BC-3000
•
Service Manual
•
Rev. 1
S5 - 3
Chapter S5. Test Mode
(1) A/D Initial Value Setting
■
A/D Initial Value Setting
Press
ZERO.
The A/D conversion value is displayed in
the unit price column. Check that the value
is 2000
±
1. If it is, perform span adjustment
as described below. If the value is not 2000
±
1, press
ZERO again.
■
Span adjustment
Place a 30 lb span weight on the weigh
platter. The A/D conversion value is
displayed in the weight column. Check that
the value is 30000
±
2. If it is, perform data
registration as described below. If not
30000
±
2, press
TARE, remove the span
weight and perform A/D Initial Value Setting
again.
■
Data Registration
This operation writes data into E
2
ROM.
Remove the span weight, then remove the
weigh platter. Press the switch as shown
in the diagram at right.
Calibration data are stored on the
A/D board. The BC-3000 does not
require calibration if the main CPU
board is replaced.
CAUTION!
Do not use a screwdriver or other metal
tool to press the switch.
Note:
Summary of Contents for BC-300
Page 1: ...SERVICE MANUAL Manual No 0141A ISHIDA CO LTD Retail Scale BC 3000 48775 ...
Page 4: ...HARDWARE SECTION ...
Page 5: ...BC 3000 Service Manual Rev 1 1 1 Chapter 1 Introduction 1 INTRODUCTION 1 1 MAIN COMPONENTS ...
Page 32: ...6 4 BC 3000 Service Manual Rev 1 Chapter 6 Troubleshooting ...
Page 33: ...SOFTWARE SECTION ...
Page 62: ...APPENDIX ...
Page 63: ...BC 3000 Service Manual Rev 1 Appendix 1 Appendix A1 DC DC Converter Unit Schematic Diagram ...
Page 64: ...Appendix 2 BC 3000 Service Manual Rev 1 Appendix ...
Page 65: ......
Page 69: ...Appendix 8 BC 3000 Service Manual Rev 1 Appendix Sample Labels ...
Page 71: ...Appendix 10 BC 3000 Service Manual Rev 1 Appendix Sample Labels ...