Table of Contents AVL 4000
II Service Manual
4.2.1.8 Printer Board (Option)..............................................................................................................4-8
4.2.1.9 Speed / Angle Board with Diagnostics Cable Concept (Option/Installation) .................4-8
4.2.1.10 Memory Adapter.......................................................................................................................4-11
4.2.1.11 Chamber Adapter (AVL DiCom 4000)....................................................................................4-11
4.2.1.12 Extension Slot.............................................................................................................................4-11
4.2.1.13 Mains Switch Assembly............................................................................................................4-11
4.2.1.14 Converting 230 V to 115 V Device...........................................................................................4-11
4.2.1.15 Power Supply Unit....................................................................................................................4-11
4.2.1.16 Fan...............................................................................................................................................4-12
4.3 Dismantling the 4-/5-Gas Measuring Instruments Unit....................................................................4-12
4.4 Housing....................................................................................................................................................4-12
4.5 Printer.......................................................................................................................................................4-13
4.5.1 Internal Printer Unit (Option/Installation)................................................................................4-13
4.5.2 External A4 Printer (Option)........................................................................................................4-14
4.6 LCD...........................................................................................................................................................4-14
4.7 Membrane Keypad .................................................................................................................................4-14
4.8 Fan.............................................................................................................................................................4-14
4.9 Main Board...............................................................................................................................................4-15
4.9.1 Components Location Diagram...................................................................................................4-15
4.9.2 Circuit Diagrams ...........................................................................................................................4-16
4.10 Speed Angle Board .................................................................................................................................4-21
4.10.1 Components Location Diagram...................................................................................................4-21
4.10.2 Circuit Diagrams ...........................................................................................................................4-22
4.11 Pneumatics Board....................................................................................................................................4-26
4.11.1 Components Location Diagram...................................................................................................4-26
4.11.2 Circuit Diagram.............................................................................................................................4-27
4.12 Printer Adapter........................................................................................................................................4-28
4.12.1 Components Location Diagram...................................................................................................4-28
4.12.2 Circuit Diagram.............................................................................................................................4-29
4.13 Memory Adapter.....................................................................................................................................4-30
4.13.1 Components Location Diagram...................................................................................................4-30
4.13.2 Circuit Diagram.............................................................................................................................4-31
4.14 Connector Adapter .................................................................................................................................4-32
4.14.1 Components Location Diagram...................................................................................................4-32
4.14.2 Circuit Diagram.............................................................................................................................4-33
4.15 Chamber Adapter (opacity measuring chamber type A)..................................................................4-34
4.15.1 Components Location Diagram...................................................................................................4-34
4.15.2 Circuit Diagram.............................................................................................................................4-35
4.16 Receiver Board (opacity measuring chamber type A)........................................................................4-36
4.16.1 Components Location Diagram...................................................................................................4-36
4.16.2 Circuit Diagram.............................................................................................................................4-37
4.17 Selenium Board (opacity measuring chamber type A)......................................................................4-38
4.17.1 Components Location Diagram...................................................................................................4-38
4.17.2 Circuit Diagram.............................................................................................................................4-39