I had a similar panic moment not long ago. I ran to the list asking for help and then did a hard rest and was fine. I try to point it out to everyone whenever I can now.
- Kevin On Jul 21, 2018, at 7:01 PM, Nathan Misner <[email protected]> wrote: Holy shit, thank you! The Ctrl+Break trick got it powering on! I thought my M100 was dead, but now it lives to see another day. I really wish Tandy had put that in the troubleshooting flowchart in the service manual, though. -Nathan On Sat, Jul 21, 2018 at 6:51 PM, Fugu ME100 <[email protected]> wrote: > Swap the leads around on the meter :) the black wire to the -ve voltage > and the red to gnd. > > You could also try a cold boot, just in case. Hold ctrl-break and power > on. > > > The NiCd battery is in good health? > > > ------------------------------ > *From:* M100 <[email protected]> on behalf of Nathan > Misner <[email protected]> > *Sent:* Saturday, July 21, 2018 23:42 > *To:* [email protected] > *Subject:* Re: [M100] Model 100 LCD doesn't work > > This is turning out to be "fun". The screen used to not do anything but > after replacing my patch wire the screen is still blank (don't think it's > black, only turns grayish when I push the contrast up all the way) but I'm > able to manipulate the contrast and I'm no longer able to make the computer > beep. I'm not really equipped to measure negative voltage (only have an > analog meter), but VDD measures 5V and VEE makes the meter's needle go as > left as possible, when before the patch wire it measured around +0.2 volts. >
