Thermo Scientific Apex - Service Guide Manual

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Apex

Metal Detector

Service Guide

REC 4258 Rev C Part # 087929

Table of Contents

Default Chapter1
- Metal Detector1
- Table of Contents7
Contents8
Figures11
About this Manual13
- Organization of this Guide13
Chapter 117
- Figure 1-1. Oscillator Transformer Ratio18
  - Figure 1-2. Oscillator Amplitude20
  - Oscillator Amplitude20
- Oscillator Frequency19
- Figure 1-6. Electronic Balance Correction (LF)26
- Auto Balance27
- Search Head Screen27
Search Head PCBA Head Setup17
- Safety17
- Search Head PCB18
  - Oscillator Transformer Ratio18
Chapter 233
APEX I/O and PSU Connections33
- Figure 2-1. PSU PCBA Connections33
- Input Power Consumption34
- Wiring AC Power into the PSU PCBA34
- Wiring Outputs from the PSU PCBA (Not Recommended)34
- Wiring Inputs into the PSU PCBA35
- Inputs36
- Overview of Connections on Relay PCBA36
- Communication Output37
- Relay Outputs37
Chapter 3 Control Panel Assembly39
- How too Upgrade the APEX Software39
- Upgrade Method 2 – Upgrading in Windows41
- Enable Passwords45
- Figure 3-2. Password Entry Screen45
- Assigning/Changing Passwords46
- Figure 3-3. Password Screen 2 - Assigning Passwords46
Chapter 4 Maintenance and Troubleshooting49
- Cleaning49
  - Check for Corrosion50
- Fault Finding50
Chapter 5 Part & Drawing Numbers67
- Printed Circuit Board Assemblies67
- Control Panel Assemblies67
- Cable Assemblies68
Chapter 669
Reference Material69
- DSP3/APEX Differences69
- APEX Quick Start Documentation72
- APEX Signal Improvement Algorithms78
Chapter 7 Auditcheck85
- Theory of Operation85
- Operation87
- Auditcheck Patented Sensitivity Test System92
- Figure 7-5. Auditcheck Sensitivity96
- Figure 7-6. Auditcheck Elements98
- Figure 7-7. Amplitude of the Signal99
- Summary101
Chapter 8103
Using the APEX Oscilloscope103
Chapter 9113
Cold Start113
Chapter 10115
Oscillator115
Chapter 11119
DSP3 to APEX Upgrade Instructions120
- Figure 11-2. Integral Conversion Kit Front View120
- Figure 11-1. Integral Conversion Kit120
- Figure 11-4. DSP3 Unit to be Upgraded121
- Figure 11-3. Integral Conversion Kit Back View121
- DSP3 Parts136
Chapter 12137
APEX Software Update137
- Figure 12-1. APEX CPU Programming Cable137
- Upgrade Method 1 - MS-DOS Boot Floppy138
- Upgrade Method 2 - Upgrading in Windows139
- Troubleshooting142
  - Transfers Timing out142
Chapter 13143
Engineering Drawings143

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