Did you do a cold-start? Hold down CTRL and BREAK while you press RESET .
On Thu, Jun 22, 2017 at 2:20 PM, Joshua Ray <[email protected]> wrote: > Hi all, > > I replaced the NiCd battery with a replacement NiCd rated as 3.6 V, 60 > mAh. It reads 3.8 V on my multimeter. > > I reassembled the components to test it again, and when I switch the > memory power on the LCD immediately turns on without me pressing the power > button. I'm still getting vertical lines and there is no response when I > try to cold start. > > I'm a bit stumped. I didn't have any solder spillage and the battery > polarity is correct. Any thoughts? > > On Thu, Jun 15, 2017 at 6:48 PM, Mike Stein <[email protected]> wrote: > >> Definitely replace that battery soon! >> >> Power on, then hold CTL BREAK and press RESET button. >> >> Good luck! >> >> ----- Original Message ----- >> *From:* Joshua Ray <[email protected]> >> *To:* [email protected] >> *Sent:* Thursday, June 15, 2017 6:09 PM >> *Subject:* Re: [M100] Tandy 200 repair, guidance requested >> >> I did check the battery before, but now that I look more closely there is >> some leakage just beginning to occur. It hasn't reached the board yet, but >> I think I should play it safe and remove it. Thanks for mentioning that. >> >> When you do a cold start do you hold the buttons then press the power >> switch, or do you press them after powering the computer on? >> >> Thanks. >> >> On Thu, Jun 15, 2017 at 5:50 PM, Mike Stein <[email protected]> wrote: >> >>> Fresh AAs will be fine; (you did check that there's no sign of any >>> leakage around the internal NiCd battery?) >>> >>> Cold start: >>> Hold down CTRL BREAK while you press RESET >>> >>> ----- Original Message ----- >>> *From:* Joshua Ray <[email protected]> >>> *To:* [email protected] >>> *Sent:* Thursday, June 15, 2017 5:39 PM >>> *Subject:* Re: [M100] Tandy 200 repair, guidance requested >>> >>> I don't have the power adapter unfortunately. Will it function just as >>> well on AA batteries? >>> >>> Could you also explain what you mean by cold start? >>> >>> Thanks! >>> >>> On Thu, Jun 15, 2017 at 5:34 PM, John R. Hogerhuis <[email protected]> >>> wrote: >>> >>>> Power problems are common when you first get a Model T out of storage. >>>> >>>> Generally it needs to be plugged in, left on overnight to get the >>>> internal nicad charged up. Then do a cold start to clear the RAM. >>>> >>>> -- John. >>>> >>> >>> >> >
