[sdiy] help with uQ repair

[Julian Schmidt]

Am 24.02.2017 um 16:51 schrieb ASSI:
> Hmm.  I think if it isn't a voice extended unit it should only show a DSP on
> slot 1 (the two additional slots are for the voice expansion).  Is it possible
> that this unit had its voice expansion removed?  Depending on the main board
> version you might need to move some jumpers or even zero-Ohm resistors in that
> case.

that is a good hint. I'll look into it.
It looks like a very early yellow unit serial 555.
No idea about its story, found it used, broken and cheap ;)
> The more likely culprit is the DSP SRAM.
Maybe I'll hook up the logic analyzer to the SRAM and have a look.
Yesterday I was probing the flash and it seems to be still ok.
>> Is it worth it to try and replace the DSP? they are still in stock at
>> digikey.
> I guess it'd be easier to just get another microQ.
Now where is the fun in that!?! :-D

Thanks,
Julian