEARS ON DISPLAY.
NOTE: "
" indicates components with potentials above 250V
OL
OVEN
LAMP
CONVECTION
MOTOR
DAMPER
MOTOR
FAN
MOTOR
TURNTABLE
MOTOR
GRILL
HEATING
E
LEMENTS
CONVECTION
H
EATING
ELEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
TRANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
GRILL
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
250V
10M/
0.5W
NOISE
SUPPRESSION
COIL
680
k/
0.5W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
230
-
240
V
~
50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
FUSE
20A
A5
OL
OVEN
LAMP
CONVECTION
MOTOR
DAMPER
MOTOR
FAN
MOTOR
TURNTABLE
M
OTOR
GRILL
HEATING
ELEMENTS
CONVECTION
HEATING
ELEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
TRANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
250V
10M/
0.5W
NOISE
S
UPPRESSION
COIL
680
k
/
0.5W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
230
-
240
V
~
50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
GRILL
THERMAL
CUT-OUT
FUSE
20A
A5
R959(SL)M
13 – 2
Figure O-1(c) Oven Schematic-OFF Condition after the oven door is closed.
Figure O-2 Oven Schematic-Microwave cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2 “ . O” APPEARS ON DISPLAY.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. STRAT KEY TOUCHED.
OL
OVEN
LAMP
CONVECTION
MOTOR
DAMPER
MOTOR
FAN
M
OTOR
TURNTABLE
M
OTOR
GRILL
HEATING
E
LEMENTS
CONVECTION
HEATING
E
LEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
TRANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
250V
10M/
0
.5W
NOISE
S
UPPRESSION
COIL
6
8
0k
/0
.5
W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
230
-
240
V
~
50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
GRILL
THERMAL
CUT-OUT
A5
FUSE
20A
NOTE: "
" indicates components with potentials above 250V
OL
OVEN
LAMP
CONVECTION
M
OTOR
DAMPER
MOTOR
FAN
M
OTOR
TURNTABLE
M
OTOR
GRILL
HEATING
ELEMENTS
CONVECTION
H
EATING
E
LEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
TRANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
250V
10M/
0.5W
NOISE
S
UPPRESSION
C
OIL
680
k
/
0
.5W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
230
-
2
40
V
~
50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
GRILL
THERMAL
CUT-OUT
FUSE
20A
A5
R959(SL)M
13 – 3
NOTE: The convection heater will be operational as back up until the oven cavity temperature rises to 220
°C.
Figure O-3 Oven Schematic-Grill cooking Condition (TOP GRILL mode)
NOTE: When the convection temperature 160 - 250
°C are selected, the grill heating element will be energized as back up.
Figure O-4 Oven Schematic-Convection Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. GRILL MODE SELECTED.
4. STRAT KET TOUCHED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
3. COOKING TIME ENTERED.
4. CONVECTION TEMPERATURE SELECTED.
5. STRAT KEY TOUCHED.
OL
OVEN
LAMP
CONVECTION
MOTOR
DAMPER
MOTOR
FAN
MOTOR
TURNTABLE
MOTOR
GRILL
HEATING
E
LEMENTS
CONVECTION
HEATING
E
LEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
T
RANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
250V
10M/
0
.5W
NOISE
SUPPRESSION
COIL
680
k/
0.5W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
230
-
240
V
~
50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
GRILL
THERMAL
CUT-OUT
A5
FUSE
2
0A
NOTE: "
" indicates components with potentials above 250V
OL
OVEN
LAMP
CONVECTION
M
OTOR
DAMPER
MOTOR
FAN
M
OTOR
TURNTABLE
MOTOR
GRILL
HEATING
ELEMENTS
CONVECTION
HEATING
E
LEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
T
RANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
2
50V
4700p/
2
50V
10M/
0.5W
NOISE
S
UPPRESSION
C
OIL
680
k
/
0
.5W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
2
3
0-2
4
0V~5
0
H
z
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
GRILL
THERMAL
CUT-OUT
A5
FUSE
20A
R959(SL)M
13 – 4
Figure O-5(a) Oven Schematic-Dual cooking Condition (Microwave and Convection)
Figure O-5(b) Oven Schematic-Dual cooking Condition (Microwave and Grill)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3.COMBI. KEY TOUCHED ONCE.
4. CONVECTION TEMPERATURE SELECTED.
5. MICROWAVE POWER LEVEL SET.
6. STRAT KEY TOUCHED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3.COMBI. KEY TOUCHED TWICE.
4. MICROWAVE POWER LEVEL SET.
5. STRAT KEY TOUCHED.
OL
OVEN
LAMP
CONVECTION
MOTOR
DAMPER
MOTOR
FAN
MOTOR
TURNTABLE
M
OTOR
GRILL
HEATING
E
LEMENTS
CONVECTION
HEATING
ELEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
T
RANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
250V
10M/
0
.5W
NOISE
S
UPPRESSION
COIL
680
k
/
0
.5W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
230
-
240
V
~
50Hz
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
GRILL
THERMAL
CUT-OUT
A5
FUSE
20A
NOTE: "
" indicates components with potentials above 250V
OL
OVEN
LAMP
CONVECTION
M
OTOR
DAMPER
MOTOR
FAN
M
OTOR
TURNTABLE
MOTOR
GRILL
HEATING
ELEMENTS
CONVECTION
HEATING
E
LEMENT
H.V.
RECTIFIER
MAGNETRON
HIGH
VOLTAGE
TRANSFORMER
T/C
TRANSFORMER
CAPACITOR
1.16
uF
AC2100V
CONTROL
UNIT
A7
D1
RY5
A3
E5
E7
E3
E1
A1
B2
B3
B4
C3
C1
B1
STOP
SWITCH
DAMPER
SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MAG.
THERMAL
CUT-OUT
CONV.
THERMAL
CUT-OUT
MONITOR
SWITCH
4700p/
250V
4700p/
2
50V
10M/
0.5W
NOISE
S
UPPRESSION
COIL
680
k
/
0
.5W
0.22
u/250V
FUSE
F8A
NOISE
FILTER
L
N
2
3
0-2
4
0V~5
0
H
z
BRN/15
BLU/15
G-Y/15
EARTH
LIVE
NEUTRAL
N.O.
N.C.
N.C.
N.O .
COM.
COM.
ASYMMETRIC
RECTIFIER
RY6
RY7
RY8
RY1
RY2
RY3
RY4
FM
TTM
CM
DM
GRILL
THERMAL
CUT-OUT
A5
FUSE
20A
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