R-22AMM (serv.man12). Circuit Diagrams — Sharp Home Appliance Service Manual (repair manual)

Model
R-22AMM (serv.man12)
Pages
6
Size
450.76 KB
Type
PDF
Document
Service Manual
Brand
Device
Home Appliance / Microwave Oven / Circuit Diagrams
File
r-22amm-sm12.pdf
Date

View Sharp R-22AMM (serv.man12) Service Manual online

R22AMM
12 – 1
R22AMM
Service Manual
 
CHAPTER 12. 
CIRCUIT DIAGRAMS
[1] Oven Schematic
Figure O-1 Oven Schematic-OFF Condition
Figure O-2 Oven Schematic-IDLE Condition (Door opened condition)
SCHEMATIC
NOTE: CONDITION OF OVEN
1. POWER SUPPLY CONNECTED AND/OR 1MINUTE AFTER DOOR CLOSED OR COOK OFF.
2. “  .   0” APPEAR ON DISPLAY.
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.       2. COOKING TIME ENTERED.       3. STRAT KEY TOUCHED.
SW5:
STOP
SWITCH
TH3:
EXHAUST
THERMISTOR
TH1:
MAGNETRON
THERMISTOR
(Upper)
TH2:
MAGNETRON
THERMISTOR (Lower)
CN-A
CN-A
F3
:W
EAK
POINT
A017
WEAK POINT
FFS-GA014
BLU
NEUTRAL
LIVE
GRN/YLW
BRN
NOISE FILTER
SW1:
INTERLOCK SWITCH
SW3: MONITOR SWITCH
SW4:
MONITOR
SWITCH
NOISE
SUPPRESSION
COIL
DISCHARGE
RESISTOR
680
1/2W
DISCHARGE
RESISTOR
10
1/2W
LINE
CROSS
CAPACITOR
0.22μF/
AC250V
LINE
BYPASS
CAPACITOR
10000
pF/
AC250V
LINE
BYPASS
CAPACITOR
10000
pF/
AC250V
T3: TOUCH
CONTROL
TRANSFORMER
F2:
FUSE
F10A
TF1: TEMP. FUSE 150¡C
(Upper Mag.)
TF3:
EXHAUST
TEMP. FUSE
120¡C
TF1:
TEMP. FUSE 150¡C
(Lower Mag.)
CONTROL UNIT
T1:
H
IGH
VOLTAGE
TRANSFORMER
(Front)
230
-
240V~50Hz
H.
V.
RECTIFIER
C1: H.V. CAPACITOR
0.94μF/ AC2300V
C2: H.V. CAPACITOR
0.94μF/ AC2300V
MG1:
MAGNETRON
(Upper)
F1:
FUSE
F10A
OVEN
LAMP
BLOWER MOTOR
ANTENNA MOTOR
SM
SM
BM
H.
V.
RECTIFIER
MG2:
MAGNETRON
(Lower)
T2:
HIGH
VOLTAGE
TRANSFORMER
(Rear)
OL
RY1
EARTH
F4:
H.V.FUSE
0.80 A
F5:
H.V.FUSE
0.80 A
L
N
1
3
6
5
4
3
2
1
5
4
3
2
1
5
RY4: COOK
RELAY
RY3: COOK
RELAY
SW2:
INTERLOCK SWITCH
CT-Unit
NOTE:
indicates components with potential above 250 V.
SW5:
STOP
SWITCH
TH3:
EXHAUST
THERMISTOR
TH1:
MAGNETRON
THERMISTOR
(Upper)
TH2:
MAGNETRON
THERMISTOR (Lower)
CN-A
CN-A
F3
:W
EAK
POINT
A017
WEAK POINT
FFS-GA014
BLU
NEUTRAL
LIVE
GRN/YLW
BRN
NOISE FILTER
SW1:
INTERLOCK SWITCH
SW3: MONITOR SWITCH
SW4:
MONITOR
SWITCH
NOISE
SUPPRESSION
COIL
DISCHARGE
RESISTOR
680
1/2W
