Is there a definitive guide for repairing screen rot. One of mine needs it. I have watched others but I have not attempted my own. I might try this at the Kennett Classic workshop this upcoming Feb 17th Bill
On Mon, Jan 29, 2024 at 11:41 AM William Sudbrink via cctalk < cctalk@classiccmp.org> wrote: > A quick note on ADM3a screen rot... my vintage collection resides in a cool > (60-72 degrees F) dry basement. My "pride and joy" ADM3a (I have several) > was just starting to show a few bubbles at the corners last September. I > was pulling out some parts units on Friday and noticed that one had a much > better screen than I remembered. Thinking that I might swap screens, I > took > a close look at "PnJ" and discovered to my horror that most of the lower > half of the screen had "melted". "PnJ" was on a shelf, below eye level, > nowhere near a vent or other source of heat. I was so annoyed that I > immediately started cleaning/repair without taking any pictures (sorry). > Fortunately, there does not appear to be any corrosion from the "goo". I > completely desoldered and removed the keyboard assembly to get all of the > crud out of (and out from under) it. The mainboard is a fully socketed > example and the crud is down in several of the sockets. I'm still working > on that. Anyway, the take away is don't assume (like I did) that the > ruined > ADM3as you see are the result of temperature extremes. It can happen > anywhere. Keep a close eye on yours if you have one. > > > > Bill S. > > > > -- > This email has been checked for viruses by Avast antivirus software. > www.avast.com >
