The link is to a pic of the backside of the board after cleaning. I was expecting a greater difference. Should I be concerned?
https://photos.app.goo.gl/HPoA24GYueEJKucw9 On Wed, Feb 10, 2021, 05:23 AvantGuard Systems < [email protected]> wrote: > As an update after day 1 of working the bottom of the board (since there's > nothing in the way there and it would be easier) with a white vinegar / > vegetable glycerin 50/50 solution, it was sticky afterwards. I'm continuing > to work it more today, but didn't expect it to get sticky. > > Curtis > > > On Tue, Feb 9, 2021 at 1:02 PM AvantGuard Systems < > [email protected]> wrote: > >> Thanks Ron, >> >> I saw one post saying you can soak boards in a vinegar solution. Not sure >> I want to do that, but is that possible? >> >> Curtis >> >> On Tue, Feb 9, 2021 at 12:32 PM Ron Lauzon <[email protected]> wrote: >> >>> Vinegar. You will find many videos about cleaning up leaking batteries >>> on YouTube. >>> >>> This is a common problem with vintage computers. >>> >>> >>> -- >>> Weblog: http://ronsapartment.blogspot.com/ >>> >>> TRS-80 Pocket Computer 2 - TRS-80 Pocket Computer 4 - TRS-80 Model >>> 100/102 - Tandy 1100FD - Tandy 1400LT - Commodore 64 - TRS-80 Model 4P - >>> Kaypro IV - Commodore PET >>> RC2014 (Mini, Zed and Pro) - Altair-Duino with TI Silent 700 - VT320 >>> terminal/Raspberry Pi 0 >>> Some people like to work on old cars. But old computers are cheaper and >>> don't require a big garage. >>> >>> >>> >>> Feb 9, 2021, 15:26 by [email protected]: >>> >>> Just joined the list as I just acquired a used TRS80 Model 100. Of >>> course it's not working, so I just wanted to first ask for some advice. I >>> have been reading info at Club100. >>> Basically, I feel I need to buy some stuff at Club100. First and >>> foremost a new battery, which is highly recommended. Also expansion RAM >>> (since none has been installed), probably the power supply (although maybe >>> premature). But probably better cost wise to get everything right away >>> (shipping costs!). >>> Anyhow, opening it up though I see that this thing obviously had >>> batteries left in it and there is dry acid (whatever that is) about that >>> general area on the board. My concern is that that might be enough damage >>> that there's no way to recover it. Or maybe cleaning that area up might be >>> fine. What is recommended for cleaning up battery acid, btw. >>> Thanks for any suggestions! >>> >>> Curtis >>> >>> >>>