DISCHARGE
RESISTOR
10
1/2W
LINE
CROSS
CAPACITOR
0.22μF/
AC250V
LINE
BYPASS
CAPACITOR
10000
pF/
AC250V
LINE
BYPASS
CAPACITOR
10000
pF/
AC250V
T3: TOUCH
CONTROL
TRANSFORMER
F2:
FUSE
F10A
TF1: TEMP. FUSE 150¡C
(Upper Mag.)
TF3:
EXHAUST
TEMP. FUSE
120¡C
TF1:
TEMP. FUSE 150¡C
(Lower Mag.)
CONTROL UNIT
T1:
H
IGH
VOLTAGE
TRANSFORMER
(Front)
230
-
240V~50Hz
H.
V.
RECTIFIER
C1: H.V. CAPACITOR
0.94μF/ AC2300V
C2: H.V. CAPACITOR
0.94μF/ AC2300V
MG1:
MAGNETRON
(Upper)
F1:
FUSE
F10A
OVEN
LAMP
BLOWER MOTOR
ANTENNA MOTOR
SM
SM
BM
H.
V.
RECTIFIER
MG2:
MAGNETRON
(Lower)
T2:
HIGH
VOLTAGE
TRANSFORMER
(Rear)
OL
RY1
EARTH
F4:
H.V.FUSE
0.80 A
F5:
H.V.FUSE
0.80 A
L
N
1
3
6
5
4
3
2
1
5
4
3
2
1
5
RY4: COOK
RELAY
RY3: COOK
RELAY
SW2:
INTERLOCK SWITCH
CT-Unit
NOTE:
indicates components with potential above 250 V.
R22AMM
12 – 2
Figure O-3 Oven Schematic-Cooking Condition
SCHEMATIC
NOTE: CONDITION OF OVEN
1. DOOR CLOSED.
2. COOKING TIME PROGRAMMED. 
4. STRATBUTTON PRESSED.
SW5:
STOP
SWITCH
TH3:
EXHAUST
THERMISTOR
TH1:
MAGNETRON
THERMISTOR
(Upper)
TH2:
MAGNETRON
THERMISTOR (Lower)
CN-A
CN-A
F3
:W
EAK
POINT
A017
WEAK POINT
FFS-GA014
BLU
NEUTRAL
LIVE
GRN/YLW
BRN
NOISE FILTER
SW1:
INTERLOCK SWITCH
SW3: MONITOR SWITCH
SW4:
MONITOR
SWITCH
NOISE
SUPPRESSION
COIL
DISCHARGE
RESISTOR
680
1/2W
DISCHARGE
RESISTOR
10
1/2W
LINE
CROSS
CAPACITOR
0.22μF/
AC250V
LINE
BYPASS
CAPACITOR
10000
pF/
AC250V
LINE
BYPASS
CAPACITOR
10000
pF/
AC250V
T3: TOUCH
CONTROL
TRANSFORMER
F2:
FUSE
F10A
TF1: TEMP. FUSE 150¡C
(Upper Mag.)
TF3:
EXHAUST
TEMP. FUSE
120¡C
TF1:
TEMP. FUSE 150¡C
(Lower Mag.)
CONTROL UNIT
T1:
H
IGH
VOLTAGE
TRANSFORMER
(Front)
230
-
240V~50Hz
H.
V.
RECTIFIER
C1: H.V. CAPACITOR
0.94μF/ AC2300V
C2: H.V. CAPACITOR
0.94μF/ AC2300V
MG1:
MAGNETRON
(Upper)
F1:
FUSE
F10A
OVEN
LAMP
BLOWER MOTOR
ANTENNA MOTOR
SM
SM
BM
H.
V.
RECTIFIER
MG2:
MAGNETRON
(Lower)
T2:
HIGH
VOLTAGE
TRANSFORMER
(Rear)
OL
RY1
EARTH
F4:
H.V.FUSE
0.80 A
F5:
H.V.FUSE
0.80 A
L
N
1
3
6
5
4
3
2
1
5
4
3
2
1
5
RY4: COOK
RELAY
RY3: COOK
RELAY
SW2:
INTERLOCK SWITCH
CT-Unit
NOTE:
indicates components with potential above 250 V.
R22AMM
12 – 3
[2] Pictorial Diagram (Figure S-1)
Figure S-1. Pictorial Diagram
BRN
NOISE
F
ILTER
BLU
N
L
SW5
:STOP
SWITCH
TOUCH
