HP Forums / HP Calculators (and very old HP Computers) / General Forum v / HP-65 more on the card reader

Post Reply 
HP-65 more on the card reader
02-08-2019, 11:16 PM
Post: #62
teenix Offline
Senior Member
 		Posts: 2,164
Joined: May 2016
RE: HP-65 more on the card reader
(02-08-2019 11:05 PM)albertofenini Wrote:  To cut it short, it the unit is out of a case it works, it reads and writes, if it is in a case it doesn't.

Any idea with this happens ?
Thanks everyone !!!

I would suspect the WB line is being opened or otherwise upset when the pcbs are in the case. I would be checking the pins that connect the cpu board to the reader board.

cheers

Tony
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
RE: HP-65 more on the card reader - teenix - 01-29-2019, 05:25 AM
RE: HP-65 more on the card reader - wallyt - 01-29-2019, 04:05 PM
RE: HP-65 more on the card reader - wallyt - 01-29-2019, 07:08 PM
RE: HP-65 more on the card reader - teenix - 01-31-2019, 12:14 PM
RE: HP-65 more on the card reader - teenix - 01-31-2019, 01:06 PM
RE: HP-65 more on the card reader - teenix - 01-31-2019, 01:54 PM
RE: HP-65 more on the card reader - wallyt - 01-31-2019, 05:09 PM
RE: HP-65 more on the card reader - teenix - 01-31-2019, 07:28 PM
RE: HP-65 more on the card reader - teenix - 02-01-2019, 10:43 AM
RE: HP-65 more on the card reader - teenix - 01-31-2019, 11:54 PM
RE: HP-65 more on the card reader - wallyt - 02-01-2019, 03:38 PM
RE: HP-65 more on the card reader - wallyt - 02-02-2019, 02:50 AM
RE: HP-65 more on the card reader - teenix - 02-02-2019, 04:51 AM
RE: HP-65 more on the card reader - teenix - 02-02-2019, 10:33 AM
RE: HP-65 more on the card reader - wallyt - 02-03-2019, 05:16 PM
RE: HP-65 more on the card reader - teenix - 02-03-2019, 10:51 PM
RE: HP-65 more on the card reader - teenix - 02-04-2019, 12:11 AM
RE: HP-65 more on the card reader - wallyt - 02-04-2019, 04:05 PM
RE: HP-65 more on the card reader - wallyt - 02-04-2019, 05:11 PM
RE: HP-65 more on the card reader - teenix - 02-05-2019, 12:15 AM
RE: HP-65 more on the card reader - teenix - 02-06-2019, 07:00 PM
RE: HP-65 more on the card reader - Harald - 02-07-2019, 10:27 AM
RE: HP-65 more on the card reader - Harald - 02-08-2019, 10:03 PM
RE: HP-65 more on the card reader - teenix - 02-08-2019 11:16 PM
RE: HP-65 more on the card reader - teenix - 02-09-2019, 09:49 PM
RE: HP-65 more on the card reader - teenix - 02-13-2019, 01:47 AM
RE: HP-65 more on the card reader - teenix - 02-13-2019, 10:48 AM
RE: HP-65 more on the card reader - wallyt - 02-13-2019, 04:31 PM
RE: HP-65 more on the card reader - teenix - 02-13-2019, 05:43 PM
RE: HP-65 more on the card reader - wallyt - 02-14-2019, 08:46 PM
RE: HP-65 more on the card reader - teenix - 02-15-2019, 03:53 AM
RE: HP-65 more on the card reader - teenix - 02-15-2019, 09:38 AM
RE: HP-65 more on the card reader - teenix - 02-15-2019, 08:27 PM
RE: HP-65 more on the card reader - teenix - 02-15-2019, 08:42 PM
RE: HP-65 more on the card reader - wallyt - 02-22-2019, 02:23 PM
RE: HP-65 more on the card reader - wallyt - 02-23-2019, 02:32 AM
RE: HP-65 more on the card reader - wallyt - 02-24-2019, 03:17 PM



User(s) browsing this thread: 1 Guest(s)

Contact Us | The Museum of HP Calculators | Return to Top | Return to Content | Lite (Archive) Mode | RSS Syndication