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R-220KK
Sharp R-220KK Manuals
Manuals and User Guides for Sharp R-220KK. We have
1
Sharp R-220KK manual available for free PDF download: Service Manual
Sharp R-220KK Service Manual (40 pages)
Brand:
Sharp
| Category:
Microwave Oven
| Size: 1.91 MB
Table of Contents
Table of Contents
2
Precautions to be Observed before and During Servicing to Avoid Possible Expo
3
After Repairing
4
When the Testing Is Completed
4
Before Servicing
3
CHAPTER 2. MICROWAVE MEASUREMENT PRO- CEDURE 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
Oven Diagram
8
Chapter 6. Operation Description of Operating Se- Quence
10
Oven Schenatic
11
Description and Function of Components
12
Chapter 7. Troubleshooting Guide
13
Troubleshooting Chart
13
CHAPTER 8. TEST PROCEDURES Procedure A: MAGNETRON ASSEMBLY TEST
14
Procedure B: POWER TRANSFORMER TEST
14
Procedure C : HIGH VOLTAGE RECTIFIER TEST
14
Procedure D : HIGH VOLTAGE CAPACITOR TEST
15
Procedure E: TEMPERATURE FUSE (OVEN) TEST
15
Procedure E : THERMAL CUT-OUT (OVEN ) TEST
15
Procedure F: SECONDARY INTERLOCK SWITCH TEST
15
Procedure F: PRIMARY INTERLOCK SYSTEM TEST
16
Procedure G: MONITOR SWITCH TEST
16
Procedure H: BLOWN MINITOR FUSE TEST
17
Procedure I: NOISE FILTER TEST
17
Procedure J: TOUCH CONTROL PANEL ASSEMBLY TEST
17
Procedure K: KEY UNIT TEST
18
Procedure L: RELAY TEST
19
Procedure M: DEFROST TEST
19
Procedure 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 and
25
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 Lock 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
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