Question about Sony CMT-CP505MD CD Shelf System

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How to repair CD Player not reading

I need help please CD Player lens is not reading how to cure this How to clean the lens I tried with TDK Lens cleaner CD

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Posted on Jan 02, 2017

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SOURCE: CMT-ED1 cd player works intermittently/partially

Greetings, I have owned this system since around 1999/2000, my CD function started to mal-function a year or so later. It would sometimes play, but more often than not, it would wobble and make strange clicking type noises. I gave up trying to figure the problem out because of the frustration, and didnt want to spring big bucks to take it in the shop to fix professionaly. However...only yesterday, based upon some advice I read online somewhere, I think I solved the problem and I will pass along what I did.
1 I first took some rubbing alcolhol and useing a model paint brush, I dipped the brush into the bottle and applyed it on the laser lense (do this spareingly, do not flood) this cleaned the lense of dust and grime)
2 It played a CD for the first time in 10 years. BUT...it started to do it's old tricks when I tryed to skip to the next song.
3 I noticed a small button on the right, front side on top of the unit. I think this button serves as a sort of safety stop. I then lifted up the glass lid, and held down the button with my finger. I noticed the lense of the laser go DOWN into the body of the unit. When I released the button, it came back UP.
4 I placed a CD into the player, placed the stabiliser on the top of the CD as normal, AND HELD THE BUTTON DOWN with my finger, LEAVEING THE GLASS TOP UP. It PLAYED. I recorded a Flatt

Posted on Oct 18, 2010

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SOURCE: fisher minute mount goes up and left and locks up

check your connections, especially the main power plug in, i have used a small "c" clamp over the connection to aid in the same problem

Posted on Nov 13, 2010

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SOURCE: My stereo won't even read the CD-player cleaner.

You need to unscrew the Sony MHC-GX450 CD Shelf System where the player is located and pull the whole DVD/Cd assembly.I suggest you have it done by professional technician since the laser lens is very sensitive.If its not reading the CD cleaner it only means that the laser is worn out and needs to be replaced.

Posted on Jan 25, 2011

jdvillanueva
  • 2098 Answers

SOURCE: I need to clean the stereo's laser lens. I don't

No disc error can be a DIY like the following steps.

Assuming that the disc is good.


1.Cleaning the lens. - Sometimes because of dust the lens can't read any disc.

Try clean the lens by soft cotton buds. Be careful while doing this.

Open the cover of your unit then you will see the optical lens right on the upper portion.

Component like yours is quite technical for assembly and dis-assembly so be careful.

2.Replacing 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.Checked 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.

Hint : 50% 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 you already cleaned the lens, and confirmed that the ribbon is good as well as the motor then I've advice you to send it to repair shop because the next step should be done with an expert because it is quite technical diagnosing the fault between the pick-up lens and the main board.

Thanks for using fixya.

Posted on Jan 25, 2011

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CD PLAYER LENS NOT READING


Dust on lens. I've fixed all my DVDs like this (apart from a couple that were truly broke). You need a little confidence for this, it involves getting into machine to get to lens. With the lid off, you need to switch machine on to get tray out, then unplug to prevent shock. With a cotton bud Q tips I think they're called, gently place cotton end onto lens rolling it couple of times. Gently !!!
Reassemble machine and plug back in. Try a disc, making sure the disc isn't a corrupted rewrite or a scratched disc or a greasy dirty disc or even a diffent region disc.

Apr 06, 2014 | Televison & Video

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How to repair CD Player not reading


I need help please CD Player lens is not reading how to cure this How to clean the lens I tried with TDK Lens cleaner CD

on Apr 06, 2014 | Sony CMT-CP505MD CD Shelf System

1 Answer

Sony boom box model# CFD-So1 serial# 2813391 The CD part says there is no disc in. I tried several DISC WITH NO LUCK. Please help


