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HP15C displays gibberish. Is it broken?
10-05-2020, 08:47 PM
Post: #14
ijabbott Offline
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RE: HP15C displays gibberish. Is it broken?
(10-05-2020 08:26 PM)sebi Wrote:  
(10-05-2020 07:46 PM)Marcovecchio Wrote:  I just saw this same pattern on a 15C I was fixing yesterday!
...I accidentally inverted the power supply terminals when trying to power up the 15c!
That is a very nice hint!
Can you tell me where is located the resistor/inductor that was getting hot on the calculator?
[Image: 10cint.jpg]

The green thing under the battery looks like an inductor to me. Either that, or a high-power resistor, but I don't think the Voyager would need a high-power resistor!
— Ian Abbott
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RE: HP15C displays gibberish. Is it broken? - ijabbott - 10-05-2020 08:47 PM



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