Vintage Synth Repair

Nick, do you have a scope? If so, monitor the output of the DAC ( AFAIK, DX7IID is monaural like the old one, so only one DAC).

--- In vintagesynthrepair@yahoogroups.com, Daniel Forró <dan.for@...> wrote:
>
> This parameter doesn't turn off the audio.
> 
> It just switch off the control of internal tone generator from  
> internal instrument's keyboard. Audio will work when instrument is  
> controlled from the external MIDI keyboard or sequencer.
> 
> Daniel Forro
> 
> 
> On 26 Feb, 2013, at 6:22 AM, Horse Legs wrote:
> 
> > There is a setting called "Local Off" (?) that turns off the audio.   
> > I had this problem once.  Check this before opening it up.
> >
> > -TF
> >
> > --- In vintagesynthrepair@yahoogroups.com, "alesisfusion8hd"  
> > <babouche369@> wrote:
> >>
> >> No audio on headphone either? Recently fixed one with no audio out,  
> >> but headphone ok; a bad solder join.
> >>
> >> François
> >>
> >> --- In vintagesynthrepair@yahoogroups.com, "Nick" <mckenzie126@>  
> >> wrote:
> >>>
> >>> Hopefully picking one of these up but with no audio out. I see  
> >>> here in the files section there is a circuit schem for the DX7 - I  
> >>> assume the audio out stage is the same on the DX7 as it is on the  
> >>> DX7II, can anyone confirm this?
>