I have a problem with my CR-68 ComuRhythm. The Variation function does not seem to be working, or rather, it seems to be locked into that function so that it's constantly playing a variation rather than the basic beat. Setting it to Auto or Manual and using the external switch all have no effect. It's something that I could live with but I'd like to get it repaired if at all possible.
Is there anyone with knowledge of these boxes who could suggest something I could possibly do (I have contact cleaner but soldering is beyond me). Or else, is there anyone out there who can fix these things? Thanks for any advice.
Comments
Open the box. Take a look at all of the connectors on the inside of the front panel. Something may have worked loose.
The likeliest point of failure is the Variation push button itself. It may have failed mechanically. The solder joints may have dried.
If it's a push to make flip flop switching circuit than a switch failed in the on state could well cause the external foot switch to become ineffective as it can't change the first condition
Thanks @goldtop,I've sent a message to Synth Prof as there is another fault in addition to the Variation button - the A/B switch is not doing its job, plus I don't think the drum sounds are quite as good as the TR-66 I have, so it would probably benefit from a full service.
@Danny1969, there is indeed an identical button to the Variation button, the Start button, and I did consider swapping them around but it would mean disassembling the whole board which is beyond me tbh and would likely result in more damage. I'll leave it to the experts.
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Bollocks. Had I known, I would have bought it.
HarrySeven - Intangible Asset Appraiser & Wrecker of Civilisation. Searching for weird guitars - so you don't have to.
Forum feedback thread. | G&B interview #1 & #2 | https://www.instagram.com/_harry_seven_/