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Stereo Reciever model CA-D4T:cd changer won't "read cd" and sometimes says "no disc" when thereis one in there! Sometimes out of the blue it will work but mostly not! Any help would be appreciated ....I like this stereo that I got in 1995-96

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  • graciethecat Jul 30, 2008

    any help here?? It will work once every blue moon but mostly NOT!

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This is an indication that either the lens is dirty or that the optics are failing. Try opening up the unit and cleaning the lens using a cotton swab and alcohol. If that does not resolve the problem, the optics will need to be replaced.

Dan

Posted on Jul 30, 2008

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Philips mcm9 system won't read any cds. It says "reading" but nothing else happens and even says that when there is no cd in slot, radio & tape are both working and cd player was working...


In most cases when the CD does not play it is possible that the optical head is a suspect. Sometimes it might pick up ordinary audio CD but will not play other formats. This indicates that the optical head is weak and so there is no detection or scanning of the CD . If the optical is working the tracks will be read immediately but with no scanning the laser head can be defective.

If the no disc comes even without a disc in the player you must check and see if there is a mechanical fault specially in the loading section that seems to trigger the CD mode to work.

Also check to see the main motor as it will not work in some cases as unless the tracks are read the drive motor will not work with signal from the processor. Also in some cases the central motor base can shift and so the distance to the disc can be more resulting in low detection. You can pull up the spindle to come closer.
Sometimes certain cleaner disks will not be tracked to run for cleaning as it will not be read and so will reject. Hence it is ideal to manually clean the laser head eye using a cleaning swap /cotton bud with gentle pressure on the lens eye.
If there is no result then watch if the CD spins or tries to spin. If so the board seems to work unless a test is taken on the main board but the possibility of a defective optical head can be the suspected fault.
If any of the above seems otherwise we must recheck with possibilities of a malfunction of the main processor board

Jul 29, 2011 | Audio & Video Receivers

1 Answer

My Denon Audio precision am fm DRa 435R Reciever will not stay on station very long. After about 30 or sometimes 45 minutes it get off station. I have it set to a local FM Station, 97.9 and it plays good...


OK,this is a fairly common problem with digital tuners, I get them from time to time in my shop, you see, what is happening is the voltage that's used to tune the set, usual;y stays rock solid, your device however is drifting off station due to this voltage changing, usually it is in the powers supply or the actual tuner itself. It can be bad capacitors, bad IC's, bad transistors, bad tuner module. Sometimes it maybe a "Dry Joint" too.
The only fix is either a replacement PSU or Tuner or indeed maybe both? One simply cannot tell exactly without examining the unit.

You need to take this unit into a Denon repair center and ask for a "Quote" as to costings etc. Once appraised of that one can proceed from there?
Contact a Denon head or local office and ask them there, for a referral to an authorised service center.

Jul 18, 2011 | Audio & Video Receivers

1 Answer

I have a Pioneer LCV-300 Laser Karaoke player; but without the "receiver" or "commander" unit. Is this unit necessary for the disc changer portion to operate or power on?


I may have a CD-V300 commander Auto changer if you can supply me with an owners manual for a LC-V300 laser changer. I also have an auto changer CD-V2000 if you can use it. If you can please contact me. Thanks.
roga@rochester.rr.com

Dec 29, 2010 | Pioneer Audio & Video Receivers

1 Answer

See add details


Since the receiver eventually works, the delay circuit is failing. This is a circuit that allows the power supply to settle down before kicking in the output relay. This prevents the "pop" that was sometimes heard on older units. This should be a simple and inexpensive repair probably requiring the replacement of a couple of small capacitors in that delay/protection circuit.

Dan

Mar 09, 2009 | Sony STR-DE935

2 Answers

We have the RCA RS2767i Home Stereo with 5-disc changer and ipod dock. The CD Tray won't eject or shuffle...everything else works fine. It seems the disc tray isn't responding to anything. We read in the...


Let me respond with a possible solution although I'd bet that both of you already tried these.

The reason I checked into this is because I'm looking for a new mini system. I happen to be at Target and they only had 2 models - this one and a SONY. I certainly didn't want to buy the RCA given these problems, so I asked the salesperson, who seemed to have some knowlege.

As far as opening the tray on top, there is a button to push right under the tray. The button has an icon of a triangle on it. This seems to be somewhat of a standard icon for opening the tray or ejecting a CD (my car's CD has the same icon for ejecting a CD).

As far as only being able to get 3 CD's out, there is another button under the tray marked "disc skip". This rotates the tray. When you open the tray, you can only get to 3 of the CD's. When you push disk skip, it rotates the tray one position, so you can get the 4th one out. Another push and now you can get the 5th one.

Sometimes my CD changer doesn't shuffle the disks. If I only have 1 CD or DVD in it and push the tray open button, the disk stays in the unit and the tray revolves to an intermediate position. I push the button to put the tray back and try disc skip; that usually works.

If your problems are not solved per above, then I definitely do NOT want to get this.

Fred

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1 Answer

I have a duradrand disc changer and for some reason it is just spining and not reading the disc but sometimes it will read 2 or 3 of the disc but then during a song on one or the disc itll just stop


hello your receiver is dirty thats why it take so much time reading you need to buy the cleaning kit and check if you solve it,..................saludos

Nov 23, 2008 | Audio & Video Receivers

1 Answer

My JVC stereo receiver :CA-D4T has 3 cd changers and they don't seem to work most of the time


This is an indication that either the lens is dirty or that the optics are failing. Try opening up the unit and cleaning the lens using a cotton swab and alcohol. If that does not resolve the problem, the optics will need to be replaced.

Dan

Jul 30, 2008 | Audio & Video Receivers

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