Vintage Synth Repair

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
>> >
>> 
>> 
>> 
>> 
>> 
>> 
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