upunkt

Uploaded the Roland KR-4500 Service Notes to the wonderful and free Elektrotanya collection, since the russian site mentioned previously was blocked in my country (likely in other countries, too). https://elektrotanya.co...

I found out that in my case the D/A-unit fails. The mainboard gives me the left channel and suppresses the right one. Also listening carefully I hear that anti-aliasing is not working well. So I suppose it's the D/A. Unf...

Few questions... - Regarding the noise, is it more like static crackling or pure unmodulated white noise? - You write the volume's changing randomly, but could you identify some kind of scheme? - Is there any real D-50 s...

I wonder if you ever resolved your problem. I'm asking because I have an HP-330 here with the exact symptom. No sound on the right speaker, nor on the right headphone channel or the right Output on the rear. This applies...