Avery Weigh-Tronix TT-830, Service Manual

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TT-830 Bench Scale Service Manual
Table of Contents
Table of Contents ..................................................................................... 3
Specifications ............................................................................................ 4
Introduction ............................................................................................... 5
About This Manual ............................................................................... 5
Front Panel Keys and Functions ............................................................... 5
Hard Keys ............................................................................................. 5
Soft Keys .............................................................................................. 6
Accessing Setup Levels ............................................................................ 7
User level ............................................................................................. 8
Configure level ................................................................................... 13
Calibrate level ..................................................................................... 23
Test Menu ............................................................................................... 25
Disassembly and Reassembly Instructions ............................................ 27
To Remove the PC Board .................................................................. 27
To Remove the Weight Sensor .......................................................... 27
To Remove the Display ...................................................................... 27
Reassembly ........................................................................................ 27
Appendix 1: Display Samples ................................................................. 28
Appendix 2: Tips on Using Harmonizer .................................................. 30
Technical Illustrations:
10 lb/ 5 kg Parts and Assembly .............................................................. 31
Draft Shield Parts and Assembly ............................................................ 32
50 lb / 25 kg and 100 lb / 50 kg Parts and Assembly .............................. 33
System Wiring Block Diagram ................................................................ 34
Main Computer & I/O, Remote Analog,
Internal Battery Charger PC Boards ................................................... 35
Display & Interface Bd., Display Assy., Keypad Assy ............................. 36
Internal Battery & Charger PC Bd Parts and Assembly .......................... 37
Dimensional Outline for 12" x 14" Base .................................................. 38
COM2 Interface Cable Options and Pin-outs.......................................... 39
COM 1 Interface Cables, 830 to Quartzell Base and
830 to Eltron Printer Cable Assemblies .............................................. 40
BP-25R External Battery ......................................................................... 41
SSCU Parts and Assembly ..................................................................... 43
SSCU-8 Remote Expanded Control I/O Board ....................................... 44
SSCU External (16) I/O Cutoff Expansion Board .................................... 45
OPTO-22 Control Interface Devices ....................................................... 46
Wiring Diagram for Input and Output Modules ....................................... 47
Remote (TTL) Keyboard Options ............................................................ 48