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Inductor on HP 25C board
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09-21-2015, 08:50 PM
Post: #5
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RE: Inductor on HP 25C board
All the registers are working and retain their contents even when the calculator is turned off.
LastX in deed always returns zero. So I guess it is that RAM chip that is bad. Which one is it? Unfortunately the IC markings aren't legible any more. |
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Inductor on HP 25C board - Harald - 09-21-2015, 09:36 AM
RE: Inductor on HP 25C board - Harald - 09-21-2015, 03:48 PM
RE: Inductor on HP 25C board - PANAMATIK - 09-21-2015, 07:18 PM
RE: Inductor on HP 25C board - Brad Barton - 09-30-2015, 04:49 PM
RE: Inductor on HP 25C board - Geoff Quickfall - 09-21-2015, 04:44 PM
RE: Inductor on HP 25C board - Harald - 09-21-2015 08:50 PM
RE: Inductor on HP 25C board - PANAMATIK - 09-22-2015, 07:31 AM
RE: Inductor on HP 25C board - jebem - 09-22-2015, 08:49 AM
RE: Inductor on HP 25C board - Harald - 09-22-2015, 01:47 PM
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