DOWNLOAD Sharp R-657W (serv.man12) Service Manual ↓ Size: 439.64 KB | Pages: 5 in PDF or view online for FREE

Model
R-657W (serv.man12)
Pages
5 Few pages! See other manuals at the bottom of the first or last page.
Size
439.64 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Circuit Diagrams
File
r-657w-sm12.pdf
Date

Sharp R-657W (serv.man12) Service Manual ▷ View online

R657(W)
13 – 1
R657(W)
Service Manual
 
CHAPTER 13. 
CIRCUIT DIAGRAMS
[1] Oven Schematic
Figure O-1 Oven Schematic-OFF Condition
Figure O-2 Oven Schematic-Microwave cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. PLUGGED IN OVEN.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. START KEY TOUCHED.
MAGNETRON
H.V.
RECTIFIER
H.V.
CAPACITOR
0.97μ
F/
A
C2100V
TURNTABLE
MOTOR
FAN
M
OTOR
OVEN
LAMP
THERMAL CUT-OUT
145ºC (OVEN)
THERMAL CUT-OUT
145ºC (MG)
MONITORED
LATCH SWITCH
A1
OL
FM
TTM
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE
20A
FUSE F8A
N
L
0.22μ
/AC250V
10M/
0.5W
680k
0.5W
NOISE FILTER
230
-240V
50Hz
A3
B2
A5
B1
RY1
RY2
RY4
COM.
N.O.
STOP SWITCH
0.0047μ
F/
A
C250V
0.0047μ
F/
A
C250V
HEATING
ELEMENT
MONITOR
SWITCH
ASYMMETRIC
RECTIFIER
RY3
CONTROL UNIT
HIGH VOLTAGE
TRANSFORMER
THERMAL CUT-OUT
145ºC (MG)
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE
20A
FUSE F8A
N
L
0.22μ
/AC250V
10M/
0.5W
680k
0.5W
NOISE FILTER
230
-240V
50Hz
0.0047μ
F/
AC250V
0.0047μ
F/
AC250V
MAGNETRON
H.V.
RECTIFIER
H.V.
CAPACITOR
0.97μ
F/
A
C2100V
TURNTABLE
MOTOR
FAN
M
OTOR
OVEN
LAMP
THERMAL CUT-OUT
145ºC (OVEN)
MONITORED
LATCH SWITCH
A1
OL
FM
TTM
A3
B2
A5
B1
RY1
RY2
RY4
COM.
N.O.
STOP SWITCH
HEATING
ELEMENT
MONITOR
SWITCH
ASYMMETRIC
RECTIFIER
RY3
CONTROL UNIT
HIGH VOLTAGE
TRANSFORMER
R657(W)
13 – 2
Figure O-3 Oven Schematic-Grill cooking Condition
Figure O-4 Oven Schematic-Dual Grill cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. TOUCH GRILL KEY.
4. START KEY TOUCHED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. TOUCH DUAL GRILL KEY.
4. START KEY TOUCHED.
THERMAL CUT-OUT
145ºC (MG)
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE
20A
FUSE F8A
N
L
0.22μ
/AC250V
10M/
0.5W
680k
0.5W
NOISE FILTER
230
-2
40V
50Hz
0.0047μ
F/
AC250V
0.0047μ
F/
AC250V
MAGNETRON
H.V.
RECTIFIER
H.V.
CAPACITOR
0.97μ
F/
A
C2100V
TURNTABLE
MOTOR
FAN
M
OTOR
OVEN
LAMP
THERMAL CUT-OUT
145ºC (OVEN)
MONITORED
LATCH SWITCH
A1
OL
FM
TTM
A3
B2
A5
B1
RY1
RY2
RY4
COM.
N.O.
STOP SWITCH
HEATING
ELEMENT
MONITOR
SWITCH
ASYMMETRIC
RECTIFIER
RY3
CONTROL UNIT
HIGH VOLTAGE
TRANSFORMER
THERMAL CUT-OUT
145ºC (MG)
EARTH
BLU
BRN
LIVE
NEUTRAL
G-Y
FUSE
20A
FUSE F8A
N
L
0.22μ
/AC250V
10M/
0.5W
680k
0.5W
NOISE FILTER
230
-240V
50Hz
0.0047μ
F/
AC250V
0.0047μ
F/
AC250V
MAGNETRON
H.V.
RECTIFIER
H.V.
CAPACITOR
0.97μ
F/
A
C2100V
TURNTABLE
MOTOR
FAN
M
OTOR
OVEN
LAMP
THERMAL CUT-OUT
145ºC (OVEN)
MONITORED
LATCH SWITCH
A1
OL
FM
TTM
A3
B2
A5
B1
RY1
RY2
RY4
COM.
N.O.
STOP SWITCH
HEATING
ELEMENT
MONITOR
SWITCH
ASYMMETRIC
RECTIFIER
RY3
CONTROL UNIT
HIGH VOLTAGE
TRANSFORMER
R657(W)
13 – 3
[2] Pictorial Diagram
Figure S-1. Pictorial Diagram
BLU
G-Y
BRN
EARTH
Noise
filter
RED
N
F2
F1
TP
TL
L
WHT
RED
RED
BLK
WHT
THERMAL CUT-OUT(MAG)
THERMAL CUT-OUT(OVEN)
OVEN
LAMP
COM
GRY
BLK
WHT
N.C.
SWITCH STOP
NO
COM
GRILL
H
EATING
ELEMENT
WHT
WHT
WHT
RED
GRN
GRN
GRN
RED
RED
TURNTABLE MOTOR
MONITOR SWITCH
MONITORED LATCH
S
WITCH
BLK
BLK
ORG
ORG
RED
ORG
BRN
RED
RED
CN-B
CN-A
ORG
WHT
1B
LK
2
3W
H
T
GRY
4
5
2
GRN
1
RED
FAN
MOTOR
POWER
SUPPLY
CORD
HIGH
VOLTAGE
COMPONENTS
RY2
RY4
RY3
CONTROL
PANEL
CN-A
T1
CN-B
CN-G
1
1
2
5
RY1
MAGNETRON
Black Tube
White
w
ire
Black
Tube
H.V.WIRE
ASYMMETRIC RECTIFIER
H.V. CAPACITOR
H.V.
RECTIFIER
HIGH
V
OLTAGE
TRANSFORMER
RED
WHT
BRN
GRY
GRY
BLK
RED
BLK
BLK
GRY
RED
NO
COM
GRY
WHT
WHT
WHT
WHT
R657(W)
13 – 4
[3] Control Unit Circuit
Figure S-2. Control Unit Circuit
STOP SWITCH
0.1u/50V
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Sharp R-657W (serv.man12) Service Manual ▷ Download

  • DOWNLOAD Sharp R-657W (serv.man12) Service Manual ↓ Size: 439.64 KB | Pages: 5 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp R-657W (serv.man12) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp R-657W (serv.man12) Microwave Oven. Information contained in Sharp R-657W (serv.man12) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.