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R-428JK
Sharp R-428JK User Manual
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36
R-
428JK
R-428JW
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-5 . Printed Wiring Board of Power Unit
RY
1
RY
2
E C B
E C B
E C B
VRS1
L1
D7
D3
PS
D4
C2
D1
C1
D2
R8
R7
R2
R4
Q3
Q4
SP1
T1
D6
DZ1
WH-2
WH-2
LED
Q2
D5
D8
D30
1
2
J1
J6
J2
J5
R5
C4
C5
CN-B
CN-F
1 2 3
C10
DIP
CHIP
SIDE
R90
J3
D31
R3
R6
EB
1
1
2
2
Q1
37
39
Table of Contents
Table of Contents
1
Precautions to be Observed before and During Servicing to Avoid Possible Exposure to Excessive Microwave Energy
2
Before Servicing
2
Warning to Service Personnel
3
Microwave Measurement Procedure
4
Foreword and Warning
5
Product Specifications
6
General Information
6
Operation
8
Troubleshooting Guide
12
Test Procedure
13
Touch Control Panel
23
Component Replacement and Adjustment Procedure
29
Pictorial Diagram
36
Cpu Unit Circuit
37
Printed Wiring Board
38
Parts List
39
Packing and Accessories
43
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Sharp R-428JK Specifications
General
Brand
Sharp
Model
R-428JK
Category
Microwave Oven
Language
English
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