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Beiträge, die mit ESQ1 getaggt sind
Does any #electronics nerd have an idea what could be wrong with this funny old display? #fedihelp
The upper line has some segments that are always on everywhere, like a letter K without the first vertical line.
The second line is missing the lower right half vertical element everywhere.
It should read “ENSONIQ ESQ 1…” and “AND SEQUENCER…”
This is the display board of an #Ensoniq #ESQ1 #synthesizer, the first edition (metal case).
Voltages are all in spec. I tried cold spray on the ICs without an effect and I resoldered some stuff that looked dubious. But still.
Second image shows the chips apparently controlling the display.
The upper line has some segments that are always on everywhere, like a letter K without the first vertical line.
The second line is missing the lower right half vertical element everywhere.
It should read “ENSONIQ ESQ 1…” and “AND SEQUENCER…”
This is the display board of an #Ensoniq #ESQ1 #synthesizer, the first edition (metal case).
Voltages are all in spec. I tried cold spray on the ICs without an effect and I resoldered some stuff that looked dubious. But still.
Second image shows the chips apparently controlling the display.
„I have this old keyboard. You can have it. It has these digital sounds we were into back then because we were fed up with the 70ties. It needs a new battery.”
After learning that the guy was talking about his old #Ensoniq #ESQ1, I said yes without even looking at it. It was made almost 40 years ago. It has 8bit #wavetable oscillators and analog Curtis filters.
As with old cars with a flat tire, you soon notice that the tire is not big problem at all… somebody had replaced the pcb-mounted battery by one floating around in there, being easier to replace. I ordered a replacement part.
It turned out, that most of the keys didn't work any more. Luckily the keyboard is a very simple construction. So I inhaled a lot of Kontakt60 vapours, and while I was at it removed the nicotine residues from everything using alcohol… until I got a bad headache.
Does anybodyknow if I can upgrade the #firmware of this #synthesizer using the version 3.5 chips available from Ebay? Or does it depend on PCB bord revisions?
After learning that the guy was talking about his old #Ensoniq #ESQ1, I said yes without even looking at it. It was made almost 40 years ago. It has 8bit #wavetable oscillators and analog Curtis filters.
As with old cars with a flat tire, you soon notice that the tire is not big problem at all… somebody had replaced the pcb-mounted battery by one floating around in there, being easier to replace. I ordered a replacement part.
It turned out, that most of the keys didn't work any more. Luckily the keyboard is a very simple construction. So I inhaled a lot of Kontakt60 vapours, and while I was at it removed the nicotine residues from everything using alcohol… until I got a bad headache.
Does anybodyknow if I can upgrade the #firmware of this #synthesizer using the version 3.5 chips available from Ebay? Or does it depend on PCB bord revisions?
