HP Forums / HP Calculators (and very old HP Computers) / General Forum v / HP-67 Card Reader became very touchy

Post Reply 
HP-67 Card Reader became very touchy
10-31-2023, 07:04 AM
Post: #43
AndiGer Offline
Senior Member
 		Posts: 593
Joined: Oct 2015
RE: HP-67 Card Reader became very touchy
(10-30-2023 08:19 PM)Alevin Wrote:  So I am planning to substitute now the C4 6,8 uF cap (16 or 25 Volts on card reader PCB, as you and some other people have notified problems with it in the HP 65 67 97 card readeres. ( I can not find were is the other 2,2 uF mentioned by Hiwi).

Surely Hiwi meant C3 on the card reader PCB - 3.3 uF.
6.8 uF is C4 there.

Keep us posted, good luck
Andi
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
RE: HP-67 Card Reader became very touchy - AndiGer - 10-31-2023 07:04 AM



User(s) browsing this thread: 9 Guest(s)

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