R-757M (serv.man12). Schematic diagrams - Sharp Home Appliance Service Manual (repair manual)

r-757m (serv.man12) service manual
Model
R-757M (serv.man12)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
62.25 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Schematic diagrams
File
r-757m-sm12.pdf
Date
Next: Sharp R-757M (serv.man13) Service Manual

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R-757M - 27
Figure O-2 Oven Schematic-Microwave cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. Door closed.
2. Cooking time set.
3. Microwave power level set.
4. START key pressed.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. Door closed.
2. Cooking mode at microwave.
3. Timer at zero.
Figure O-1. Oven Schematic-OFF Condition
Note: "     " Indicates components with potential above 250 V.
OL
TTM
OVEN  LAMP
FAN MOTOR
TURNTABLE MOTOR
GRILL HEATING ELEMENT 
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
 TRANSFORMER
CAPACITOR
1.07 
µ
F
AC2100V
CONTROL UNIT
RY3
COM.
COM.
A3
A1
B2
B1 
STOP SWITCH
 MONITORED 
LATCH SWITCH
MG.
THERMAL
CUT-OUT
125˚C
OVEN
THERMAL
CUT-OUT
145˚C
MONITOR 
SWITCH
0.0047
µ
/ 250V
0.0047
µ
/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
 SPECIALFUSE 20A
FUSE
F8A
NOISE FILTER
L
N
230-240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
N.C.
N.O.
N.O.
COM.
N.O.
N.O.
N.O.
 ASYMMETRIC
 RECTIFIER
RY2
RY1
FM
OL
TTM
OVEN  LAMP
FAN MOTOR
TURNTABLE MOTOR
GRILL HEATING ELEMENT 
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
 TRANSFORMER
CAPACITOR
1.07 
µ
F
AC2100V
CONTROL UNIT
RY3
COM.
COM.
A3
A1
B2
B1 
STOP SWITCH
 MONITORED 
LATCH SWITCH
MG.
THERMAL
CUT-OUT
125˚C
OVEN
THERMAL
CUT-OUT
145˚C
MONITOR 
SWITCH
0.0047
µ
/ 250V
0.0047
µ
/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
 SPECIALFUSE 20A
FUSE
F8A
NOISE FILTER
L
N
230-240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
N.C.
N.O.
N.O.
COM.
N.O.
N.O.
N.O.
 ASYMMETRIC
 RECTIFIER
RY2
RY1
FM
SCHEMATIC DIAGRAMS
R-757M - 28
Figure O-3. Oven Schematic-Grill cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. Door closed.
2. Cooking time set.
3. Grill key pressed.
4. START key pressed.
Figure O-4. Oven Schematic-Dual Cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. Door closed.
2. Cooking time set.
3. Dual Gril key pressedl.
4. START key pressed.
Note: "     " Indicates components with potential above 250 V.
OL
TTM
OVEN  LAMP
FAN MOTOR
TURNTABLE MOTOR
GRILL HEATING ELEMENT 
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
 TRANSFORMER
CAPACITOR
1.07 
µ
F
AC2100V
CONTROL UNIT
RY3
COM.
COM.
A3
A1
B2
B1 
STOP SWITCH
 MONITORED 
LATCH SWITCH
MG.
THERMAL
CUT-OUT
125˚C
OVEN
THERMAL
CUT-OUT
145˚C
MONITOR 
SWITCH
0.0047
µ
/ 250V
0.0047
µ
/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
 SPECIALFUSE 20A
FUSE
F8A
NOISE FILTER
L
N
230-240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
N.C.
N.O.
N.O.
COM.
N.O.
N.O.
N.O.
 ASYMMETRIC
 RECTIFIER
RY2
RY1
FM
OL
TTM
OVEN  LAMP
FAN MOTOR
TURNTABLE MOTOR
GRILL HEATING ELEMENT 
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
 TRANSFORMER
CAPACITOR
1.07 
µ
F
AC2100V
CONTROL UNIT
RY3
COM.
COM.
A3
A1
B2
B1 
STOP SWITCH
 MONITORED 
LATCH SWITCH
MG.
THERMAL
CUT-OUT
125˚C
OVEN
THERMAL
CUT-OUT
145˚C
MONITOR 
SWITCH
0.0047
µ
/ 250V
0.0047
µ
/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/250V
 SPECIALFUSE 20A
FUSE
F8A
NOISE FILTER
L
N
230-240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
N.C.
N.O.
N.O.
COM.
N.O.
N.O.
N.O.
 ASYMMETRIC
 RECTIFIER
RY2
RY1
FM
SCHEMATIC DIAGRAMS
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Here you can read online and download Sharp R-757M (serv.man12) Service Manual in PDF. R-757M (serv.man12) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp R-757M (serv.man12) Microwave Oven. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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