Yokogawa µR20000 User Manual
Service manual
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Table of contents
Document Outline
- Important Notice to the User
- Trademarks
- Introduction
- Safety Standards and EMC Standards
- Precautions Related to the Protection, Safety, and Alteration of the Product
- Exemption from Responsibility
- Conventions Used in This Manual
- Overview of This Manual
- Contents
- Chapter 1 Principles of Operation
- Chapter 2 Troubleshooting
- Chapter 3 Testing
- 3.1 Acceptance Test
- 3.2 Self Diagnostic Test
- 3.3 Performance Tests
- 3.4 Test Procedures
- Insulation Resistance
- Protective Grounding
- Withstand Voltage
- Measurement Accuracy
- Channel-to-Channel Error
- Burnout Detection
- Reference Junction Compensation Accuracy
- Display
- Keys
- Power Supply Frequency Detection
- Battery Backup
- Recording Accuracy
- Z-Fold Chart Paper Feed Accuracy
- Dead Band (Pen Model)
- Pen Offset (Pen Model)
- Ink Bleed (Dot Model)
- Overscale Amount
- Relay Contact Output
- Remote Control Input
- Loop Back Test (Ethernet Communication Interface, /C7)
- Z-Fold Chart Paper End Detection
- Other Functions in Test Mode
- Chapter 4 Adjustments
- Chapter 5 Schematic Diagram
- Chapter 6 Customer Maintenance Parts List
- Chapter 7 Replacing Parts
- 7.1 Introduction
- 7.2 Replacable Parts
- 7.3 Disassembly
- Door Assembly [Item 1 on pages 6-2 and 6-12]
- Internal Unit - Frame Assembly [Item 5 on pages 6-2 and 6-12]
- CPU Assembly, Battery Assembly [Item 14 on pages 6-4 and 6-14]
- Joint PCB [Item 6 on pages 6-4 and 6-14]
- Chart Paper Feed Motor - Motor Assembly (B9962EJ) [Item 10 on pages 6-5 and 6-15]
- Display Assembly [Item 1 on pages 6-4 and 6-14]
- Dot Driver PCB [Item 7 on page 6-14]
- Ribbon Holder Assembly [Item 18 on page 6-15]
- Ribbon Feed Motor - Motor Assembly (B9962EJ) [Item 10 on page 6-15]
- Swing Gear A and B [Items 11 and 12 on page 6-15]
- Ribbon Shift Motor - Motor Assembly (B9962EJ) [Item 10 on page 6-15]
- Lever Assembly (B9901EK) [Item 26 on page 6-15]
- Pulley Assembly (B9963CJ) [Item 25 on page 6-15]
- Carriage Assembly (B9963CL) [Item 14 on page 6-15]
- Carriage Motor - Motor Assembly (B9963CF) [Item 23 on page 6-15]
- Pen Servo Assembly (B8800FG) [Item 23 on page 6-5],
- Pen Driver PCB [Item 7 on page 6-4]
- Pen Arm Assembly [Items 24 to 27 on page 6-5]
- Pulley Bearing (B9900RP) [Item 17 on page 6-5]
- Plotter X Motor - X Motor Assembly (B8800DT) [Item 20 on page 6-5]
- Carriage Assembly (B8800DJ) [Item 11 on page 6-5]