[sdiy] AceTone Rhythm Ace Full Auto Schematics

[synth]

hey matthias,
i have a copy of one of the models.  which one do you have?  also i  
have a couple of the machines if you would like some images of the  
power board.
p.






On Dec 20, 2013, at 12:56 PM, Oren Leavitt wrote:

>
>
> On 12/20/2013 5:39 AM, Matthias Herrmann wrote:
>> hi all,
>>
>> i got one off ebay and it needs quite a bit of repair, i fear.
>>
>> there is an annoying hum from the mains everywhere. i already  
>> earthed the chassis (safety), and i
>> checked the huge filter cap. for more work i needed the schematics  
>> - the power scheme of this beast
>> drives me crazy, and it looks like someone tried a little bit on  
>> this machine before me...
>>
>> i appreciated any help, you might want to contact me offline, since  
>> this is not strictly synth DIY.
>>
>> cheers,
>> matthias herrmann
>>
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>>
>
> Nice - I'd reflow/reheat all of the solder joints on both boards.  
> The chassis is flimsy and causes the large pcb boards to flex if the  
> unit is moved around. 40+ years of being bumped around is bound to  
> loosen some stuff.
> I have an FR-1 - A reflow, and a few replaced electrolytic caps  
> worked wonders.
>
> Enjoy!
>
> - Oren
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