Worth making sure you are getting the right analogue voltages back from the
decode... It is always worth bearing in mind that the Intersil HM6514 is a
valid replacement for the old Toshiba SRAM, however, it does have slightly
higher current consumption so be aware. If you are located in the US this
lot reckon they have them available!
http://www.jameco.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&productId=43238&catalogId=10001&freeText=6514&app.products.maxperpage=15&storeI
d=10001&search_type=jamecoall&ddkey=http:StoreCatalogDrillDownView
A
On 10/03/2010 02:51, "backshall1 (dsl)" <backshall1@bellsouth.net> wrote:
>
>
>
>
>
> The DAC was off a bit. Must have bumped it while messing with all the other
> stuff. However, readjusting it changed the sound of all patches a bit but
> didn't help fix the few patches that just won't save what I put in them. I
> guess I'll still have to try the RAM chip. Quest has a US $25 minimum and
> Vintage Planet has a 15 Euro minimum. Anybody know a good psychic who can
> tell me what parts I'll need next week or next month?
> Don
>
> _____
>
> From: PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com>
> [mailto:PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com> ] On Behalf
> Of
> Andrew Jury
> Sent: Tuesday, March 09, 2010 1:04 PM
> To: PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com>
> Subject: Re: [PolySix] TC5514 memory chip
>
> Just before you ditch the old SRAM chip make sure you have correctly set up
> the d/a converter using the procedure detailed in the manual!!
>
> Cheers,
> Andy
>
> On 09/03/2010 17:33, "longenough2002" <backshall1@bellsout
> <mailto:backshall1%40bellsouth.net> h.net> wrote:
>
>> >
>> >
>> >
>> >
>> >
>> > Now that the photocoupler is working, I've noticed some parameters not
> being
>> > stored for a few patches. The affected patches are A5,6,7 and C6,7. A5
> just
>> > seems to lose the cutoff value. The others lose MG values and a couple
> seem to
>> > lose just about everything. I can't see anything that would cause this
> other
>> > than a bad memory chip. So, the question is, where is a good source for
> the
>> > TC5514 chip and are there other compatible replacements? It looks like
> Vintage
>> > Synth has them.
>> >
>> >
>> >
>> >
>> >
>
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