Search found 4 matches

by ToyTech
Fri Dec 30, 2011 1:10 am
Forum: KORG SV-1
Topic: Tube died?
Replies: 13
Views: 8678

I posted a question on Harmony Central forums about someone making a keyboard repair guide but it didn't get much response. Things like guitars are pretty straight forward to work on, but I don't know anything about keyboard repair. I hear stories about people swapping keybeds, adding keys and ...
by ToyTech
Thu Dec 29, 2011 12:18 am
Forum: KORG SV-1
Topic: Tube died?
Replies: 13
Views: 8678

I agree with a comment above, that the valve SHOULD be user-accessable. It's actually ridiculous that it's not and end-user changable part, in fact as a service-tech, i'd prefer that valves, backup batteries, ram upgrades COULD be performed by the home user, 'coz i'm sick of it hehehehee, but that's ...
by ToyTech
Wed Dec 28, 2011 12:00 am
Forum: KORG SV-1
Topic: Tube died?
Replies: 13
Views: 8678

Forgot to also add: YES - there is an alignment procedure once the valve is replaced, to match the levels between "regular" and "amp modeler" modes.. NO - It isn't always a broken valve when the "cutout fault" occurs, there can be any assortment of issues with input/output components & connections ...
by ToyTech
Wed Dec 21, 2011 4:16 am
Forum: KORG SV-1
Topic: Tube died?
Replies: 13
Views: 8678

Maybe a late follow-up, but thought i'd add my 2 cents ;-) I'm a service Tech for Korg products (amongst many other brands), but i DON'T work for Korg directly. YES - the tubes often die/crack/explode - not sure why, bad batching? I've replaced almost 10 in the past year. NO - The tube cannot be ...

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