"Unimobiles.com" <sales@unimobiles.com> wrote in message
news:vhrb455telgh2qkp8lb0mdq1nt7r53j1dv@4ax.com...
> On Fri, 26 Jun 2009 23:28:37 +0100, "Steve Terry" <gFOURwwk@tesco.net>
> wrote
>>"Unimobiles.com" <sales@unimobiles.com> wrote in message
>>news
vda45t63203t7njpphuq8dp5e2uho3ace@4ax.com. ..
>>> Have anyone ever pulled one of these old bricks apart? I want to
>>> change corroded power connectors for many of these old beasts.
>>>
>>> There are four screws to unscrew on the back which is easy enough, but
>>> after doing that it doesn't seem to want to come apart, no matter how
>>> much pulling I do. I have checked for any hidden screws under the
>>> stickers and there doesn't seem to be any.
>>> Any ideas?
>>>
>>It's been years since i dismantled one of those, i think you'll find a
>>screw under the serial number sticker?
>>
>>You can't value your time as worth much, messing around with junk.
>>At least the M3788 is dualband, unlike the previous C / D520
>>Steve Terry
>
> Yes you're right, I found it in the end. Have around 300 x C520/M3788
> from a charity collection, half of which are leaking battery acid and
> have broken/corroded away battery terminals.
>
> They are a well built German/UK made phone, not rubbish (like early
> Sagems). I will be seeking to make good working M3788's out of them
> and put the damaged parts on the Monobands. The M3788s are pretty good
> for reception and also they will take AA batteries (which have a long
> shelf life) , so they are useful as emergency phones for the car.
>
To take AA cells you need the optional expanded back case,
the standard NiMh battery consists or 4x long AAA cells
If you know of a source of cheap battery packs I'd be interested,
as i have a use for the long 800mAh AAA cells used in them.
>
> Regarding the battery terminals, do you have any idea what I should
> clean them with to prevent them corroding any further, and to clean
> any existing corrosion off?
>
Distilled water?
Steve Terry