Question about Apple iPod MA446LL/A MP3 Player

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I have a PSP and I am having problems with all of my UMD games. The PSP states that it cannot read the disc. I tried cleaning the lens with a q-tip, but that did not work. Any solutions?

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Well, it looks like u might hav to take it to a proffesiional, ur laser might be broken, or else, u might hav to get it downgraded

Posted on Jan 31, 2009

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Won't play, just keeps skipping discs


Good morning Lori.

My troubleshooting thoughts run something like this:
  1. It sounds like it's skipping on every CD.
  2. This is (according to the manual Denon DCM 390 Operating Instructions Manual Troubleshooting a cauousel-type system, so it has a tray that you manually place CDs into, rather than a cassette that you put all the CDs into and then insert into the player.
  3. Most of the manual Troubleshooting section puts the blame for discs not playing upon dirty or damaged discs - you're told to re-load it, clean the disc, try another disc.
  4. If this is just one set of discs, then it's worth it to pull out at least a couple and try other discs that are clean, don't have scratches, and, hopefully, that you know work on another player. If they work, then, kudos to the manual, the discs may need cleaning or replacement.
  5. If you're playing home-burned CDs, you may need to finalize them for play. Computer CD burners can often give you a lot more leeway in what they're willing to play, since there is a much more sophisticated bunch of code running the burner that will have some expectation that in-process discs might end up there.
  6. Last, but, IMO, most likely - steady skipping on every CD can mean that the CD laser lens is dirty. Over time, dust on CDs or from the air drawn through the chassis can build up on the lens, which has a fairly small gap from lens to Disc surface. In something like a DiscMan or other portable CD player, the lens is usually pretty obvious and can be blown off with some canned air or brushed with a micro-fiber camera lens cleaning brush. In this case, it's what I suspect is the problem. Depending on what gear you might have, or how much you'd want to spend on it, what I'd suggest to try fixing this possibility would be :
    1. Use a commercial CD Lens cleaner. They'll likely run 6 to 10 dollars. A list here Amazon com cd lens cleaner Electronics has lots of possibilities. You'll want one of the ones that looks like a CD with a small brush attached to the bottom, possibly some fluid. You'll put it in the player, hit play, it'll at least attempt to play for like 5 to 30 seconds, and end. The brush will be spun past the lens multiple times, removing dust / gunk buildup.
    2. Use canned air. I'm talking commercial stuff expressly meant for cleaning computers and other gear that will suffer from a blast of oil-laden air from a garage air-tool compressor. Examples here Amazon com canned air Electronics
    3. Open the system up. I can't give too much guidance other than I did it years ago on my system - make sure it's unplugged before starting. Remove screws attaching black cover to chassis, and you may be able to get in with a brush to clean the lens. Don't go this direction unless you're confident of your DIY skills.
    4. In any case, try to stick with dry cleaning methods like the cleaner disc or canned air. If you do anything with direct contact, stick to clean microfiber cloth or brushes, and be gentle - no scrubbing motions. It's a tiny lens, and a scratch or mis-alignment from forceful handling will be the end of it. If a liquid must be involved and isn't part of a commercial kit, nothing but distilled water. Many, if not most, of the CD lenses are molded plastic, and glass cleaners, likely as not, will attack the lens surface and roughen or fog it.
  7. Last note - the reviews on Amazon for this unit are not kind. It sounds like the skipping and failure to play is not uncommon with this particular Denon model. If the unit is still under warranty, I'd grab the opportunity to have someone fix it for real and deal with any faulty mechanisms. If not, you have little to lose with the above, but the reviews suggest that replacing with the same model might not be the best idea.
Good Luck, and Happy Holidays

D

Dec 09, 2015 | Denon Home Audio Dcm-290p 5-disc Auto Cd...

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I have a philip AZ2045 CD Player , but lately it can't detect the cd. Everytime I tried to play a CD it always written NO CD or CD EROR... Can anyone help me ,please ??


Try using a DVD / CD disc cleaner. There is a lens on the driv which detects if a disc is inserted and to read the info on the disc. If its dirty, it wont read properly.

Sep 17, 2015 | Audio Players & Recorders

1 Answer

Why does my philips portable dvd player not work


It is attempting to read the disc. Try another KNOWN GOOD disc. If you get the same error, try cleaning the lens using a lens cleaner disc or a dry q-tip. If no go, sorry, she's a gonner :(

Jul 20, 2014 | Philips PD7012 7" Widescreen Portable DVD...

1 Answer

Don't reconize dics reads no dics


Hi sjkhofer,
If you have necessary tools and test instruments, know safety precaution in basic troubleshooting try the steps below to solve your problem.
Assuming that the disc is good.
1.Clean the lens. - Sometimes because of dust and any fine foreign objects the lens can't read any disc. If you have a CD/DVD Lens cleaner, play it to the unit. If this is not available you may manually clean the optical lens. Open the cover and gently clean the eye of the lens by smooth,clean,soft cotton buds. Be careful while doing this, just a gentle stroke only.
2.Check the ribbon - Check the ribbon connected to the lens from the main board for scratch, damage. Once it has an open line then of course the lens can't read the disc. Also try to erase the contact by pencil eraser. If you've done the steps above and the symptoms still there then the next step requires you a little knowledge in soldering technique and reading the ohmmeter.
3.Check the motor - Check the motor that spin the disc with an ohmmeter. You can test it using the ohmmeter (x1) even it is connected on the lens assembly.Good motor - reading should be fairly high and it will spin. Bad motor- reading will drop to low resistance and will not spin.

Click this link for more info.


