DOWNLOAD Sharp R-895M (serv.man15) Service Manual ↓ Size: 1.61 MB | Pages: 43 in PDF or view online for FREE

Model
R-895M (serv.man15)
Pages
43
Size
1.61 MB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Complete
File
r-895m-sm15.pdf
Date
PREV: Sharp R-895M (serv.man14) Service Manual

Sharp R-895M (serv.man15) Service Manual ▷ View online

R-895M - 33
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
TOP GRILL HEATING ELEMENT 
BOTTOM HEATING ELEMENT
H.V. RECTIFIER
MAGNETRON
HIGH VOLTAGE 
TRANSFORMER
T/C TRANSFORMER
CAPACITOR
1.13 
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
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/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
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
1.13 
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
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/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
1.13 
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
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/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-895M - 34
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
1.13 
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
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/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
1.13 
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
4700p/ 250V
4700p/ 250V
10M/ 0.5W
NOISE SUPPRESSION COIL
680 k/ 0.5W
0.22
µ
/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-895M - 35
Figure S-1. Pictrorial Diagram
PICTORIAL DIAGRAM
WHT
WHT
BLK
WHT
TC2: OVEN 
THERMAL 
 
CUT-OUT
TC1:
MG. THERMAL
 CUT-OUT
 OL: OVEN LAMP 
ORG
RED
WHT
1 BRN
2
8
3 ORG
4
5 GRY
6
7 WHT
9 BLU
COM
GRY
WHT
BLU
GRY
RED
WHT
N.C.
NC
COM
 SW2: 
STOP 
 
SWITCH
NO
COM
GH1: 
 TOP GRILL 
 
HEATING ELEMENT
 GH2:BOTTOM 
 
HEATING 
 
ELEMENT
GRY
RED
WHT
BRN
BLU
GRN
GRN
GRN
BLU
TTM:
TURNTABLE
MOTOR
T/C TRANSFORMER
SW3:
MONMITOR
SWITCH
SW1:
MONITORED
LATCH 
SWITCH
ORG
ORG
BLU
BRN
BRN
RED
RED
RED
RED
ORG
RED
BLK
BLU
GRY
CN-A
1
CN-B
2
RED
GRN
RED
GRY
GRY
ORG
RED
NOISE FILTER
L
TP
F 8 A
TL
RED
20 A
WHT
N
ORG
ORG
1 BLU
2
3 BRN
4
5 ORG
6
7 RED
FM: FAN   
MOTOR
GRY
RED
WHT
HIGH VOLTAGE COMPONENTS
G–Y
POWER SUPPLY CORD
NEUTRAL
LIVE
EARTH
CN-B
11
2
2
1
SP1
RY2
RY4
RY3
CONTROL PANEL
CN-A
CN-E
RY5
1
1
7
9
CN-F
CN-E
WH-1
CN-1
IC-1
CN-J
RY1
RY6
RY7
MG:MAGNETRON
H.V.WIRE B
T:
C:
H.V. 
CAPACITOR
H.V.
RECTIFIER
ASYMMETRIC RECTIFIER
 HIGH VOLTAGE  TRANSFORMER
RED
BRN
BRN
BRN
WHT
THERMISTOR
1
3
CN-C
2
3
1
BLK
BLK
CN-C
CM: CONVECTION  
MOTOR
BLU
BRN
BRN
RED
R-895M - 36
Figure S-2. Power Unit Circuit
E 1
WH1-3
WH1-6
WH1-9
WH1-5
WH1-8
WH1-1
WH1-2
WH1-n
WH1-10
WH1-12
WH1-13
WH1-14
WH1-15
WH1-11
E 3
E 5
E 7
T1
AC230-240V
50Hz
FAN MOTOR
OVEN
THERMISTOR
GND
GND
R3 510 1w
R6 200 1w
Q2
KTA1274
Q3
KRC243M
R4 510 1w
D11-D14
1N4005E
or
1N4004S
RY5
a
b
c
d
D11
D12
D13
D14
C1
VRS1
(J1)
(J2)
D5
RY6
D6
RY1
D1
R2
1.5k
ZD2
HZ20-1
RY4
D4
RY3
D3
RY2
D2
10G471K
C3
C2 1000
µ
/35v
C5
10
µ
/35v
C4 10
µ
/35v
R5 3.3k
SP1
VC
BUZZER
VR
INT
POWER
CONTROL
STOP
SWITCH
NC
BOTTOM
HEATING
ELEMENT
GRILL
HEATING
ELEMENT
HIGH VOLTAGE
TRANSFORMER
STOP
SWITCH
OVEN LAMP
TURNTABLE
MOTOR
DOOR OPEN
CONTACT 
A 1
A 3
A 5
C 3
A 7
N O
N O
N O
N O
COM
COM
COM
COM
B 2
B 1
NOTE 1.
NOTE 2.
+
–
+
–
+
–
WH1-7
CONVECTION
MOTOR
RY7
D7
A 9
: IF NOT SPECIFIED, 1/4W ± 5% 
15P WIRE HARNESS 
: IF NOT SPECIFIED, 0.1µF / 50V 
: IF NOT SPECIFIED, 1SS270A
C 1
WH1-4
POWER UNIT CIRCUIT DIAGRAM
Page of 43
Display

Click on the first or last page to see other R-895M (serv.man15) service manuals if exist.

RANDOM: