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Help on HP28S
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01-24-2019, 08:56 PM
Post: #1
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Help on HP28S
Hi, I was going to buy a second hand HP28 that was supposed to work perfectly. The previous owner bought two new batteries to show me that the calculator was ok. The fact is that nothing showed on the screeen and the batteries were hot just 5 seconds after pressing on.
He gave me the calculator and I’m trying to find the problem. The batteries he used are Panasonic LRV08 that is 12V each. 3 batteries equal 36V!. The batteries that the calculator needs are type N, that is 1.5V each, 4.5V total. Is it possible that something has been burned inside the calculator?. Can I fix it somehow?. Thank you. |
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| Messages In This Thread |
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Help on HP28S - Cancuino - 01-24-2019 08:56 PM
RE: Help on HP28S - John Keith - 01-24-2019, 09:15 PM
RE: Help on HP28S - Cancuino - 01-24-2019, 09:19 PM
RE: Help on HP28S - grsbanks - 01-24-2019, 09:26 PM
RE: Help on HP28S - mfleming - 01-25-2019, 02:07 AM
RE: Help on HP28S - Geoff Quickfall - 01-25-2019, 12:51 AM
RE: Help on HP28S - jonese - 01-25-2019, 03:14 AM
RE: Help on HP28S - Jlouis - 01-25-2019, 03:26 AM
RE: Help on HP28S - Geoff Quickfall - 01-25-2019, 03:28 AM
RE: Help on HP28S - isanchez - 01-25-2019, 10:09 AM
RE: Help on HP28S - everettr - 01-25-2019, 05:50 PM
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