HP-41 and video interface 82163a / 92198a

[Dave Frederickson]

(05-19-2015 11:11 PM)TASP Wrote:  Check post 11. Dave may or may not not have the manual, but he has replaced an IC in one.

Sorry, I don't have the manual. My 82163A was exhibiting jitter. In an attempt to fix the problem I replaced the 1LF4-0001 video chip which I obtained from Sphere Research. Thanks to Marcus it was determined that the monitor was the cause of the jitter. Consequently I have two video chips, one of which is in mint condition as it was socketed, not soldered in place, and is available for sale or trade.

Dave