E KERN DEversion 1.1 06/01Service ManualElectronic Precision Balances1 INTRODUCTION .....................................................................................................31.1 Features............................................................................................................31.2 Digital auto adjusting procedure....................................................................31.3 Internal adjusting procedure ..........................................................................41.4 Display segment test.......................................................................................42 FUNCTIONAL BLOCK DIAGRAM / DESCRIPTION ..............................................52.1 Functional block diagram ...............................................................................52.2 Function description .......................................................................................63 TROUBLESHOOTING ............................................................................................74 REPLACEMENT OF PCBA ....................................................................................84.1 Replacement of analogue PCBA ....................................................................84.2 Replacement of display PCBA .......................................................................85 SCHEMATICS.........................................................................................................96 SPARE PARTS LIST ............................................................................................13DE-SH-e-01112