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Vintage Synth Repair

Index last updated: 2026-04-28 23:41 UTC

Message

Re: DX7 plays no sound....

2006-11-01 by gil_we

It would be so great if you could send it... Lemme know :)



--- In vintagesynthrepair@yahoogroups.com, "jim" <leman@...> wrote:
>
> Hi Miguel 
> 
> Many years ago, I had a DX7 and put an expansion card to get 4
> internal banks. 
> to install the card, I'd to remove the genuine IC ROM from the DX.
> I sold the keyboard but I think I still have these genuine ROMs.
> If you need them, tell me, I'll look for them. Just be patient and
> make a pray to help me to find them easily !
> 
> jim
> 
> --- In vintagesynthrepair@yahoogroups.com, grantbt@ wrote:
> >
> > I don't think those ROMs would be that hard to come by...
> > 
> > GB
> > 
> > 
> > -----Original Message-----
> > >From: gil_we <gil_we@>
> > >Sent: Oct 31, 2006 12:26 PM
> > >To: vintagesynthrepair@yahoogroups.com
> > >Subject: [vintagesynthrepair] Re: DX7 plays no sound....
> > >
> > >No I don;t think so. You need the two original ROMS that have 
been 
> > >removed once installing it. Sounds like bad contacts somewhere. 
I'll 
> > >check it out.
> > >
> > >
> > >
> > >--- In vintagesynthrepair@yahoogroups.com, "GB" <grantbt@> wrote:
> > >>
> > >> Remove the E! ?
> > >> 
> > >> GB
> > >> 
> > >> ----- Original Message ----- 
> > >> From: "gil_we" <gil_we@>
> > >> To: <vintagesynthrepair@yahoogroups.com>
> > >> Sent: Tuesday, October 31, 2006 3:48 AM
> > >> Subject: [vintagesynthrepair] Re: DX7 plays no sound....
> > >> 
> > >> 
> > >> Hey buddies,
> > >> 
> > >> After following the procedure for master reset proived with 
the E1
> > >> Expansion Card manual (which is on my DX7), I can finally hear
> > >> sounds, but it behaves very strangely. Most of the times when
> > >> powering it On, sounds will play, but some notes sustain 
forever,
> > >> volume changes between notes, some notes are cut after a few
> > >> miliseconds, some do not play at all, some play well.... all
> > >> randimally. On the other hand, I could once have it playing 
just
> > >> fine !
> > >> 
> > >> What do you think could be the problem ?.....
> > >> 
> > >> 
> > >> 
> > >> 
> > >> --- In vintagesynthrepair@yahoogroups.com, "Miguel Mendoza"
> > >> <miguel@> wrote:
> > >> >
> > >> > Thanks Fran�ois, that would be a good info.
> > >> >
> > >> > Cheers!
> > >> >
> > >> > Miguel.
> > >> >
> > >> >   ----- Original Message ----- 
> > >> >   From: francois basquin
> > >> >   To: vintagesynthrepair@yahoogroups.com
> > >> >   Sent: Tuesday, October 31, 2006 2:06 AM
> > >> >   Subject: Re: [vintagesynthrepair] Re: DX7 plays no 
sound....
> > >> >
> > >> >
> > >> >   Miguel,
> > >> >
> > >> >   there is a procedure to reset the entire DX (and to empty 
all 
> > >the
> > >> mem). I
> > >> >   don't rember it well, but I do have it in a book and can 
find it
> > >> if
> > >> >   necessary.
> > >> >
> > >> >   Fran�ois
> > >> >
> > >> >   >From: "Miguel Mendoza" <miguel@>
> > >> >   >Reply-To: vintagesynthrepair@yahoogroups.com
> > >> >   >To: <vintagesynthrepair@yahoogroups.com>
> > >> >   >Subject: Re: [vintagesynthrepair] Re: DX7 plays no 
sound....
> > >> >   >Date: Mon, 30 Oct 2006 18:28:01 +0100
> > >> >   >
> > >> >   >Hi Narfman,
> > >> >   >thanks a lot for your answer and help. I needed the system
> > >> settings because
> > >> >   >I had an issue with the keyboard, only one octave was 
playing, 
> > >I
> > >> though it
> > >> >   >might be a hidden option in the system setup. But it was 
due to
> > >> a hardware
> > >> >   >problem already solved.
