Restoring HP-65

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Restoring HP-65

01-02-2019, 12:49 AM

Post: #17

Kees Bouw Offline

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Posts: 75
Joined: Jul 2017

RE: Restoring HP-65

(01-02-2019 12:11 AM)albertofenini Wrote: With the scope we have been able to investigate about anode and cathode drivers on the two
keyboards that were not working properly.

Can you tell a bit more about exactly what and where you measured with the scope, and how the display was helpful in determining the problem?

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Messages In This Thread

Restoring HP-65 - albertofenini - 11-25-2018, 11:40 AM

RE: Restoring HP-65 - albertofenini - 11-25-2018, 01:13 PM

RE: Restoring HP-65 - Maximilian Hohmann - 11-25-2018, 05:00 PM

RE: Restoring HP-65 - albertofenini - 11-25-2018, 09:59 PM

RE: Restoring HP-65 - teenix - 11-25-2018, 11:09 PM

RE: Restoring HP-65 - albertofenini - 11-25-2018, 11:40 PM

RE: Restoring HP-65 - teenix - 11-26-2018, 01:28 AM

RE: Restoring HP-65 - albertofenini - 12-02-2018, 06:07 PM

RE: Restoring HP-65 - Hans-Peter - 12-05-2018, 09:08 PM

RE: Restoring HP-65 - burkhard - 12-03-2018, 12:09 AM

RE: Restoring HP-65 - albertofenini - 12-09-2018, 07:38 PM

RE: Restoring HP-65 - albertofenini - 12-09-2018, 08:07 PM

RE: Restoring HP-65 - teenix - 12-11-2018, 09:58 AM

RE: Restoring HP-65 - _dev-null - 12-16-2018, 11:47 AM

RE: Restoring HP-65 - albertofenini - 12-27-2018, 02:54 PM

RE: Restoring HP-65 - albertofenini - 01-02-2019, 12:11 AM

RE: Restoring HP-65 - Kees Bouw - 01-02-2019 12:49 AM

RE: Restoring HP-65 - albertofenini - 01-02-2019, 01:08 AM

RE: Restoring HP-65 - albertofenini - 01-06-2019, 09:06 PM

RE: Restoring HP-65 - albertofenini - 01-07-2019, 09:59 PM

RE: Restoring HP-65 - teenix - 01-07-2019, 10:52 PM

RE: Restoring HP-65 - teenix - 01-07-2019, 10:55 PM

RE: Restoring HP-65 - albertofenini - 01-08-2019, 08:22 AM

RE: Restoring HP-65 - albertofenini - 01-12-2019, 10:24 PM

RE: Restoring HP-65 - albertofenini - 01-12-2019, 10:28 PM

RE: Restoring HP-65 - albertofenini - 01-12-2019, 10:33 PM

RE: Restoring HP-65 - jackrubin - 05-23-2019, 03:13 PM

RE: Restoring HP-65 - toml_12953 - 05-23-2019, 06:43 PM

RE: Restoring HP-65 - rprosperi - 05-23-2019, 10:32 PM

RE: Restoring HP-65 - albertofenini - 05-23-2019, 11:22 PM

RE: Restoring HP-65 - albertofenini - 05-25-2019, 12:43 PM

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