CONTROL
PANEL
CN-C
3
6
GRN
2
4
5
1
ORG
NO
COM.
BLU
GRN
GRN
ORG
WHT
COM.
NO
SW1:
INTERLOCK SWITCH (Cabinet
side)
COM.
NO
COM.
NC
BRN
BLU
HIGH
VOLTAGE
COMPONENTS
MG1
:
MAGNETRON (Upper)
White
case
Black
tape
MG2
:
MAGNETRON (Lower)
T1
:
HIGH
VOLTAGE
TRANSFORMER
F4:
H.V.
FUSE
F5:
H.V.
FUSE
H.V.
RECTIFIER
C2
:H
IGH
VOLTAGE
CAPACITOR
BLK
WHT
OL
:
OVEN
LAMP
&
S
OCKET
CONNECTOR
G/Y
POWER SUPPLY CORD
EARTH
NEUTRAL
LIVE
BLK
WHT
SW3
:
MONITOR SWITCH (Cabinet
side)
CN-A
CN-A
CN-B
4
1
BLK
5
YLW
3
RED
2
CN-G
4
BLU
1
WHT
5
BLU
3
BLU
2
BLU
4
1
5
3
2
CN-E
3
WHT
1
BLU
2
BLU
3
1
2
5
BLK
1
GRN
3
GRY
2
RED
4
YLW
BM
:BLOWER MOTOR
CN-B
GRN
BLU
COM.
NC
BRN
BLU
SW4
:
MONITOR SWITCH (Oven
side)
BLU
BLU
RED
RED
RED
BRN
WHT
WHT
WHT
SW2:
INTERLOCK SWITCH (Oven
side)
YLW
WHT
ORG
ORG
BLU
SM:
ANTENNA
MOTOR (Upper)
BLK
BLK
RED
WHT
BLK
T2
:
HIGH
VOLTAGE
TRANSFORMER
C1
:H
IGH
VOLTAGE
CAPACITOR
H.V.
RECTIFIER
TH1:
MAGNETRON THERMISTOR
(Upper)
TH2: MAGNETRON THERMISTOR
(Lower)
BLK
BLK
WHT
BLK
W H T
W H T
B L K
B L K
O R G
Y L W Y L W
Y L W Y L W
O R G
F1
:F
USE
F
10A
(Cabinet
side)
(Blue
case)
(Blue
case)
(Blue
case)
(Blue
case)
(Blue
case)
(Bluecase)
(Blue
case)
(Blue
case)
(Blue
case)
(Blue
case)
(Blue
case)
(Blue
case)
(Blue
case)
(Blue
case)
(Bluecase)
(Blue
case)
ORG
ORG
ORG
ORG
ORG
ORG
BLU
F2
:F
USE
F
10A
(Oven
side)
Blue case
TF1:
T
EMP.
FUSE
150ûC
(Upper
MAG.)
TF3:
EXHAUST
TEMP.
FUSE
120ûC
BRN
BLK
TF2:
TEMP.
F
USE
150ûC
(Lower
MAG.)
BRN
BLK
1
2
RED
GRN
1
2
GRY
GRN
1
2
WHT
GRN
YLW
1
2
3
GRN
RED
SM:
ANTENNA MOTOR
(Lower)
TOUCH
CONTROL
TRANSFORMER
ROTARY
ENCODER
U
NIT
WEAK
POINT
FFS-GA014
SWITCH
UNIT
ASSEMBLY
CN-D
CN-D
CN-E
RY1
BZ
1
1
1
3
1
1
1
5
5
6
8
RY4
F1:
FUSE
2.5A
ORG
RED
YLW
WHT
1
2
3
4
5
6
7
8
BLU
BRN
BLK
WHT
A017
WHT
WHT
RY3
CN-C
CN-G
I-1
I-2
5
BRN
BRN
BRN
R22AMM
12 – 4
[3] Control Panel Circuit 
Figure S-2. Control Unit Circuit
47
44
46
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
P45
P44
P43
P42
INT1
INT0
RESET
P71
P70
XIN
XOUT
VSS
32
31
30
29
28
27
26
25
24
23
22
21
P30
P31
P32
P33
P34
P35
P36
P37
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
M1
COM
3
4
1
2
6
5
8
7
A0
A1
A2
VSS
VCC
TEST SCL
SDA
I-2
D1
D2
D3
D4
3
2
1
Q3
RY3
RY1
CN-A
C30
R33
R31
10K
2G 
3G 
4G 
5G 
6G

