Non-working HP-67 question

[PANAMATIK]

(07-03-2015 02:54 PM)Ángel Martin Wrote:  Thank you for the pointer - right on target. My unit must have had something happened to it prior to me getting it. It's not reacting to any keystroke, the LCD is off and pretty much all is bricked. I tried it with a good battery from another unit (working) to no avail... unfortunately I also tried it without any battery pack on, so I probably made things worse

Too bad there's no repair shop around the corner, would love to get that beauty on a functional state.

Çheers,
ÁM

Probably there is still a chance to repair your unit.
You can unsolder an ACT chip from a working HP-25 or HP-21 and insert it in your HP-67. If that succeeds, you can order a "new ACT" for your HP-25 and you have two working units. If the card reader chip is defective this will not repair also your card reader unit. But it's just a try for you. I inserted an original HP-25 ACT in an HP-97 with success. The new ACT is not able to run a HP-67 or HP-97 directly.

Bernhard