CAS EB Series, Service Manual

EB

 Service Manual

2 

2007/06/13 

< Table of Contents > 

1.

Introduction

............................................................................................................................... 4

1.1.

Preface

.................................................................................................................................... 4

1.2.

Precaution

............................................................................................................................. 4

1.3.

Specifications

...................................................................................................................... 5

1.4.

Dimension

.............................................................................................................................. 6

1.5.

Key & SYMBOLS ON DISPLAY

.................................................................................... 7

1.6.

Sealing Method

................................................................................................................... 9

2.

Calibration

................................................................................................................................. 11

2.1.

General Calibration

........................................................................................................ 11

2.1.1.

C4 Setting

........................................................................................................... 12

2.1.1.1.

C4-1 Setting................................................................. 12

2.1.1.2.

C4-2 Setting................................................................. 12

2.1.1.3.

C4-3 Setting................................................................. 12

2.1.1.4.

C4-4 Setting................................................................. 13

2.1.1.5.

C4-5 Setting................................................................. 13

2.1.2.

SPAN Calibration Setting (C-3)

.............................................................. 14

2.1.3.

Gravity Constant Value Setting (C-9)

................................................ 14

2.1.4.

Calibration factor Setting (C-10)

.......................................................... 15

2.1.5.

Displaying Real A/D Value (C-5)

.......................................................... 15

2.1.6.

Input Function Key Code (C-6)

.............................................................. 16

2.1.7.

Percent Calibration (C-7)

.......................................................................... 17

2.1.8.

Battery Calibration (C-8)

........................................................................... 17

3.

The Schematics and Diagram

......................................................................................... 18

3.1.

System Block Diagram

................................................................................................. 18

3.2.

Circuit Diagram

................................................................................................................ 19

3.2.1.

Main and Power

............................................................................................... 19

3.2.2.

Display part

....................................................................................................... 20

3.2.3.

Key Part

............................................................................................................... 21

4.

Exploded View

......................................................................................................................... 22

5.

Load Cell drawing

.................................................................................................................. 23

6.

Part Location

............................................................................................................................ 24

6.1.

Main PCB (Top)

................................................................................................................ 24

6.2.

Main PCB (Bottom)

........................................................................................................ 25

6.3.

Rear Display PCB (Top)

............................................................................................... 26