> > >> >   >
> > >> >   >Thanks again for your help.
> > >> >   >
> > >> >   >Kind regards.
> > >> >   >
> > >> >   >Miguel.
> > >> >   >
> > >> >   >
> > >> >   > ----- Original Message -----
> > >> >   > From: narfman96
> > >> >   > To: vintagesynthrepair@yahoogroups.com
> > >> >   > Sent: Sunday, October 29, 2006 3:49 PM
> > >> >   > Subject: [vintagesynthrepair] Re: DX7 plays no sound....
> > >> >   >
> > >> >   >
> > >> >   > Miguel,
> > >> >   >
> > >> >   > E-mail me at Narfman96 at yahoo dot com if you want the 
sysex
> > >> for
> > >> >   > the DX7II setup. I couldn't find your address as it's 
private.
> > >> >   > I'm not sure you wan't just any system setup because it 
> > >defines
> > >> >   > evrything from the CC controller id's to the patch change
> > >> transmit
> > >> >   > buffer. All the midi channels for each voice group (A or 
B)and
> > >> the
> > >> >   > transmit channel (I use ch. 1). Local on/off and sysex 
on/off
> > >> are
> > >> >   > located in the setup file too. Be careful. It may be 
easier to
> > >> set
> > >> >   > your synth for the way you use it with your gear and 
save that
> > >> setup.
> > >> >   > Either way if you contact me I'll send you whatever you 
> > >need...
> > >> >   >
> > >> >   > Narfman (I'm in all the Yamaha DX groups also.)
> > >> >   >
> > >> >   > --- In vintagesynthrepair@yahoogroups.com, "Miguel 
Mendoza"
> > >> >   > <miguel@> wrote:
> > >> >   > >
> > >> >   > > Hello, I think you should also to restore the system 
> > >settings
> > >> that
> > >> >   > were in the memory like master tunning, volume and voice
> > >> tunning.
> > >> >   > > By the way, does anybody have a system backup sysex 
file of
> > >> the DX7
> > >> >   > II or can do it? Please, if you could send it to my 
email. I
> > >> would be
> > >> >   > very grateful.
> > >> >   > >
> > >> >   > > Regards.
> > >> >   > >
> > >> >   > >
> > >> >   > >
> > >> >   > > ----- Original Message -----
> > >> >   > > From: gil_we
> > >> >   > > To: vintagesynthrepair@yahoogroups.com
> > >> >   > > Sent: Sunday, October 29, 2006 9:32 AM
> > >> >   > > Subject: [vintagesynthrepair] DX7 plays no sound....
> > >> >   > >
> > >> >   > >
> > >> >   > > I just got a DX7 (first version), and it plays no 
sound.
> > >> >   > >
> > >> >   > > I first checked the battey - and indeed it was low. I
> > >> replaced it
> > >> >   > with
> > >> >   > > a new 3v lithium, preset banks has been reset as 
expexted.
> > >> >   > >
> > >> >   > > I tried playing some patches from the ROM cartridge 
(which
> > >> didn't
> > >> >   > > suppose to be affected by the battery change), and 
> > >programming
> > >> >   > some new
> > >> >   > > patches, but no sound it heard on neither. Anyhow, I 
can 
> > >hear
> > >> the
> > >> >   > hiss
> > >> >   > > coming from the amplification circuit...
> > >> >   > >
> > >> >   > > does anyone have any idea where should I look at ?
> > >> >   > > Is that a common problem on the DX7 ?
> > >> >   > >
> > >> >   > > Thanks, can't wait to make it work ;)
> > >> >   > >
> > >> >   >
> > >> >   >
> > >> >   >
> > >> >   >
> > >> >
> > >> >   __________________________________________________________
> > >> >   Voyez vos amis en faisant un appel vid�o dans Windows 
Live
> > >> Messenger
> > >> >   http://imagine-msn.com/messenger/launch80/default.aspx?
> > >locale=fr-
> > >> ca
> > >> >
> > >> 
> > >> 
> > >> 
> > >> 
> > >> 
> > >> 
> > >> Yahoo! Groups Links
> > >>
> > >
> > >
> > >
> > >
> > >
> > > 
> > >Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
>

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