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R-307KK
Sharp R-307KK Manuals
Manuals and User Guides for Sharp R-307KK. We have
1
Sharp R-307KK manual available for free PDF download: Service Manual
Sharp R-307KK Service Manual (40 pages)
Service Manual
Brand:
Sharp
| Category:
Microwave Oven
| Size: 1.94 MB
Table of Contents
Microwave Oven
1
Table of Contents
2
Precautions to be Observed before and During Servicing to Avoid Possible Expo
3
After Repairing
4
Before Servicing
4
When the Testing Is Completed
4
Before Servicing
3
Exposure to Excessive Microwave Energy
3
Chapter 2. Microwave Measurement Pro
5
Requirements
5
CEDURE 1] Requirements:
5
Preparation for Testing
5
Leakage Test
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 Grounding Instructions
8
Chapter 5. General Information 1] Grounding Instructions
8
Oven Diagram
8
General Information
8
Chapter 6. Operation Description of Operating Se- Quence
10
Operation
10
Oven Schematic
11
Description and Function of Components
12
Chapter 8 Test Procedures
13
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 or THERMAL CUT-OUT TEST
15
Procedure F: SECONDARY INTERLOCK SWITCH TEST
15
Procedure F: PRIMARY INTERLOCK SYSTEM TEST
15
Procedure G: MONITOR SWITCH TEST
16
Procedure H: BLOWN MONITOR FUSE TEST
16
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
Troubleshooting Chart
13
Chapter 7. Troubleshooting Guide
13
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
Warnings
25
Adjustment Procedure 1] Warnings
25
Outer Case Removal
26
Power Transformer Removal
26
High Voltage Components Removal(High Voltage Capacitor and High Volt- Age Rectifier Assembly)
26
Magnetron Removal
26
Positive Lock Connector (No-Case Type) Removal
27
Control Panel Assembly Removal
27
Graphic Sheet and Membrane Switch Replacement
27
Turntable Motor Removal
28
Cooling Fan Motor Removal
28
Power Supply Cord Replacement
29
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
Parts List
35
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