Roland CM-64 issue \ VOGONS

Roland CM-64 issue

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First post, by yukin

Posted on 2021-10-08, 04:13

yukin Offline

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Rank: Newbie
Posts: 3
Joined: 2014-04-24, 20:09

Hello,

I am having recently issue with my Roland CM-64. when i first got it, it was working properly and sound was clear.

But now when i open it, even without anything playing on it, it does have a loud noise and not sure where to look at for this kind of issue.

I have a video i uploaded here: https://www.youtube.com/watch?v=_X1qs3KFKU8

When i play a game, i can hear the music but it is very silent and if i turn the volume knob up, i still cannot hear the music clearly because of the noise been louder.

Thanks

Reply 1 of 3, by SuperDeadite

Posted on 2021-10-08, 13:11

SuperDeadite Offline

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Rank: Member
Posts: 425
Joined: 2017-06-09, 10:46

First thought is that the volume knob tends to go bad over time. I have seen 2 different 64s over the years with bad knobs. If you wiggle the knob vertically and find a "sweet spot" that fixes the issue, it's the knob.

CM-64, CM-500, SC-55MkII, SC-88 Pro, SY22, TG100, MU2000EX, PLG100-SG, PLG150-DR, PLG150-AN, SG01k, NS5R, GZ-50M, SN-U110-07, SN-U110-10, Pocket Studio 5, DreamBlaster S2, X2, McFly, E-Wave, QWave, CrystalBlaster C2, Yucatan FX, BeepBlaster, SuperOctet!

Reply 2 of 3, by schlang

Posted on 2025-04-02, 00:02

schlang Offline

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Rank: Oldbie
Posts: 648
Joined: 2009-01-05, 04:57
Location: Medellín, Colombia

I have the same problem with my CM-64 that the volume is very very low and it get's a little bit better when I wiggle the knob but I can't "fix" it. Any suggestions?

Think you know your games music? Show us: viewtopic.php?f=5&t=37532

Reply 3 of 3, by Cbb

Posted on 2025-04-02, 09:06

Cbb Offline

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Rank: Newbie
Posts: 76
Joined: 2017-08-09, 13:07
Location: Saint Petersburg

disassembling the unit and resoldering broken solder joints seems the way to fix the issue. also clean the knob internals with isopropanol (just without dissasembly the knob itself) and lube it with machine oil

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