20 Most Recent Roland KC550 Amp Keyboard - Page 7 Questions & Answers

That sounds like a compnent failed in the preamp section. This will not be user servicable and will need to go into the repair shop.

Support Roland Your best bet is to contact Roland support. Here's the link- Support Roland

if its less than five years old then you maybe able to order it right from roland , older than that you can always ask them but you might be out of luck , a friend of mine had a problem with his keyboards display too and it turns out it had a external display monitor output on the back, ive rigged him up a small 4 inch tv that plugs right into it and now he can select all his functions using that . works

As far as I know, Roland programs all it's drum sounds in all of it's instruments from the factory to the same note numbers.

As long as your power supply is supplying the correct voltage and the amp rating is sufficent, and of course the power supply itself is functioning, then your problem is more likely to be a routing error somewhere.. it's probavbly best to center all controls, disengage all switches, and start over from nothing. You should also check that what ever you are using to hear the signal is functioning correctly as well.

Assuming you have checked the fuses, it's most likely the power supply. It will need to go to the shop.

How can you state power supply is working excellent, please?

to get an answer to that question you will have to first comment on what it is doing that makes you think something is wrong

As I recall, D110 voice programs will tranfer the voice data to D4/10/20 but not D50. However, no setup or performace data will transfer. However, it's been quite a while since I've used a D110.

This will not be user fixable. Check the Roland site for a service center near you.

Disassembly the unit. Your question is less detailed. If the keys is broken,replace with new. If you mean "How to",then you need the service manual. Outputs problem,usually causes by output IC (or input IC) is defects. It also can cause by AD/DA IC is error.

Yes, in most cases a Roland Me70 can be repaired.

The instructions are on page 77 of the manual, which is located here- http://lib.roland.co.jp/support/en/manuals/res/1810808/RD-300GX_e2.pdf

You should re-initalize the keyboard. If that doesn't work, contact roland customer service.

1471 and 14713 to call back

Yes, you can change the drive out yourself if you are a competent repairman. I you want to go to usb, chech ebay. there is a seller there that sells the replacement parts.

Here you go- Roland Corporation 16 Owner Manual

Contact Roland directly. in the USA it's- Support Roland