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I have a Kool Sound CDS-220 twin cd DJ mix unit but the output volume is very low when put through the amp, even with all the volume dials turned up. The headphone port gives plenty sound and both cd players play as they should. The master output knob crackles slightly and sometimes trips the amp so it doesn't blow. The LED volume display reacts when this mater volume dial is turned then disappears when you stop turning it. Just bought this second hand but it maybe simple to fix?

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Posted on Jan 02, 2017

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SOURCE: intermitent audio

I had that happen before, one problem was my car had bad shocks or i hit a pothole in the road. The second time i had the volume up so loud the bass wass thumping the floor and it skips the CD. My question is, how lowd is the thign turned up? :P Some CD players load the data into a memory and then it plays from the memory till it needs more info. It maybe that the unit is not stable or the CD is not balanced right so it cant read the info at a consistant speed. The music maybe playing faster then it can read because of the vibrations. Is the disk clean? i know this may sound dumb but it is easy to over look. If the surface of the data side is so scratched up it may have problems reading the data quickly enough. Sometimes the coating can fall of the disk if you hold it in the light you can sometimes see spots threw the disk where the foil has been chipped off. The CD player could have a focus problem also, it could be damaged in shipping or have been dropped and it cant focus properly on the data. Do you have any other disks to try? a new one? one you never play?

Posted on Apr 04, 2006

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SOURCE: Sony DAV SA30 dvd player

Hi From the symptoms, you mentioned, ie playing CD's ok., Mpeg decoder chip is faulty. The new one supplied is a modified type. IC207, part no.6-707-406-01. Good luck. Capital98

Posted on Feb 14, 2007

  • 1 Answer

SOURCE: will not record

the classic cdr201 will not record it will go to wait and return to cd status(blank cd etc) there is no led display of sound during this operation you can hear the audio for brief couple of seconds before it goes back to cd mode

Posted on Jan 13, 2008

SOURCE: M&S Systems MC602 Master Unit and M&S MCD6 6-disc CD Player

Go to www.allelectronicsrepair.com , he repaired mine and it works fine now

Posted on Mar 20, 2008

  • 92 Answers

SOURCE: setting up new CD laser

Any new laser will not require any adjustment, most modern CD players do a self calibration on power up. There is a small dot of solder that must be removed somewhere on the circuit board. You'll see it's shaped like two half circles with a small gap between them which is bridged by solder. Remove this and you should be good to go! You should just be able to touch a soldering iron to it and drag it off. Or you can use a "solder ******" or de-soldering braid.

Posted on Oct 09, 2008

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- TWEAK AV LAB

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