LINK1

LINK2


Hint : Most of my repaired unit the above parts are commonly caused of the problem.
If you confirmed that you have a defective motor then replace it with a new one. Before replacing the new motor you have to check the clearance of the disc holder with the old one. The clearance should be the same as the old because if not the lens will not read the disc if it is too far or too close.
If the above steps didn't cure the problem, high chance that your optical lens was faulty.

If you can't do the job yourself, I would advice you to look for a professional to troubleshoot the symptom.

Also, check if your unit is under warranty period, avail it because the manufacturer will fix it for free. Don't attempt to open the cover(it will void the warranty).


Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Jul 24, 2011 | Audio Players & Recorders

1 Answer

Our Technics compact disc player SLPG 40 is not recognising a compact disc, it is saying "no disc" I don't know how to fix this. Any info would be appreciated, as the SLPG 40 has barely been...


Hi jociecohen,
This symptoms was commonly caused of dirty optical lens that's why it can't recognized the discs even it was already loaded. Dust build-up on the top of the lens and any fine foreign objects will block the eye from reading. You may play a CD lens cleaner to clean the lens from dirt and any statics. If not available manual cleaning will be an option. You have to open the cover of the unit and then clean the optical lens eye by soft,smooth cotton buds.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

May 01, 2011 | Audio Players & Recorders

1 Answer

Panasonic dvd player does not read cd and dvd.


Hi,

There are numerous possibilities as to what may be causing this. It may be that the laser pick up inside the unit has failed or is misaligned and cannot read the disks or there is some other component failure inside the unit itself. Without seeing the unit on a bench for diagnosis it is impossible to say.

However there are two main things you can try yourself that may resolve the issue.

1) Unplug the unit completely from the mains supply. Leave the power disconnected for at least 5 minutes. Power up again and check to see if the disk is recognised.

2) If this fails the next thing to do is clean the laser lens. Often the cause of this behaviour is that the lens has become opaque with a grimy residue or dust particles are impeding the laser.

The most effective way to resolve this is to open the unit and gently clean the lens with a Q-Tip and some isopropyl alcohol.

The other option which is easier to do but may not be as effective as the Q-Tip method is to use a laser cleaning disk such as this one.

Simply insert the disk as you would any CD or DVD and it performs a cleansing action to the laser lens.

Hope this helps. Thanks for using FixYa.

Apr 26, 2011 | Audio Players & Recorders

1 Answer

My music system will mot play CDs


Hi, Although CDs are still the preferred method of audio distribution, CD players are quickly being phased out in lieu of MP3 players. If your old CD player stops working, it might be a little panic-inducing, but fear not. If the CD player turns on but does not play CDs, then the problem is not with the power cord or the circuity (which are generally more expensive to repair rather than fix) but with the lens. There are several troubleshooting steps that you can take to fix a CD player when it won't play.



Instructions

Things You'll Need:

* Glass/lens cleaner
* CD cleaning disk
* Dry duster



Remove excess dust from the CD player. Dust is the number one enemy of electronics, and it can corrode even the most resilient device. Make sure to dust in between buttons, knobs, power cord(s) and audio-out ports. Note: use a dry duster, as moisture will harm your CD player further.


Use a disk-based lens cleaner to remove ground in dust or dirt from the CD player's lens. These lens cleaners look like a regular CDs, but have specially-made bushes on the reverse side that gently remove excess dirt from the CD-reading lens. Simply put the CD in your player, and press the "Play" button to clean the lens. Do not run the cleaner more than once, as excess brushing can cause scratches on the lens.


Polish the lens. Use a glass or eyeglass cleaning solution and a lint-free cloth to gently polish the reading lens. Clean it by using a low amount of pressure and softly polishing the lens and its surrounding area using soft, circular motions. Do this for about a minute or two and then allow the player to sit for a few minutes before trying to play a CD.


Tips & Warnings

If the CD player does not turn on or off, or the power indicator flashes infrequently, the problem is with the power cord or the circuit board, in which case the CD player will not be able to be repaired.


If the CD player still does not work after these steps, the lens has probably been scratched, and the CD player will need to be replaced.

Mar 01, 2011 | Philips Audio Players & Recorders

1 Answer

My Insignia CD player says there's no disc when there is.


Try a lens cleaner. Also, ensure that your disks are clean. If you're playing CD-Rs, make sure that the disks have been finalized properly. If the problem persists, you may carry the unit in to the place of purchase to pursue service options.

Mar 16, 2010 | Insignia NS-DV2G MP3 Player

1 Answer

NO disc error


Usually cleaning either the disc or the lens with any type of "thinner" other than dilute alcohol will destroy the disc or the lens - they are usually made out of a type of plastic which is very sensitive to chemicals - I would suggest you need a new lens assembly which is probably going to cost as much as a replacement player. If you haven't cleaned the lens yet then you can very gently clean it with a cotton bud that has been dipped in gin and left to nearly dry out. Hope this helps, sorry if it is bad news, always only clean discs with a soft dry cloth or dilute alcohol such as gin or small amount of soapy water (clean from the centre to the outside, not round and round) if there are serious scratches on a disc then metal polish such as brasso can polish them out, although there is no guarantee - try the worst scratch first and see if the disc works before doing the whole disc. If the player doesnt work with a clean new scratch free disc of the correct type, burned in the correct format for the player, then no amount of disc cleaning will help. Make sure the disc is finalised after burning, as many players require this. Hope this helps - if you can post back a couple of photographs of the player we can maybe identify the model for you :)

Apr 20, 2007 | SoniqCast Aireo MP3 Player

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