From Brian Willoughby Sent Sat, May 25th 2019, 17:27
Before you change any chips, could it be a battery? I=E2=80=99ve never looked inside a Synthex, so I don=E2=80=99t know = what=E2=80=99s involved. Brian On May 25, 2019, at 10:14 AM, Bob Grieb via analogue = <xxxxxxxx@xxxxxxxxx.xxx> wrote: > Sequencer data is stored in battery backed RAM, starting at address = 0400h, > which is the start of the RAM2 chip select, so chips 2L and 2M. >=20 > I suggest changing out those SRAMs to see if that fixes the problem. >=20 > You may want to buy enough chips in case the patch ones fail later on, > as they are the same type. >=20 > Sorry I am not able to respond in the same thread. Using a browser = to read > the messages. >=20 > Bob Grieb >=20 > On May 25, 2019, at 9:49 AM, Neil Dunn <xxxx.x.xxxx@xxxxx.xxx> wrote: >> Hi folks >>=20 >> I'm hoping someone can offer some advice and help me repair my = Synthex sequencer which has a few issues. >>=20 >> The sequencer is acting very odd, it stores random note data on all = for channels with some being very long indeed. >> Once deleted (which can sometimes take two or three efforts) i can = record sequences but once i power down and back on again my programmed = sequences are gone and the random note data has returned. >>=20 >> For the record i've had this unit approx six years and it's always = been like this, it's MK2 with JB Emonds midi kit installed >>=20 >> Any advice is welcomed >=20