Apple M0110A Restoration

lint

14 May 2017, 05:40

Hi All,
I have always liked the way this keyboard looked. I finally picked one up on ebay, it arrived and this is what I ended up with.
01.jpg
01.jpg (179.07 KiB) Viewed 4122 times
03.jpg
03.jpg (151.34 KiB) Viewed 4122 times
Doesn't look so bad, lets open her up:
20170428_114338.jpg
20170428_114338.jpg (2.21 MiB) Viewed 4122 times
20170428_182543.jpg
20170428_182543.jpg (1.76 MiB) Viewed 4122 times
20170428_182600.jpg
20170428_182600.jpg (1.98 MiB) Viewed 4122 times
Okay, quite a bit of rust on this thing. It is extremely crusty and much of the insides are sticky with some sort of beverage. I cleaned the case, set it aside and got to work examining the back of the motherboard.
20170503_175942.jpg
20170503_175942.jpg (2.54 MiB) Viewed 4122 times
This is stock soldering:
20170503_175951.jpg
20170503_175951.jpg (2.79 MiB) Viewed 4122 times
The board has some obvious water damage that goes hand in hand with the above rust issues. The board feels slightly "expanded" in parts. Similar to wet particle board that has expanded and then dried again.
Lets de-solder the switches and see whats under there:
20170503_173534.jpg
20170503_173534.jpg (1.28 MiB) Viewed 4122 times
20170503_182742.jpg
20170503_182742.jpg (1.85 MiB) Viewed 4122 times
20170503_182901.jpg
20170503_182901.jpg (1.82 MiB) Viewed 4122 times
20170503_182908.jpg
20170503_182908.jpg (2.17 MiB) Viewed 4122 times
20170503_190647.jpg
20170503_190647.jpg (1.24 MiB) Viewed 4122 times
Bag o' switches (what is the ID on these?)
20170503_190539.jpg
20170503_190539.jpg (1.81 MiB) Viewed 4122 times
Like I said above the board had a "soft" feel to it. Several traces did not survive the de-solder job :(
20170503_190544.jpg
20170503_190544.jpg (2.03 MiB) Viewed 4122 times
20170503_190620.jpg
20170503_190620.jpg (2.16 MiB) Viewed 4122 times
20170503_190603.jpg
20170503_190603.jpg (2.21 MiB) Viewed 4122 times
20170503_190608.jpg
20170503_190608.jpg (2.04 MiB) Viewed 4122 times
After a night of soaking in a de-rust solution, the switchplate is much cleaner.
20170504_173028.jpg
20170504_173028.jpg (2.19 MiB) Viewed 4122 times
20170504_173021.jpg
20170504_173021.jpg (2.09 MiB) Viewed 4122 times
I stripped the rest of the paint off, hit it with a wire brush and sprayed on a quick anti-rust primer to let it sit for now.
20170513_202006.jpg
20170513_202006.jpg (1.4 MiB) Viewed 4122 times
So, I can drop the switches back in at this point (two have cracked housings but I think I can epoxy them if I can't find spares). Is it worth trying to wash the board and fix the traces? Are spare boards out there for purchase? Should I learn how to do that diode job I have seen a few times on this board? I wil need to use an adapter for this board anyhow.

User avatar
Chyros

14 May 2017, 10:27

You can find NOS switches for this keyboard on eBay AFAIK.

User avatar
Daniel Beardsmore

14 May 2017, 13:07

http://www.ebay.com/itm/352042813543 — 1 switch for $2
http://www.ebay.com/itm/182551024463 — 10 switches for $15

The momentary switch model is SKCCAF. The model of the alternate action switch remains a mystery.

User avatar
Chyros

14 May 2017, 15:37

Tbh I'd just replace every switch on the keyboard with NOS ones. Even if they're salvageable, the dirty ones will doubtlessly feel like dogshit on a stick.

User avatar
Daniel Beardsmore

14 May 2017, 17:10

Chyros wrote: Even if they're salvageable, the dirty ones will doubtlessly feel like dogshit on a stick.
I dunno, that sounds like it would be nice and soft to me …

User avatar
seebart
Offtopicthority Instigator

14 May 2017, 17:18

lint wrote: Hi All,
I have always liked the way this keyboard looked. I finally picked one up on ebay, it arrived and this is what I ended up with.
Considering that M0110A is not very rare I would have passed this one up. On the other hand I can respect if you enjoy this type of restoration work but it looks to be in pretty rough shape. Good luck.

User avatar
scottc

14 May 2017, 18:47

Daniel Beardsmore wrote: http://www.ebay.com/itm/352042813543 — 1 switch for $2
http://www.ebay.com/itm/182551024463 — 10 switches for $15

The momentary switch model is SKCCAF. The model of the alternate action switch remains a mystery.
For that price, if you were in the USA, you could almost just buy an entire IBM NOS "Pingmaster" and harvest the switches from that instead!

User avatar
Daniel Beardsmore

14 May 2017, 18:55

There's an IBM keyboard with tall cream switches?

User avatar
gogusrl

14 May 2017, 20:28


User avatar
taylorswiftttttt

14 May 2017, 20:56

removed
Last edited by taylorswiftttttt on 25 May 2022, 11:15, edited 1 time in total.

User avatar
scottc

14 May 2017, 21:13

Ah yeah, my bad, I forgot about the M0110A having the tall SKCCs.

I've never used SKCC switches so this might not apply, but it might be worth taking the switches apart and cleaning the internals, since you've already got them desoldered. If they don't feel scratchy or rough, then I wouldn't bother.

lint

14 May 2017, 21:56

seebart wrote: Considering that M0110A is not very rare I would have passed this one up. On the other hand I can respect if you enjoy this type of restoration work but it looks to be in pretty rough shape. Good luck.
I would have passed too if they posted the internals or I saw any external signed of water damage. This was just a good old fashioned "keys all press and return. no way to test, possibly parts only" sales. I am not out much money and I think I have already gone through the bulk of the time involved. Now just trying to breathe some life back into her.

lint

14 May 2017, 21:58

scottc wrote: Ah yeah, my bad, I forgot about the M0110A having the tall SKCCs.

I've never used SKCC switches so this might not apply, but it might be worth taking the switches apart and cleaning the internals, since you've already got them desoldered. If they don't feel scratchy or rough, then I wouldn't bother.
Thanks, I will explore doing that.

lint

22 May 2017, 00:04

Sprayed a black gloss enamel and let it harden in the Cali sun for a few days. Metal switchplate was severely pitted but there was plenty of metal left and thankfully no mounting holes were corroded. I checked and cleaned each switch as I attached it. I have two replacement switches on order and a stack of diodes on my workbench. Ill have to learn how to do that diode job.
thanks for everyone's help so far.
20170521_144919.jpg
20170521_144919.jpg (1.37 MiB) Viewed 3854 times
20170521_144900.jpg
20170521_144900.jpg (1.13 MiB) Viewed 3854 times

User avatar
seebart
Offtopicthority Instigator

22 May 2017, 08:39

lint wrote:
seebart wrote: Considering that M0110A is not very rare I would have passed this one up. On the other hand I can respect if you enjoy this type of restoration work but it looks to be in pretty rough shape. Good luck.
I would have passed too if they posted the internals or I saw any external signed of water damage. This was just a good old fashioned "keys all press and return. no way to test, possibly parts only" sales. I am not out much money and I think I have already gone through the bulk of the time involved. Now just trying to breathe some life back into her.
Yeah I understand, good work sofar!

Post Reply

Return to “Keyboards”