Re: [midatlanticretro] Re: Repair of MARCH Commodore PET 2001 chiclet keyboard
- From: B. Degnan
Sent: Friday, November 30, 2012 4:37 PM
>Guys guys guys....this is a very easy repair, no need for tape or anythingYes, I already used 90% isopropyl alcohol with cotton swabs to remove any
>like that. No metal actually touches the keyboard just a rubber pad...look
>here, see? if you take off the 18 screws on the back of the keyboard you'll
>that it's all plastic and rubber. Use a little isopropyl alcohol on the
>small circles at the center of the keys, where they make contact with the
>circuit board...no like this, right.
>A little isopl. on the circuitboard too.
>Try that first.
dirt from the circuit board, keys, and everything that involves the
keyboard. The circuit board was not that dirty. The other areas of keyboard
seemed a little dirty and didn't seem to be affecting the responsiveness of
the keys, but I cleaned it anyway.
>Jeff - with the keyboard removed can you activate the dead keys by touchingWhen I press the circuit board with my fingers, *nothing* happens. When I
>the circuit board, with your thumb?
press the circuit board of a known bad contact with a regular plunger
rubber, *nothing* happens. When I use one with the metal foil on the bottom
*something* happens. All this was stated in my museum report of last
- --- In email@example.com, "Jeffrey Brace" <ark72axow@...> wrote:
> > Was my other advice helpful?Oh well :( It was fun throwing ideas out there just the same.
> Not really. I just used ordinary household aluminum.
> I don't know the reason why there is a blue label. I just know that it isRare or not, it definitely looks much cooler!
> more rare than the black one.
> You can ask Bryan Pope, he knows a lot moreI was hoping to see Bryan on the weekend at World of Commodore, but I missed him.
> about the PETs than I do.