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IWQ Series Service Manual
Chapter 4. Hardware Configuration.............................................................................37
4.1 Mechanisms .....................................................................................................................37
4.1.1
Display section (IWQ-30/150 common).............................................................................37
4.1.2
Scale section......................................................................................................................38
4.1.3
Display pole section...........................................................................................................41
4.2 Electric Concerns .............................................................................................................42
4.2.1
Block diagram ....................................................................................................................42
4.2.2
Main board P-932- .............................................................................................................43
4.2.3
A/D board P-933 ................................................................................................................44
4.2.4
I/F board P-934-1 (option) .................................................................................................45
4.2.5
SW Power supply...............................................................................................................47
Chapter 5. Maintenance................................................................................................48
5.1 Periodical Replacement Parts..........................................................................................48
5.2 Replacing and Adjusting Load Cell ..................................................................................48
5.3 Troubleshooting ...............................................................................................................51
Chapter 6
Others (Appendix) ......................................................................................54
6.1 RS-232C Connecting Cables (Optional) ..........................................................................54
6.1.1
RS232C cable DSUB9Pin .................................................................................................54
6.1.2
RS232C cable DSUB25 Pin ..............................................................................................54