DOWNLOAD Sharp R-82FBSTM (serv.man2) Service Manual ↓ Size: 1.57 MB | Pages: 46 in PDF or view online for FREE

Model
R-82FBSTM (serv.man2)
Pages
46
Size
1.57 MB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven
File
r-82fbstm-sm2.pdf
Date
PREV: Sharp R-82FBSTM Service Manual / Specification

Sharp R-82FBSTM (serv.man2) Service Manual ▷ View online

R-82FBSTM - 33
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR OPENED.
2. "ENERGY SAVED MODE" APPEARS ON DISPLAY.
Figure O-1(c) Oven Schematic-OFF Condition after the oven door is closed.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. "   .  O" APPEARS ON DISPLAY.
Figure O-1(b) Oven Schematic-OFF Condition when the oven door is opened.
Note:
AC CORD CONNECTION
BRN :
BROWN
BLU :
BLUE
G-Y :
GREEN AND YELLOW STRIPE
/15 :
SECTIONAL AREA OF 1.5mm
2 
MIN.
"
*
"
Indicates components with potential above 250 V.
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MAGNETRON
* HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
 MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F
/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
 * ASYMMETRIC
   RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MAGNETRON
* HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
MG.
THERMAL
CUT-OUT
OVEN
THERMAL
CUT-OUT
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F
/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
 * ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
Note:
AC CORD CONNECTION
BRN :
BROWN
BLU :
BLUE
G-Y :
GREEN AND YELLOW STRIPE
/15 :
SECTIONAL AREA OF 1.5mm
2 
MIN.
"
*
"
Indicates components with potential
above 250 V.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. PLUGGED IN OVEN.
3. NOTHING APPEARS ON DISPLAY.
Figure O-1(a) Oven Schematic-OFF Condition right after the oven is plugged in.
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
*H.V. RECTIFIER
*MAGNETRON
*HIGH VOLTAGE 
 TRANSFORMER
T/C TRANSFORMER
*CAPACITOR
1.07µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
*ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
SCHEMATIC DIAGRAMS
R-82FBSTM - 34
Figure O-3(a) Oven Schematic-Grill cooking Condition (TOP GRILL mode)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. TOP GRILL MODE SELECTED.
4. STRAT KEY TOUCHED.
Figure O-3(b) Oven Schematic-Grill cooking Condition (BOTTOM GRILL mode)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. BOTTOM GRILL MODE SELECTED.
4. STRAT KEY TOUCHED.
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
 
* MAGNETRON
* HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
 * ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MAGNETRON
* HIGH VOLTAGE 
  TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
 * ASYMMETRIC
   RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
Figure O-2 Oven Schematic-Microwave cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. STRAT KEY TOUCHED.
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MAGNETRON
* HIGH VOLTAGE 
  TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
* ASYMMETRIC
   RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
SCHEMATIC DIAGRAMS
R-82FBSTM - 35
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. CONVECTION TEMPERATURE SELECTED.
4. STRAT KEY TOUCHED.
Figure O-4 Oven Schematic-Convection Condition
NOTE: The top heating element, bottom heating element, fan motor and convection
motor will be turned on and off according to the temperature.
See "AUTO POWER CONTROL SPEC.
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
GH1: TOP GRILL HEATING ELEMENT 
GH2: BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MG:
MAGNETRON
* T: HIGH VOLTAGE 
    TRANSFORMER
T/C TRANSFORMER
* C:
CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
SW2:
STOP SWITCH
SW1: MONITORED LATCH SWITCH
THERMISTOR
TC1: MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
SW3:
MONITOR 
SWITCH
4700pF/ 250V
4700pF/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
F1: FUSE 20A
F2: FUSE F8A
NOISE 
FILTER
L
N
230V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
* ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. TOP & BOTTOM GRILL MODE SELECTED.
4. STRAT KEY TOUCHED.
Figure O-3(c) Oven Schematic-Grill cooking Condition (TOP AND BOTTOM GRILL mode)
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MAGNETRON
* HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
* ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
SCHEMATIC DIAGRAMS
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. DUAL KEY TOUCHED ONCE.
4. MICROWAVE POWER LEVEL ENTERED.
5. CONVECTION TEMPERATURE SELECTED.
6. STRAT KEY TOUCHED.
NOTE: The top heating element, bottom heating element, magnetron, fan motor and
convection motor will be turned on and off according to the temperature or
microwave power level. See "AUTO POWER CONTROL SPEC.
Figure O-5(a) Oven Schematic-Dual cooking Condition (Microwave and Convection mode)
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
 * MAGNETRON
* HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
* ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
R-82FBSTM - 36
Figure O-5(b) Oven Schematic-Dual cooking Condition (Microwave and Top Grill mode)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. DUAL KEY TOUCHED TWICE.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME ENTERED.
3. DUAL KEY TOUCHED THREE TIMES.
4. MICROWAVE POWER LEVEL ENTERED.
5. STRAT KEY TOUCHED.
Figure O-5(c) Oven Schematic-Dual cooking Condition (Microwave and Bottom Grill mode)
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MAGNETRON
* HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
* ASYMMETRIC
   RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
OL
CM
TTM
OVEN  LAMP
CONVECTION 
MOTOR
FAN MOTOR
TURNTABLE MOTOR
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
* H.V. RECTIFIER
* MAGNETRON
* HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
* CAPACITOR
1.07 µ
F
AC2100V
CONTROL UNIT
A9
A7
RY7
RY5
COM.
COM.
COM.
N.O.
N.O.
COM.
N.O.
N.O.
A3
E1
E3
E5
E7
A1
B2
C3
C1
A5
B1 
STOP SWITCH
MONITORED LATCH SWITCH
THERMISTOR
TC1:MG.
THERMAL
CUT-OUT
125˚C
TC2:
OVEN
THERMAL
CUT-OUT
160˚C
MONITOR 
SWITCH
4700pf/ 250V
4700pf/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22µ
F/250V
FUSE 20A
FUSE F8A
NOISE 
FILTER
L
N
230 - 240V ~ 50Hz
BRN/15
BLU/15
G-Y/15 
EARTH
LIVE
NEUTRAL
NC.
NC.
* ASYMMETRIC
 RECTIFIER
RY6
RY1
RY2
RY3
RY4
FM
SCHEMATIC DIAGRAMS
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