HP Forum Archive 20

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HP65 vs HP67 card reader Message #1 Posted by Alberto Fenini on 17 Apr 2011, 6:26 a.m. ciao a tutti, I'm trying to repair the HP65 shown on the left of the picture, it is working but the previous owner has ruined the head cabling. Between my HP67s I have found the one pictured on the right, which differently from the others has a card reader apparently identical. What do you think ?? Can I take this HP67 card reader and use it on the HP65 ?? Or, on the other hand, does anyone has ever found a replacement for the HP65 magnetic head ?? As usual, thanks for any suggestion, enjoy the weekend !!! Alberto

Re: HP65 vs HP67 card reader Message #2 Posted by Ignazio Cara (Italy) on 17 Apr 2011, 1:18 p.m., in response to message #1 by Alberto Fenini Ciao Alberto, IMHO, you can swap entirely the card reader assembly (head/motor/Reader PCB) among the calculators. The 67's sense-amplifier is compatible with the 65, I have changed this chip with success in one of mine. For sure you can't make damage to the calculator's logic PCB. About your second question, Quote: Or, on the other hand, does anyone has ever found a replacement for the HP65 magnetic head ?? take a look at this old post: http://www.hpmuseum.org/cgi-sys/cgiwrap/hpmuseum/archv019.cgi?read=167082#167082 Let me know how the work proceeds, take care. Ignazio

Re: HP65 vs HP67 card reader Message #3 Posted by Alberto Fenini on 17 Apr 2011, 5:09 p.m., in response to message #2 by Ignazio Cara (Italy) Ciao Ignazio, I sure will !! Thank you very much for the hint, take care Alberto OT: Didn't we have to call each other on the phone over the weekend ??

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