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HP-67 - 1612A03018 - Card Reader Advice Requested (was HP-67 - strange behavior)
09-18-2019, 11:39 PM (This post was last modified: 09-18-2019 11:41 PM by teenix.)
Post: #15
RE: HP-67 - strange behavior - any advice appreciated
(09-18-2019 10:57 PM)albertofenini Wrote:  Thank you very much!
What’s a CRO ?
Do you know where we can find some good schematics about the 67 ?
Looks like there is a loro less documentation compared to what’s available for the HP65
We’ll keep posting our results !

Sorry, a habit - Cathode Ray Oscilloscope - or these days just an oscilloscope. I thought you had a pico-scope which will help. Some of the wave forms shown in the 97 service document may serve as a guide.

My web site has some schematics that I put together in pdf format...

or try...


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RE: HP-67 - strange behavior - any advice appreciated - teenix - 09-18-2019 11:39 PM

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