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R-230KW
Sharp R-230KW Manuals
Manuals and User Guides for Sharp R-230KW. We have
1
Sharp R-230KW manual available for free PDF download: Service Manual
Sharp R-230KW Service Manual (40 pages)
Brand:
Sharp
| Category:
Microwave Oven
| Size: 1.9 MB
Table of Contents
Table of Contents
2
Precautions to be Observed before
3
After Repairing
4
Before Servicing
4
When the Testing Is Completed
4
Before Servicing
3
CHAPTER 2. MICROWAVE MEASUREMENT PROCEDURE Requirements
5
PROCEDURE 1] Requirements:
5
Preparation for Testing
5
Leakage Test
5
Chapter 1 Warning
6
Danger
6
Chapter 3. Foreword and Warning Foreword
6
Chapter 4. Product Description
7
Specifications
7
Chapter 5. General Information Grounding Instructions
8
Chapter 5. General Information 1] Grounding Instructions
8
Oven Diagram
8
Chapter 6. Operation
10
Description of Operating Sequence
10
Oven Schenatic
11
Description and Function of Components
12
Chapter 7. Troubleshooting Guide
13
Troubleshooting Chart
13
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 : Thermal Cut-Out (Oven ) Test
15
E : Temperature Fuse (Oven) Test
15
F : Secondary Interlock Switch Test
15
F : Primary Interlock System Test
16
G : Monitor Switch Test
16
H : Blown Minitor Fuse Test
17
I : Noise Filter Test
17
J : Touch Control Panel Assem- Bly Test
17
K : Key Unit Test
17
L : Relay Test
19
M : Defrost Test
19
N : Foil Pattern on the Printed Wiring Board Test
19
Chapter 9. Touch Control Panel Assem
21
Outline of Touch Control Panel
21
Description of Lsi
21
Servicing for Touch Control Panel
23
Chapter 10. Precautions for Using Lead- Free Solder
24
Employing Lead-Free Solder
24
Using Lead-Free Wire Solder
24
Soldering
24
Chapter 11. Component Replacement
25
Warning
25
And Adjustment Procedure 1] Warning
25
Outer Case Removal
26
Magnetron Removal
26
High Voltage Components Removal (High Voltage Capacitor and High Voltage Rectifier Assembly)
26
Power Transformer Removal
26
Positive Lockr Connector (No- Case Type) Removal
27
Control Panel Assembly Removal
27
Graphic Sheet and Membrane Switch Replacement
27
Power Supply Cord Replacement
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
32
Pictorial Diagram (Figure S-1)
32
Control Panel Circuit (Figure S-2)
33
Printed Wiring Board (Figure S-3)
34
Microwave Oven
35
Parts List
35
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