Dynex DSX - Page 10

Table of Contents
13.6.6 Replacing the Motor Pulley ................................................................13-36
13.7 Spare Parts ...................................................................................................13-37
13.7.1 Dispense and Aspirate Bottle Assembly ............................................13-37
13.7.2 X-Drive and Z-Drive Assembly (13001571) .......................................13-37
13.7.3 Y – Drive Assembly (13001800) ........................................................13-38
13.7.4 Electronics Components ....................................................................13-38
13.7.5 Miscellaneous Items...........................................................................13-38
13.7.6 Jigs .....................................................................................................13-39
Chapter 14 The Ambient Drawer ..................................................................................................14-1
14.1 Overview .........................................................................................................14-1
14.2 General Electronics Design.............................................................................14-1
14.3 Hardware Considerations................................................................................14-3
14.3.1 Motor Drivers........................................................................................14-3
14.3.2 Voltage Generation and Regulation.....................................................14-3
14.3.3 Microcomputer......................................................................................14-3
14.3.4 Serial Communications with Controller ................................................14-4
Chapter 15 Servicing the Ambient Drawer/Bar Code Scanner..................................................15-1
15.1 Overview .........................................................................................................15-1
15.2 General Troubleshooting.................................................................................15-2
15.3 Accessing Internal Components .....................................................................15-3
15.4 Servicing Internal Components.......................................................................15-4
15.4.1 The Drive Mechanism ..........................................................................15-4
15.4.2 Replacing the Motor .............................................................................15-8
15.4.3 Replacing Idler Subassemblies............................................................15-9
15.4.4 Replacing the Main Circuit Board.......................................................15-10
15.4.5 Replacing the Optical Sensors...........................................................15-11
15.4.6 Replacing the Temperature Sensor ...................................................15-12
15.4.7 Replacing the Actuating Levers .........................................................15-13
15.5 Sample ID Module.........................................................................................15-14
15.5.1 Overview ............................................................................................15-14
15.5.2 Manual Testing of the Scan Module...................................................15-14
15.5.3 Replacing the Module ........................................................................15-15
15.5.4 Testing the Scan Module ...................................................................15-16
15.5.5 Setting the Barcode Options ..............................................................15-17
15.5.6 Spare Parts and Jigs..........................................................................15-18
15.5.7 Ambient Drawer Assembly.................................................................15-18
15.5.8 Jigs .....................................................................................................15-18
Chapter 16 Mechanical System Components.............................................................................16-1
16.1 Overview .........................................................................................................16-1
16.2 Accessing Internal Components .....................................................................16-1
16.2.1 Removing the Top Cover .....................................................................16-1
16.2.2 Removing the Rear Cover....................................................................16-2
16.2.3 Replacing the Cover Assembly ............................................................16-3
16.2.4 Removing the Right Side Panel ...........................................................16-4
16.2.5 Removing the Left Side Panel..............................................................16-6
16.3 Replacing the Interlock Switch ........................................................................16-8
16.4 Replacing a Gas Damping Spring...................................................................16-9
16.5 Replacing the Left Hinge...............................................................................16-10
16.6 Spare Parts ...................................................................................................16-11
16.7 Jigs ................................................................................................................16-11
viii DSX™ System Service Manual