Hi, There's another member, Josh Malone, who has a youtube channel and explains how to do that on both the M-100 and the T-102. There are some very useful hints about assembly and disassembly that you MUST pay attention to. Those videos were a great refresher for me.
To inspect the battery is easy on the M-100. Just open the case (carefully!) and you will see the battery right there, since the component side of the motherboard is "up" in this unit. Check for green powder on the negative terminal of the battery and the motherboard and if you see any, get that battery out of there as quickly as possible. I was lucky in that it had only just started and there was very little on the motherboard itself. The task of replacing the battery is easy enough once you get the motherboard out of the case. For the M-100, there are half a dozen screws holding the motherboard in place, one of them is UNDER one of the 8K expansion RAM modules, so you'll need to remove it to get to the screw. I recently bought a desoldering gun that heats the pad and uses an electric pump to suck up the solder -- that worked like a charm, much better than desoldering braid and manual solder suckers. I absolutely recommend it. You can also try the new desoldering tubes but I don't have any experience with those. Another member here runs an online store called arcadeshopper where you can get the replacement batteries, and a new set of capacitors in case yours have started to swell or leak. I'm about to place my order :-) Hope that helps. Good luck. Regards, Bert On 7/30/20 9:07 AM, NURF NURD wrote: > how difficult is it to replace the batter in the M100 im still rather > new to this M100 only had mine a year and havent messed with it much > > On Thu, Jul 30, 2020 at 6:58 AM Bert Put <[email protected] > <mailto:[email protected]>> wrote: > > Thanks Brian for the detailed instructions.?? It was the "multiple tries" > that likely did me in -- the ribbon developed a kink that I could not > straighten out.?? I happened to flip the cable and noticed that some > metal traces had moved, then I said a lot of bad words and put the thing > away.?? I'll leave it alone while I think about it some more before I try > again. > > I'm actually wondering what would be involved in replacing that entire > ribbon cable and connector mess with a more sturdy solution, similar to > the M-100??? Surely that would not add so much weight, and it would have > to be better for maintenance? > > Cheers,?? ?? Bert > > On 7/30/20 2:50 AM, Brian White wrote: > > Then just be real careful to get it lined up just right and do one > > smooth push inserting the end into the socket to try to avoid > having to > > take multiple tries at it. > > >