j
k
NP 
F2 
F2
f
e
d
a
1G
OL
AC2
AC1
b
c
2
1
P27
P26
P25
P24
P23
P22
P21
P20
P17
P16
P15
41
43
42
40
39
38
37
36
35
34
33
P46
P47
P50
P51
P52
P53
P54
P55
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
VREF
AVSS
VEE
3
1
2
4
5
6
7
8
9
10
11
12
13
14
15
17
18
19
20
P14
45
CP
F1
F1
NC
CP
F1
F1
3
R95
R96
R97
4.7K
R94
D7
10EDB10
C1
C2
50V/0.1uF
50V
/2200uF
R1
1.5K
Q11
2SB953
ZD1
HZ16-1
C3
C8
16V/100uF
50V/10uF
C4
C5
50V/10uF
C10
ZD2
HZ4C 3
Q2 KRA101M
R5
10K
10K
4.7K
18K
3.9K
C7
D6
D5
10EDB10
C74
C9
50V/10uF
R2
270/1W
R21
56K
C21
KRA101M
Q20
P1
S1
S2
S2
S1
P2
Q80
C80
D81
C81
Q81
M2
COM
RY4
D83
D84
10EDB10
D70
D71
100
R70
R71
4.7K
C70
J2
J1
15K
R67
R66
54
CF1
J4
C98
C99
C10
0
g
h
UB
NC
LB
50V /
0.1uF
R3
R6
1W
150
50V/0
.1u
F
50V/0.1uF
R41 
20K
Q40
KRA101M
Q41
2SB1238
BZ
R42
R43
39K
10K
C31
R30
100
DTB143ES
Q86
Q87
R65
R64
4.7K
4.7K
39K
4.7K
33K
33K
330P
x
3
C60
C61
C62
C63
R60
R61
R62
R63
33K
2.7
K
2.7
K
CN-C
CN-E
Encoder
CN-G
(SW5)
(SW3)
(SW1)
(SW2)
(SW4)
Switch
Unit
4.7K
4.7K
4.7K
4.7K
CN-B
CN-D
D
U
24D
1-1PR(M)
VC
54
3
2
1
C6
50V/0.1u
F
I-1
F1
1
5
3
4
5
6
7
8
3
2
1
23
24
25
22
BLACK
R22
4.7K
C22
C75
CAT24WC16PI
VC
Door
4
5
6
3
2
1
:IF
NOT
SPECIFIED
0.01uF/16V
:IF
NOT
SPECIFIED
1/4W
±5%
:IF
NOT
SPECIFIED
1SS133
RED
Oven
TH
CT
IN
MG.
TH2
MG.
TH1
*I
-1
P00
-P23
P
ULL
D
OWN
P24
-P27
P
ULL
D
OWN
CST4.00MGW
R74
100K
R73
100K
50V/10uF
VCC
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
DEF
EXTRA
SENSOR
CHECK
POWER
%
DOUBLE
ON
NUMBER
1
2
3
FILTER
DG1
FLUORESCENT
DISPLAY
TUBE
R40
3.3K
R93
R32
2.7K
10EDB10
KIA79L05P
D1
-
D4:
10EDB10
50V/0.1uF
DTD143ES
50V/10uF
KRA101M
VRS1
470V
FTR-F3AA024E
DU24D1-1PR(M)
DTB143ES
1
2
3
1
2
3
AB
C
R75
4.7K
R76
4.7K
C76
6.2
1/2W
J3
16
Page of 6
Display

Download Sharp R-22AMM (serv.man12) Service Manual (Repair Manual)

Here you can view online or download Sharp R-22AMM (serv.man12) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp R-22AMM (serv.man12) Microwave Oven. Information contained in Sharp R-22AMM (serv.man12) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).