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Chapter 4 adjustments, Chapter 5 schematic diagram, Chapter 6 customer maintenance parts list – Yokogawa µR20000 User Manual

Page 7: Chapter 7 replacing parts

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SM 04P01B01-01E

Chapter 4 Adjustments

4.1

Foreword .......................................................................................................................... 4-1
Environment ..................................................................................................................... 4-1

Operations on the Main Unit ............................................................................................ 4-1
Preparation ...................................................................................................................... 4-1

4.2

Adjustments to the Pen Model ......................................................................................... 4-2
Adjusting the A/D Converters ........................................................................................... 4-2

Adjusting the Pen Speed ................................................................................................. 4-4
Adjusting the Pen Position ............................................................................................... 4-5

4.3

Adjustments to the Dot Model .......................................................................................... 4-7
Adjusting the A/D Converters ........................................................................................... 4-7

Adjusting the Ink Ribbon .................................................................................................. 4-9
Adjusting the Printer Position ......................................................................................... 4-10

Adjusting the Belt Tension of the Printing Carriage ........................................................ 4-12

Chapter 5 Schematic Diagram

5.1

Schematic Diagram (Pen Model) ..................................................................................... 5-1

5.2

Schematic Diagram (Dot Model) ...................................................................................... 5-2

Chapter 6 Customer Maintenance Parts List

6.1

Customer Maintenance Parts List (Pen Model) ............................................................... 6-1

6.2

Customer Maintenance Parts List (Dot Model) .............................................................. 6-11

Chapter 7 Replacing Parts

7.1

Introduction ...................................................................................................................... 7-1

Notes When Replacing Parts ........................................................................................... 7-1
Testing after Replacement of Parts .................................................................................. 7-1

Screw Driver and Tightening Torque ................................................................................ 7-1

7.2

Replacable Parts .............................................................................................................. 7-2

7.3

Disassembly ..................................................................................................................... 7-3
Door Assembly [Item 1 on pages 6-2 and 6-12] ............................................................... 7-3

Internal Unit - Frame Assembly [Item 5 on pages 6-2 and 6-12] .................................... 7-3
CPU Assembly, Battery Assembly [Item 14 on pages 6-4 and 6-14] ............................... 7-4

Joint PCB [Item 6 on pages 6-4 and 6-14] ....................................................................... 7-5
Chart Paper Feed Motor - Motor Assembly (B9962EJ) [Item 10 on pages 6-5 and 6-15] 7-6

Display Assembly [Item 1 on pages 6-4 and 6-14] .......................................................... 7-7
Dot Driver PCB [Item 7 on page 6-14] ............................................................................. 7-8

Ribbon Holder Assembly [Item 18 on page 6-15] ............................................................ 7-8
Ribbon Feed Motor - Motor Assembly (B9962EJ) [Item 10 on page 6-15] ...................... 7-8

Swing Gear A and B [Items 11 and 12 on page 6-15] ..................................................... 7-8
Ribbon Shift Motor - Motor Assembly (B9962EJ) [Item 10 on page 6-15] ....................... 7-8

Lever Assembly (B9901EK) [Item 26 on page 6-15] ...................................................... 7-11
Pulley Assembly (B9963CJ) [Item 25 on page 6-15] ..................................................... 7-11

Carriage Assembly (B9963CL) [Item 14 on page 6-15] ................................................. 7-12
Carriage Motor - Motor Assembly (B9963CF) [Item 23 on page 6-15] .......................... 7-13

Pen Servo Assembly (B8800FG) [Item 23 on page 6-5], ............................................... 7-14
Pen Driver PCB [Item 7 on page 6-4] ............................................................................ 7-14

Pen Arm Assembly [Items 24 to 27 on page 6-5] ........................................................... 7-14
Pulley Bearing (B9900RP) [Item 17 on page 6-5] .......................................................... 7-17

Plotter X Motor - X Motor Assembly (B8800DT) [Item 20 on page 6-5] ......................... 7-17
Carriage Assembly (B8800DJ) [Item 11 on page 6-5] .................................................... 7-18

Contents

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