Question about Sony MHC-GX250 CD Shelf System

3 Answers

Odd scratching or grinding noise

I have a sony MHC-GX250 that was skipping on songs, so i opened it to clean the laser heaad. When i put it back together, everything went well. I tried to play a cd, and it jsut keeps on reading it over and over, and makes scarthing or grinding noises. I opened the case again to see what was causing it, and it looks like there is a white plastic piece that attaches to a black part that holds the cd from above and spins with it. When it tries to spin up, that white and black piece start spinning wildly, and move the disc out of alignment. It seems i didn't put that little white piece and the black piece on correctly. if I was clear, this is all taking place about 2 inches above the laser(I.E. on the CD part of the system). We contacted sony, and they want more to repair it then what we paid. I need this CD player to be working by monday, tuesday at the latest. It is used for our school's choir practice. I have not had any other problems with it at all. If anyone wants a picture of it, I'll try and put one up on my site for everyone to see.

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  • 16 more comments 
  • Kevin Croissant Oct 04, 2008

    Again, This needs to be working by tuesday at the latest!

  • Kevin Croissant Oct 17, 2008

    It happens regardless of any cd or dvd.

  • Kevin Croissant Oct 17, 2008

    It happens with any cd or dvd. The problems with loagin the cd i think.

  • Kevin Croissant Oct 17, 2008

    I meant to say the problem looks like its with loading a cd.

  • Kevin Croissant Oct 17, 2008

    I have everything open and i am staring into the laser hear assembaly(with it off, of course.). How do i disengage that little black cover that goes over the laser? Also, there is a big black piece of plastic sticking out right over it. Any ways to get around it?
    @coolguy: I think that may be the problem, i just need to get access to the laser head.

  • Kevin Croissant Oct 17, 2008

    Also, that picture you posted, is it of this particular cd player?

  • Kevin Croissant Oct 18, 2008

    There is a tiny momentary switch that looks like it slides the cover on and off when the try opens and closes. i would try that, but i don't exactly want a red laser pointing into my eyeball and blinding me.

  • Kevin Croissant Oct 18, 2008

    I couldn't figure out how to get to the laser head.

  • Kevin Croissant Oct 18, 2008

    I am going to take a video and a few pictures of what is happening, and I'll put out a link to show you. I am extremely reluctant to go and have this repaired, since I am positive that its a simple mistake somewhere.

  • Kevin Croissant Oct 18, 2008

    I'll tell you for sure that there are no magnets in the cd assembly except in the motors. I am uploading the photos now, i'll do a video later

  • Kevin Croissant Oct 18, 2008

    Hmmm....Now I see what you part you are refferring to, but I think i have a bigger problem!!! I don't see a magnet anywhere on my cd player. Is the magnet part of the black piece or the white piece?

  • Kevin Croissant Oct 18, 2008

    Uploading picture as we speak.

  • Kevin Croissant Oct 18, 2008

    ok. SOrry it took so long. My website's DNS was having a few issues. Heres a link to the pictures. sorry they aren't very good quality.

    kevincroissant.com/fixyaimages

  • Kevin Croissant Oct 18, 2008

    i never got a reply and i am still confused!!!!

  • Kevin Croissant Oct 18, 2008

    i never got a reply and i am still confused!!!!

  • Kevin Croissant Oct 18, 2008

    Descirbe the magnet a bit more. is it like a rod? There was never a magnet there, or one now.

  • Kevin Croissant Oct 18, 2008

    huh? I never rated you yet. I didn't see where to do it this time.

  • Kevin Croissant Oct 18, 2008

    Found the exact poblem! a magnet that held everything together had fallen out and was making everything spin out control!

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  • 899 Answers

That white piece sounds like the magnet that goes above the black little disk that holds the cd in place by the magnet wanting to connect to the top of the cd holder and motor (the magnet presses the disk on the holder to prevent slipping )
need anymore help?

Posted on Oct 18, 2008

  • 8 more comments 
  • jason Oct 18, 2008

    this is the piece that has a magnet in it

  • jason Oct 18, 2008

    sometimes the magnet just sets on top of this piece

  • jason Oct 18, 2008

    sometimes the magnet is glued on top

  • jason Oct 18, 2008

    can you upload a picture of the white piece?

  • jason Oct 18, 2008

    ok sorry I had to get something to eat



    that piece goes on the top part that holds the cd , and there should be a little round piece of metal ( the magnet ) that fits in the center of that piece then that white piece goes thru the top and the black disk connects to it , just like my pic except your white plastic piece is on top

  • jason Oct 18, 2008

    why did you rate me like that if you want my help?

  • jason Oct 18, 2008

    well do you still want my help? you have to change it to helpful otherwise thats like saying "thanks anyway but you want other help" so I can't help you till you change it



    I work on these all the time and I wiill stick with you untill you want to quit or its fixed

  • jason Oct 18, 2008

    well if I help you fix it , then you can't rate it as fixed either

    ask me from my profile then I can help again

  • jason Oct 18, 2008

    examples

  • jason Oct 18, 2008

    the magnet in these pieces prevents it from jumping and slipping

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  • Master
  • 3,422 Answers

HI,

Squealing noises may indicate that the player is trying to synchronize with the disc but can't due to an obstruction on the lens or in the laser path inside the pickup or a defect in the pickup. This can also be caused by an intermittent signal problem due to a faulty ribbon cable.
clean the optics. This is the most common malfunction as far as i know in all disc players. It would involve taking the cover off and finding a way to expose the lense, and then cleaning it with a very gentle brush. some players have a cover for the lense that swings to the side during playing, this greatly reduces the chance of dust accumulating, but its still worth the try.Also check on the small shafting that guides the carriage of the laser pickup. Dirt, grome, dust and solidified lubricant can cause stoppage of the carriage and the laser eye then fails to read the next track.

These are the only possible home remedies if you still face the problem then you will have to get it repaired.

Odd scratching or grinding noise - 1001182.jpg

Posted on Oct 17, 2008

  • Priya darshan Oct 18, 2008

    The best solution is to get this repaired.

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  • Master
  • 1,847 Answers

Is that happening playing specific cd or dvd ... or happen with all of them.

did you try cleaning the lens using the lens cleaner.

Posted on Oct 17, 2008

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