As it was located close by I drove there to pick it up myself. While talking to the seller she mentioned she had more stuff for sale. The Korg DW was the only thing I was interested in. I tested it and although it seemed to function as it should there was no sound on the outputs so I did not buy it. The DW has a built-in arpeggiator and digital delay unit up to ms delay, phasing, flanging, chorus and other time effects.
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As it was located close by I drove there to pick it up myself. While talking to the seller she mentioned she had more stuff for sale. The Korg DW was the only thing I was interested in. I tested it and although it seemed to function as it should there was no sound on the outputs so I did not buy it.
The DW has a built-in arpeggiator and digital delay unit up to ms delay, phasing, flanging, chorus and other time effects. All parameters can be altered in real time via a single programmable slider. The keyboard is velocity sensitive and supports aftertouch. It was produced by Korg between and I already knew a bit about it and really liked the analogue sound I had heard in several videos and audio samples on the web. I never, however, had looked into the more technical stuff of this instrument.
I downloaded the manual and service manual and discovered that more people had experienced a silent DW Apparently, this problem is caused by a dead backup battery on the main circuit board. It sounded like a fairly easy fix… So I contacted the seller again asking if the DW was still available as I feared it had been thrown away as it was not working when I had tested it.
Luckily that was not the case and I could pick up the synth for a nice price. Repairing the DW Opening up synths is often a difficult and time consuming procedure. Usually there are plenty of screws of different sizes and it is more often than not unclear which ones are actually needed to be removed to be able to open the synth without damaging the inside or stuff falling out.
Looking at the circuit boards there seems to be some kind of extension board installed on the main circuit board. If you know what it is, let me know!
Original Korg DW backup battery soldered to the main circuit board. The original backup battery of the DW is soldered onto the main circuit board. Why anyone would even do that is beyond me…? Then I used a new battery holder, which I had salvaged from an old PC motherboard and wired that to the circuit board of the DW After putting in a new CR battery it was time for a first test… New backup battery installed Getting sounds into the DW Switching on the DW was no problem and everything still seemed to work as should.
When pressing a key, I heard a sine like sound through the headphones. It worked! For a good test I downloaded a sound file of the Korg factory sound bank as there are two ways to transfer sounds into the DW By MIDI dump from a computer or by using a tape recorder to play a cassette containing the sound data. The loaded bank was displayed 1 to 8 and a very reassuring GOOD was displayed after the load was finished.
A quick check learned that the sounds were loaded into memory and sounded great. Next, I turned off the DW, waited a little while and turned it on again. All data was still there. I think the sound quality is excellent. I especially like the deep analogue sounds with filter sweeps.
And I could play for hours with the on-board arpeggiator. Great fun! More information.
Physical characteristics[ edit ] Physically, the instrument used a note synthesizer action keyboard. The DW keys were velocity sensitive. As such, a light press triggered a quieter sound and a hard press triggered a louder sound. As well, its keys could sense channel-pressure aftertouch as well. Aftertouch is the placing of pressure on keys after the initial striking or pressing of the keys. The keyboard sends aftertouch messages via MIDI if required.
Cherry DW 8000 Manuals
Samuzshura Disconnecting certain vires can scramble the memory contents and the DW will require re-initialization. Unplug all electrical connections first and do not touch anything connected to electricity. Let it rest on the table on its rubber feet so that the keyboard is facing towards you. Memory architecture, operation and interface pg, IV: If the plastic plunger is correctly installed it won f t come loose no matter how much the DW is shaken. I will give it a try for sure.
Reviving a silent Korg DW8000 synthesizer
Cherry DW 8000 Operating Manual