Monitor not responding to volume control.....

[MikeH]

My left monitor isn't responding to the level control on the back of the unit-- I went to listen to some pieces today and noticed that the left monitor was MUCH hotter than the right. When I touched the trim knob on the back of the unit it corrected itself. Now this evening, it seems to just be stuck with the volume at max no matter what I do with the trim knob...

I have an M-audio firewire solo interface and independently powered Tascam VL-A5 monitors.

Any help would be greatly appreciated!

Michael

[HCMarkus]

Caig DeOxit or MCL, unless a wire is busted. Caig products are simply brilliant... they put an end to scratchy pots and faders in a jiffy.

[MikeH]

Thank you! I removed the back of the monitor and looked at the volume pot...I couldn't see a specific place to spray the stuff--the knob is a small black tube which then enters a small enclosed box that's attached to the board. So I put the back back on and turned it on and played some music...problem still there, but whenever I would gently press in on the knob the sound would return to the correct level that the knob is at..when I'd let up, it'd go back to full volume. Then I turned off the speaker and simultaneously turned the knob back and forth while gently pressing into it (for about 30 sec.). Turned it back on and everything seems fine, so I don't know whether to try and Deoxit tomorrow or not...sounds like all I needed to do was dislodge some stuff, but am a little worried that it might all of a sudden go back and volume surge on me in the middle of a session...

Thanks again!
Michael

[HCMarkus]

Pick up that DeOxit regardless... you'll be glad to have it on hand next time a fader or contact acts up on you. Actually, MCL is the preferred product for faders and pots, as it cleans and lubricates... it's KY Jelly for the Audio set.

[MikeH]

Ordered what you suggested! (Deoxit Faderlube). Problem was there this morning when I turned everything on--trim knob completely unresponsive. Ended up sitting for about 5 minutes with the monitors on but no signal/music going through them. When I checked again after 5 minutes the problem was gone and the trim knob was working perfectly. I'm a little confused on where to apply the faderlube when I get it...I'm guessing the contact is in the tiny enclosed box that the trim knob is connected to...do I just try and squirt the stuff in there? Maybe I'll take some pictures later and post them...

Thanks again!

[MikeH]

Okay, here are a few images. I'd like to know where exactly I need to apply the Deoxit once I get it.

Here's the outside--it's a really small knob:

http://img708.imageshack.us/img708/7448/1000143.jpg" onclick="window.open(this.href);return false;

The inside-- it's the small black tube that's connected with the small blue box right underneath the XLR/TRS input casing...the tiny black dot that's in the center of the blue box is also a part of the volume knob...it moves when I turn the knob. Any ideas on where I need to use the Deoxit?

http://img16.imageshack.us/img16/2711/1000153ba.jpg" onclick="window.open(this.href);return false;

[Radiogal]

FWIW: Deoxid spray (the one that does NOT leave any traces) can´t really harm your gear. Just spray into any contact/connection you see and spray the knobs where it´s attached and turn the knob back and forth for a while.