HP38E wrong LED segments - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Calculators (and very old HP Computers) (/forum-3.html) +--- Forum: General Forum (/forum-4.html) +--- Thread: HP38E wrong LED segments (/thread-9374.html) |
HP38E wrong LED segments - Hans-Peter - 10-26-2017 07:03 PM Hello repair doctors I have a 38E wich is very clean inside and looks like new. But on 2 3 4 and 7 is an additional segment bright. Have any one a idea what can be defect? [attachment=5282][attachment=5283][attachment=5284][attachment=5285][attachment=5286] Thanx for your help RE: HP38E wrong LED segments - PANAMATIK - 10-27-2017 10:08 PM (10-26-2017 07:03 PM)Hans-Peter Wrote: Have any one a idea what can be defect? I have an HP-21 display with a similar defect on some segments. I could be a degradation of the GaAS semiconductor substrate. No idea for a repair. You need a replacement from another calculator. Bernhard |