Rack Midi Controller Users? I Need Your Help.
- Thread starter Mosher Zone
- Start date
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4Horseman
Well-Known Member
Well, I don't see anything to clean as I expected. The arm on the pedal connects to a tiny pcb with an LED on it. On the main board there's an optical looking thing, perhaps that lexan piece? Im guessing as the LED changes distance from the optical piece, the voltage is varied. I'll upload pics later right now im searching the web to try and identity what this component is and if it is replaceable and how to test.
Mosher Zone
Well-Known Member
I looked at them, they just connect like you said but only my DHP-33 has that port & i can't see a way from the manual to send CC messages from that to the Legend II, i'm going to check it out later & see if it's possible.
Mosher Zone
Well-Known Member
That probably is the lexan piece cause they said it might have a scratch on it, weird that would just happen though, the fact yours is like that too it must be common.
4Horseman
Well-Known Member
If you read the link Blues_n_cues gave, some people say the arm can get out of alignment and/or the wires could break to the LED. One guy posted a pedal calibration procedure for a RP200, im not sure if it works for the control one or not.
Also, maybe you could just remove the bottom cover screws, real easy to do. This will allow you to watch the arm as you move the pedal, see if it looks bent or misaligned. It will also allow you to check for dirt or broken wires. I made the mistake of taking the pedal off first so I couldn't watch its alignment through the sweep.
Also, maybe you could just remove the bottom cover screws, real easy to do. This will allow you to watch the arm as you move the pedal, see if it looks bent or misaligned. It will also allow you to check for dirt or broken wires. I made the mistake of taking the pedal off first so I couldn't watch its alignment through the sweep.
Mosher Zone
Well-Known Member
You can calibrate it, it was the first thing i did. I'll have a look & get back to you bud.
4Horseman
Well-Known Member
Here's what it looks like. I'll probably blast it with compressed air, I don't won't to scratch it wiping it. I'll put it back together later and see how it goes, I've got to do some other things now. Good luck with yours, I'll get back with you later on this.
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Mosher Zone
Well-Known Member
I've had mine open, it was slightly out of line but the main issue was there is an led that is on when the pedal is down whether its supposed to be off at full I'm not sure but mine flickered on and off on the travel, I put this down to maybe a broken or badly connected wire cause when I wiggled it the light went out. Maybe fucked with it to much cause now is permanently off. 
Fortunately there is an external port on the footswitch that I've hooked up a volume pedal to tide me over for next Saturday's gig then ill get it sorted if its just a wire. 
Fortunately there is an external port on the footswitch that I've hooked up a volume pedal to tide me over for next Saturday's gig then ill get it sorted if its just a wire.
4Horseman
Well-Known Member
Sounds like you found the trouble area and might not need any parts.I've had mine open, it was slightly out of line but the main issue was there is an led that is on when the pedal is down whether its supposed to be off at full I'm not sure but mine flickered on and off on the travel, I put this down to maybe a broken or badly connected wire cause when I wiggled it the light went out. Maybe fucked with it to much cause now is permanently off.
Mosher Zone
Well-Known Member
Yeah, have a look at yours but I say it's the wire.Sounds like you found the trouble area and might not need any parts.
Mosher Zone
Well-Known Member
I wish bud. Lol
Mosher Zone
Well-Known Member
Decided to cut my losses & pick up another controller, won this on ebay last night. 
The Control One's switching side still works OK so i now have a backup also using the Midi Mate means i'm not tied to the Legend II unit for future purchases.
The Control One's switching side still works OK so i now have a backup also using the Midi Mate means i'm not tied to the Legend II unit for future purchases.
