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HP38E wrong LED segments
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10-26-2017, 07:03 PM
Post: #1
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HP38E wrong LED segments
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? Thanx for your help |
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10-27-2017, 10:08 PM
Post: #2
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RE: HP38E wrong LED segments
(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 That's one small step for a man - one giant leap for mankind. |
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