Sv: [sdiy] tr909 schematics -> sequencer part

[Daniel Araya]

Strange, I fixed a 909 for a friend last night!
It also had sequencer-troubles, it turned out to be a broken trace from
the CPU to the ROM. This was propably caused by the roland-tech that
changed the processor, RAM and ROM a few years back.
This particular 909 had an EPROM installed in a socket instead of the
usual solderd in ROM , so I made a hex-dump if anyone need the 909
program.

I was fortunate enough to find the fault without the schematic but if
anyone scans it I could use a copy for next time!

regards

/Daniel

>>> "Rude 66" <rude66 at xs4all.nl> 2005-03-11 22:04:00 >>>
does anyone have or know the online location of the tr909 schematics? i
just
found out mine didn't survive the last gig we did..
all the sounds are there, but the sequencer is mad! some buttons don't
work,
etc. it's behaving like there;s a loose contact somewhere in the
sequencer
section

i need to know only the sequencer part.. the voices all seem to be ok.
but
all i can find online are parts of the schematics for the different
voices..

my thanks forever! ;-)

ruud