CX20, CX30 AND CX34 SERIES RETAIL SCALES

Transcription

1 Avery Berkel CX-20 CX-30 CX-34 Series service Manual CX20, CX30 AND CX34 SERIES RETAIL SCALES CX30 TK CX34 CX9/A702 CX20W CX30 CX Issue 2/

2 Table of Contents: About This Manual Amendment Sheet Abbreviations Overview 1 Introduction General CX CX20 W CX CX30 TK CX General Data General and Technical Mechanical Description CX20/CX CX20 W and CX9/A CX Electrical Description Networking Built in Test Equipment 2 14 i

3 3 Disassembly and Assembly Introduction Servicing the CX20/CX Removing the case Fitting the case Replacing the keyswitch Replacing the DCU/remote keyboard connector Replacing the LCD (CX20) Removing external connector plate Servicing the CX20 W and CX9/A Removing the case (CX20 W) Fitting the case (CX20 W) Replacing the keyswitch (CX20 W) Replacing the DCU/remote keyboard connector (CX20 W) Replacing the LCD (CX20 W) Removing external connector plate (CX20 W) Servicing the CX Removing the housings Fitting the housings Installation (CX20 W) Introduction Installation Approvals and stamping Setting Up Procedures Introduction Service mode Entering service mode using the SAC number Entering service mode using the DIL switch Configuration (Menu Option) Calibration (Menu Option) Clear Memory (Menu Option) Format Memory (Menu Option) Test Weight (Menu Option) Test Diagnostics (Menu Option) SAC Number (Menu Option) Print Density (Menu Option) Label Formats (Menu Option) Configuration Introduction Configuration procedure Configuring the machine Configuration Option Tables 6 5 ii

4 7 Calibration and Adjustments Introduction Adjustment of Overload Stops (CX20/CX30) Adjustment of Asymmetric Overload Stops Adjustment of Overload Stops (CX9/A702) Adjustment of Overload Stops (CX34) Calibration Testing Introduction Date/time Entry (Menu Option) Scale Test (Menu Option) Processor test (menu option) Static RAM test (menu option) ROM test (menu option) EEPROM test (menu option) Display test (menu option) Keyboard test (menu option) Comms test (menu option) Weighing test (menu option) System Load Test (Menu Option) Loading the system Measuring on the machine Label Formats Introduction Labels Label format Label fields Label field co ordinates Label start point The offset (90 and 180 degree formats only) Determining the Start Point of a 90 Degree Format Determining the Start Point of a 180 Degree Format Text fonts References Creating a New Label Format Design Determining the label field co ordinates Programming Example creating a new 0 degree label format Edit Format (Menu Option) Clear Format (Menu Option) Copy Format (Menu Option) Print Format (Menu Option) 9 27 iii

5 10 Error Messages Commodity Display Error Messages TEST REPORT Error Number Main PCB Description Servicing Removing the main PCB (CX20/CX30) Fitting the main PCB (CX20/CX30) Removing the main PCB (CX20 W) Fitting the main PCB (CX20 W) Removing the main PCB (CX34) Fitting the main PCB (CX34) Replacing the main PCB Display (CX20) Description Testing Servicing Removing an integral display PCB Fitting an integral display PCB Removing a tower mounted display PCB Fitting a tower mounted display PCB Display (CX30/CX34) Description Testing Configuration Data Servicing Removing a display PCB (CX30) Fitting a display PCB (CX30) Removing a display assembly (CX30) Fitting a display assembly (CX30) Removing a display PCB (CX34) Fitting a display PCB (CX34) Keyboard Description Testing Servicing Removing a keyboard (CX20/CX30) Fitting a keyboard (CX20/CX30) Removing a keyboard (CX34) Fitting a keyboard (CX34) CX30 TK Machine General Mechanical Description Electrical Description 15 4 iv

6 15.4 Keyboard Controller PCB Circuit description Power Supplies Links Servicing Removing the customer keyboard Replacing the customer keyboard Removing the keyboard controller PCB Fitting the keyboard controller PCB Removing the keyboard assembly Fitting the keyboard assembly Removing the switch PCB loom Fitting the switch PCB loom Power Supply Unit Description Servicing Gaining access to the power supply unit (CX20/CX30) Gaining access to the power supply unit (CX34) Replacing a fuse Transducer Description Transducer Assembly CX20/CX Transducer Assembly CX Suspension Assembly CX Testing A/D PCB Servicing Removing the transducer (CX20/CX30) Fitting the transducer (CX20/CX30) Removing the transducer (CX34) Fitting the transducer (CX34) CX9/A702 Remote Weighing Platform Description Specifications Servicing Special Tool (15221) Removing a transducer Fitting the transducer Using the C117 Special Tool Receipt Printer Description Test and Adjustment Servicing Removing the printer (CX20/CX30) Fitting the printer (CX20/CX30) Removing the printer (CX34) 19 5 v

7 Fitting the printer (CX34) Cleaning the print head Changing the print head Changing the microswitch Disassembling the printer Assembling the printer Label and Receipt Printer Description Test and Adjustment Servicing Removing the printer (CX20/CX30) Fitting the printer (CX20/CX30) Removing the printer (CX34) Fitting the printer (CX34) Cleaning the print head Changing the take up motor Changing the stepper motor Changing the friction roller Changing the print head Changing the photodetector Changing the printer mechanism Networking Networking Network cabling Communications Controller Description C918 external comms controller unit Network Connections Dual comms controller operation Comms PCB Main Components Servicing C918 external comms controller unit RS232 Interface PCB (CX20 W) General Circuit Description RS232 interface Wrapper control signal interface Wrapper ready signal (control interface version 2 only) Scale in control signal (control interface version 2 only) Analogue interface Wrapper Start relay control Label taken detection ULMA 200 series wrapper protocol Serial interface devices Servicing Replacing the RS232 interface PCB 23 7 vi

