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R-530EK-T
Sharp R-530EK-T User Manual
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R530EWT
12 – 4
[4] Printed Wiring Board of Power Unit
Figure S-4. Printed Wiring Boa
rd of Power Unit
W
H-1
S
H-B
S
H-A
1
C3
C4
C5
R3
C2
F
C1
10
D4
D2
D1
D3
(J1)
D9
(D10)
RY3
(
C
N-D
)
D8
ZD1
VRB
DU
R2
R1
R6
R5
SP1
3
E
B
D6
D5
Q2
R4
2
6
11
P
S
RY2
T1
AC
VRS1
5
D7
OMIF
DU
9
8
7
E
Q1
B
4
E
RY1
AC
OL
TTM
FM
B
Q3
(
C
N-C
)
C
N-C
CN
-
B
CN
-
A
1
1
9
12
1
1
12
XA
VH
2
2
34
36
Table of Contents
Default Chapter
2
Table of Contents
2
Before Servicing
3
Precautions to be Observed before
3
After Repairing
4
Before Servicing
4
When the Testing Is Completed
4
Exposure to Excessive Microwave Ener
3
Chapter 2. Microwave Measurement
5
Requirements
5
Preparation for Testing
5
Leakage Test
5
PROCEDURE 1] Requirements:
5
Chapter 1 Warning
6
Danger
6
Chapter 3. Foreword and Warning
6
Foreword
6
Chapter 4. Product Description
7
Specifications
7
Chapter 5. General Information
8
Grounding Instructions
8
Oven Diagram
8
Chapter 6. Operation Description of Operating Se- Quence
9
Operation
9
Oven Schematic
10
Description and Function of Components
11
Test Procedures
11
Troubleshooting Guide
13
Chapter 7 . Troubleshooting Guide
14
Chapter 8. Test Procedures
14
A: Magnetron Assembly Test
14
B: Power Transformer Test
14
C: High Voltage Rectifier Test
14
D: High Voltage Capacitor Test
15
E: Temperature Fuse or Thermal Cut-Out Test
15
F: Secondary Interlock Switch and Primary Interlock System Test
15
G: Monitor Switch Test
16
H: Blown Monitor Fuse Test
16
I: Noise Filter Test
17
J: Touch Control Panel Assembly Test
17
K: Key Unit Test
18
L: Relay Test
18
M: Defrost Center Test
19
N: Foil Pattern on the Printed Wiring Board Test
19
O: Ah Sensor Test
20
Chapter 9. Touch Control Panel Assembly
22
Outline of Touch Control Panel
22
Absolute Humidity Sensor Circuit
23
Servicing for Touch Control Panel
24
Chapter 10. Precautions for Using Lead
25
Chapter 11. Component Replacement
26
Warnings
26
Outer Case Removal
26
And Adjustment Procedure 1] Warnings
26
Power Transformer Removal
27
High Voltage Rectifier and High Voltage Capacitor Removal
27
Magnetron Removal
27
Oven Lamp Removal
28
Positive Lock Connector (No-Case Type) Removal
28
Control Panel Assembly Removal
28
Turntable Motor Removal
28
Cooling Fan Motor Removal
28
Door Sensing Switch/Secondary Interlock Switch and Monitor Switch Removal
29
Door Sensing Switch/Secondary Interlock Switch and Monitor Switch Adjustment
29
Door Replacement
30
CHAPTER 12. CIRCUIT DIAGRAMS Pictorial Diagram
32
Power Unit Circuit
33
LSI Unit Circuit
34
Printed Wiring Board of Power Unit
35
Parts List
37
4
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Sharp R-530EK-T Specifications
General
Brand
Sharp
Model
R-530EK-T
Category
Microwave Oven
Language
English
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