That's a latching switch though, right? He needs a momentary. Or can
they be converted internally?

On Thu, Jan 25, 2018 at 3:23 PM, Peter Vollan <[email protected]> wrote:
> I recommend the "num" key, the numeric keypad is worthless.
>
>
> On 24 January 2018 at 18:58, David Boyd <[email protected]> wrote:
>> Yes, I took the keyswitch apart. M102 keyswitches, at least mine, are rubber
>> domes internally. I removed the dome and cleaned the contacts as well as I
>> could — no luck. The key will record presses if I press down very hard and
>> then rock the key forward and back, which is why I re-flowed the solder,
>> without success. Possibly I will swap it for the “code” key, since I rarely
>> use that, but I’d prefer a replacement key. If I find a good modern
>> replacement, I might do all of them.
>> On Wed, Jan 24, 2018 at 16:01 Fugu ME100 <[email protected]> wrote:
>>>
>>> Have you tried removing the key cap and cleaning it internally?
>>>
>>>
>>> The key caps can be removed very, very carefully.  I had a bad M100 key
>>> that would not work even after externally using cleaner, took it apart to
>>> find a dead spider blocking the contacts.  The key caps are locked to the
>>> main PCB part by two plastic tabs they need to be eased open very gently, I
>>> used a dental tooth pick.  You can see how the plastic key cap is locked to
>>> the base by examining the keys near the edge of the keyboard.   Once the key
>>> cap is removed you should be able to take out the spring and metal disc,
>>> just remember how it all goes back together :)   Then clean the  inside with
>>> a cotton bud soaked in contact cleaner.  Hopefully there is some debris
>>> internally blocking the contact.
>>>
>>>
>>> If the plastic locks are correctly open it should take no force to remove
>>> the key cap.  If it is still refusing to move then it has not been unlocked
>>> do not use any strong force the plastic will break.
>>>
>>>
>>> Oh make sure the key cap is the right way round before reassembling
>>> otherwise you get to practice the skill again :)
>>>
>>>
>>> The keys are really simple on the M100 and I assume the T102 are similar.
>>>
>>>
>>> ________________________________
>>> From: M100 <[email protected]> on behalf of David Boyd
>>> <[email protected]>
>>> Sent: Wednesday, January 24, 2018 02:13
>>> To: [email protected]
>>> Subject: [M100] Need a M102 keyswitch
>>>
>>> Hello everyone,
>>>
>>> Has anyone got a parts 102 and would be willing to part with a keyswitch?
>>> My ‘B’ key has failed, and I’ve tried switch cleaner and reflowing the
>>> solder joints including the diodes with no luck.  Failing that, is there a
>>> compatible keyswitch available commercially?
>>>
>>> —
>>> Dave Boyd
>>> --
>>> --
>>> Dave Boyd
>>>
>>> Hey! Just for fun, copy this line to your sig file!
>>
>> --
>> --
>> Dave Boyd
>>
>> Hey! Just for fun, copy this line to your sig file!

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