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R-310AK
Sharp R-310AK User Manual
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11
R-310AK
R-330AK
R-330AW
6
45
1
2
3
6
45
1
2
3
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
Figure S-2(a). Power Unit Circuit (R-310AK)
+
–
+
–
A 3
C 1
C 2
C 3
C 4
C 5
C 6
C 7
C 8
C 9
B 1
B 2
T1
AC
AC
SH-B
SH-A
MICRO
NOTE
: IF NOT SPECIFIED, 1/4w
±
5%
: IF NOT SPECIFIED, 1SS270A
TURNTABLE
MOTOR
OVEN LAMP
FAN
MOTOR
1
WH-1
R4 27
R5 4.7k
R3 910 1/2w
R6 3.3k
SP1
VRS1
C1 0.1
µ
/50v
C5
10
µ
/35v
C2 1000
µ
/25v
(J1)
D5
D3
D4
D2
D1
a
c
d
b
D6
RY1
D7
D8
RY2
J2
Q2 2SA933
D1-D4
11ES1
Q3 KRC243M
V
R
V
R
V
R
LD1-LD5
LD1
LD2
LD3
LD4
LD5
A 1
N.O.
COM
2
3
4
12
14
Table of Contents
Table of Contents
1
Before Servicing
2
Exposure to Excessive Microwave Energy
2
Test Procedures
3
Touch Control Panel Assembly Test
3
Relay Test
3
Touch Control Panel Assembly
5
Outline of Touch Control Panel
5
Control Unit
5
Description of Lsi
6
Operational Principle of Absolute Humidity Sensor
10
Structure of Absolute Humidity Sensor
10
Absolute Humidity Sensor Circuit
10
Component Replacement and Adjustment Procedure
11
Control Panel Assembly Removal
11
Side View of CPU Unit and Power Unit
11
Cpu Unit and Power Unit
11
Parts List for Control Panel
18
Control Panel Parts
18
Information for Parts Changing
19
Interchangeability
19
Oven and Cabinet Parts
20
Control Panel, Door and Miscellaneeous Parts for R-310Ak
21
Table of Contents
25
Precautions to be Observed before and During Service to Avoid Possible Exposure to Excessive Microwave Energy
26
Before Servicing
27
Microwave Measurement Procedure
28
Foreword
29
Specification
30
General Information
30
Touch Control Panel
31
Time Display
31
Oven Diagram
31
Electrical Requirements
31
Description of Operating Sequence
32
Off Condition
32
Cooking Condition
32
Operation
32
Cooking Sequence
33
Oven Schematic-Off Condition
33
Description and Function of Components
34
Door Open Mechanism
34
Monitor Switch
34
Monitor Fuse
35
Oven Thermal Cut-Out
35
Cooling Fan Motor
35
Turntable Motor
35
Troubleshooting Guide
35
Test Procedure
36
Magnetron Assembly Test
37
Power Transformer Test
37
High Voltage Rectifier Test
37
High Voltage Capacitor Test
38
Door Sensing Switch
38
Primary Interlock Relay
38
Blown Monitor Fuse
39
Outer Case Switch Test
39
Compu Defrost Test
40
Key Unit Test
40
Ah Sensor Test
41
Testing Method for Ah Sensor And/Or Control Unit
42
Checking Control Unit
42
Sensor Dummy Resistor Circuit
42
Touch Control Panel
43
Description of Lsi
44
Servicing
49
Precautions for Handling Electronic Components
49
Servicing of Touch Control Panel
49
Magnetron Removal
50
Outer Case Removal
50
Power Transformer Removal
50
Component Replacement and Adjustment Procedure
50
Pictorial Diagram
50
High Voltage Rectifier and High Voltage Capacitor Removal
51
Oven Lamp and Lamp Socket Removal
51
Turntable Motor Removal
51
Cooling Fan Motor Removal
52
Outer Case Switches Replacement
53
Door Replacement
53
Door Disassembly
54
Sealer Film
54
Cabinet Parts
61
Electric Parts
61
Parts List for R-310Ak
61
Oven Parts
62
Door Parts
62
Miscellaneous
62
Screws,Nuts and Washers
62
How to Order Replacement Parts
63
Packing and Accessories for R-310Ak
63
Parts List for R-330Ak/Aw
66
Packing and Accessories
71
4
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Sharp R-310AK Specifications
General
Brand
Sharp
Model
R-310AK
Category
Microwave Oven
Language
English
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