CAS FW500, Service Manual

Page: 2 / 47

FW500
Service Manual
2 8/31/2015
< Table of Contents >
1. Introduction ..................................................................................... 2
1.1. Preface......................................................................................... 3
1.2. Precaution .................................................................................... 3
1.3. Specifications ............................................................................... 4
1.4. Key ..............................................
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1.5. Dimension ....................................
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1.6. Sealing Method .............................
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2. Calibration ........................................................................................ 9
2.1. General Calibration ....................................................................... 9
2.1.1. C4 Setting ........................................................................ 10
2.1.1.1. C4-1 Setting................................................................ 10
2.1.1.2. C4-3 Setting................................................................ 10
2.1.2. SPAN Calibration Setting (C-3) ......................................... 11
2.1.3. Gravity Constant Value Setting (C-9) ................................ 11
2.1.4. Calibration factor Setting (C-10) ...................................... 11
2.1.5. Displaying Real A/D Value (C-5) ....................................... 12
2.1.6. Percent Calibration (C-7) ................................................. 13
2.1.7. Battery Calibration (C-8) .................................................. 13
3. The Schematics and Diagram ........................................................... 14
3.1. System Block Diagram ................................................................. 14
3.2. Circuit Diagram ........................................................................... 15
3.2.1. FW500C Main PCB ............................................................ 14
3.2.2. FW500C Rear Display PCB .
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3.2.3. FW500E Main PCB ............................................................ 16
3.2.4. FW500E Rear Display PCB ................................................ 16
4. Exploded View ............................................................................... 20 9
5. Load Cell drawing ............................................................................ 20
6. Part Location ................................................................................... 21
6.1. FW500C Main PCB (Top,Bottom) .................................................. 21
6.2. FW500E Main PCB (Top,Bottom) .................................................. 22
6.3. FW500C Rear Display PCB (Top,Bottom) ...................................... 23
6.3. FW500E Rear Dislpay PCB (Top,Bottom) ...................................... 24
7. Error Messages & Solution
............................................................................................26
8. Part List
..................................................................................................................................27