8 24 Wiring Interconnections CX20/CX CX20 W Appendices Configuration Option Tables for Old Software Option Tables for Mod.3 Software Release Option Tables for Pre Phase 1.2 Software Release Label Formatting Calculating the offset Field data tables Parts List List of Figures Figure 1.1 General View (Integral Displays) 1 4 Figure 1.2 General View (Column mounted Displays) 1 4 Figure 1.3 General View (CX20 W) 1 5 Figure 1.4 General View (CX30) 1 5 Figure 2.1 Exploded View (CX20) R Version 2 3 Figure 2.2 Exploded View (CX30) LS/ECR Version 2 4 Figure 2.3 Scale Base Plan View (CX20/CX30) 2 6 Figure 2.4 ULMA Wrapping Machines 2 7 Figure 2.5 Exploded View (CX20 W) 2 8 Figure 2.6 Exploded View (CX9/A702) 2 9 Figure 2.7 Scale Base Plan View (CX20 W) 2 10 Figure 2.8 Exploded View (CX34) 2 11 Figure 3.1 Unit Interior (CX20) View on Front, Right Corner 3 5 Figure 3.2 External Connector Plate View from above 3 7 Figure 3.3 External Connector Plate (CX20 W) View from above 3 11 Figure 5.1 Service Mode Flowchart 5 3 Figure 5.2 Menu in Service Mode 5 4 Figure 8.1 Menu of Test Diagnostics (Service Mode) 8 3 Figure 8.2 Menu of Scale Test 8 5 Figure 8.3 Link Fittings to Echo Plugs (D type Connectors) 8 13 Figure 9.1 Label Formats Menu 9 3 Figure 9.2 Sample Label and Label Fields 0 Degree Format 9 5 Figure 9.3 Label Start Points (0, 90 and 180 Degree Labels) 9 7 Figure 9.4 Effect of the Offset (90 Degree Label) 9 8 Figure 9.5 Determining the Start Point (90 Degree Format) 9 9 Figure 9.6 Determining the Start Point (180 Degree Format) 9 10 Figure 9.7 Example of Completed Field Measurements Table 9 18 Figure 9.8 Example of Completed Programmed Data Table 9 19 Figure 9.9 Co ordinates (Commodity Display) 9 20 Figure 11.1 Main PCB Electrical Connections 11 4 Figure 11.2 Main PCB DIL Switches and Potentiometers 11 8 Figure 11.3 Main PCB Location of Links Figure 11.4 Main PCB Location of Integrated Circuits Figure 12.1 Display FIP Type (CX20) 12 3 vii

9 Figure 12.2 Display Brackets 12 4 Figure 13.1 Display (CX30) 13 3 Figure 13.2 Display (CX34) 13 4 Figure 13.3 Display PCB (Metric Multi line) 13 4 Figure 13.4 Display PCB Switches and LEDs 13 5 Figure 13.5 Display (CX30) Exploded Figure 14.1 Keyboard 14 3 Figure 14.2 Keyboard Earthing Arrangement 14 6 Figure 15.1 Keyboard Controller PCB Communication Loom Connections 15 5 Figure 15.2 Keyboard Controller PCB Links 15 6 Figure 15.3 Keyboard Controller PCB Pin Signals 15 7 Figure 16.1 Power Supply PCB Component Highlight 16 3 Figure 17.1 Transducer Assembly (CX20/CX30) 17 3 Figure 17.2 Suspension Assembly (CX34) 17 5 Figure 17.3 A/D PCB Connections (component side) 17 6 Figure 18.1 CX9/A702 Remote Weighing Platform 18 3 Figure 18.2 CX9/A702 Exploded View 18 4 Figure 18.3 Special Tool (15221) 18 5 Figure 18.4 Removing the transducer using the Figure 18.5 Fitting the transducer using a Figure 18.6 Special Tool (C117) 18 8 Figure 18.7 Using the Special Tool (C117) 18 8 Figure 19.1 Ticket Printer (CX20/CX30) 19 3 Figure 20.1 Label and Receipt Printer (CX20/CX30) 20 3 Figure 21.1 Network Connections 21 3 Figure 21.2 Cable Screen Connection 21 4 Figure 22.1 Network Connections (with Communications Controller) 22 4 Figure 22.2 Comms PCB Component Highlight 22 6 Figure 22.3 Comms PCB Links LK1, LK6, LK Figure 22.4 Comms PCB Switch Settings 22 9 Figure 23.1 RS232 Interface PCB 23 3 Figure 24.1 Connector Pins on Main PCB PL6, PL8 and PL Figure 24.2 Connector Pins on Main PCB PL2, PL9, PL12 and PL Figure 24.3 Connector Pins on Main PCB PL7, PL14, PL17, PL18 and SK Figure 24.4 Connector Pins on Main PCB PL20, PL19 and PL Figure 24.5 Connector Pins on Main PCB PL Figure 24.6 PCB Interconnection Diagram (CX20 W) 24 8 Figure 24.7 Connector Pins on RS232 PCB (CX20 W) PL1, PL2 and PL Figure 24.8 Connector Pins on RS232 PCB (CX20 W) PL3, PL4, PL7, PL8, TB1 and TB viii

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