This error "disc error", "no disc present" or " can\'t read cd". This all error are related to lens problem. If the lens is dirty or if the lens is got cracked or if the lens is getting blocked then it can happen. The lens is very thin glass material. You can say the lens is the "eye" of the unit. If the eye is dirty then it will not see the object. The unit needs to be opened carefully and this lens has to be checked. If any dust is collected clean it. Using the cd lens cleaner helps, but if the dust is got stuck hard or if its any other internal part then the lens cleaner will not help. If the lens is got cracked then the lens assembly has to be replaced.
You can use dry tissue to clean the lens. once the unit is opened. ------------ ------------- In most of the cases, this problem is not related to cd.But still get the cd checked in any other player too, this will confirm the fault. Also try other various cds in the boombox cd player and confirm. But if the cds not playing in other player too then its faulty cd.But this is very rare. Most probably the fault is related to boom box cd player. In the boom box cd player unit there are two main parts. One is cd spinning motor and other is cd reading lens(its also called "EYE" of the cd player).But many times the cd spins internally and does not play. If you can hear the noise of cd spin inside then its lens problem and not the motor. But if there is no spin noise in the unit then both lens and motor are to be checked. The motor is not spinning because its short/blocked or its connections are got loose. It has to be checked. The lens is not reading the cd, because its got dirty or its got cracked and faulty. The boom box cd player lens is made up of thin glass and its very delicate. Many a times dust gets collected on the lens, so the lens stops reading the cd and it do not play. Some times there is no dirt on lens but it gets cracked, if by mistake any pressure is applied on the unit or up-side down cd is placed in the tray or internal short circuit has occurred. These are few possibilities of lens not working. But in most cases its dirty lens causing this problem. SO open the tray by pressing the eject button, then unplug the unit from main power outlet, by keeping the cd tray open. Then take air blower and blow air in the unit. Please remove, if there is any cd in the tray while blowing air. Just blow air for few minutes. Then take a dry tissue and clan the cd placing tray externally and then reconnect the power and see, if that is helping or not. If the problem is same as before, then disassemble the unit and clean the lens manually by hand using dry tissue paper and then see if its helping. But take care while cleaning the lens with dry tissue you doesn't apply too much pressure on lens or any other parts. Also before removing any screw to disassemble the unit. Take a marker with you ready. Just mark the position of parts and screws before removing. If you have a cell phone with web cam in it then take a photo of the internal parts before moving any parts. Disassembly is not very hard but reassembling is not easy. So this pictures and marks with help you for reassembly. ----------But if lens is cracked internally then the lens assembly has to be replaced. If motor wires are loose then you can easily get it re-soldered by soldering machine. You can get it replaced from local cd /dvd player repair center. They have these parts with them. --------------- This should help. Thanks. Helpmech.

Aug 06, 2011 | Sony Boom Box With CD Player & Cassette...

1 Answer

When a dvd is inserted, the message "no disc" appears, what is the cure?


Hello.The problem is not in your television.It is in the DVD player,your player did not read the cd because,either your cd or the lens player is dirty.Now,try to clean the cd first then insert,if the "no disc "appear again try to clean the lens of your player using lens cleaner.Then if the cd and the lens is clean it may play.Thanks

Jul 09, 2011 | Televison & Video

1 Answer

My DVD player has some problem


Hi,
Clean the dvd player lens using lens cleaning cd.
it the problem still remain then the lens become weak and you need to replace with new lens. in that case just consult any DVD player repair expert person.

Sep 01, 2009 | Computers & Internet

2 Answers

The problem is i cant play mp3 or DVD s in my philips dvd player when i insert sometimes it plays but sometimes it says LOAD but doesn't play.product code is philips dvd dvp3268


When the unit does not load any disk, that is usually because of a problem with the optical laser lens that is dirty, faulty or opaque, and will start operating on certain disks better than others.

In that case you will hear disk spinning, whirring and clicking, but the TOC (table of content track at start of CD/DVD will not be read, therefore the error.

Whe this problem is starting you may be able to read only CD, DVD or Blue ray, or for example only DVD-R and not +R , or only to read and not to write and so on. After more prolonged usage , often the unit goes losing the rest of functions, and ends up not reading anything at all.

If instead there is no noise, and disk does not spin at all , then there is a faulty motor, or the motor micro-switch is bad. This situation is far less common than the lens problem.

Try first using a CD/DVD or Blue ray lens cleaner disk to clean the lens. If that does not work you will need to disassemble the drive , and clean lens directly with q tips and isopropyl alcohol, or to replace the CD/DVD lens, or the whole drive unit.


Jul 21, 2009 | Philips DVD625 DVD Player

2 Answers

CD player does not recognize the cd's in the player


Hi, you will need to replace the optical lens assembly asap if possible. this is basically what the issue is at Thia's time. you can confirm my diagnosis by trying to clean the lens with a lens cleaning disc. if the cleaning dosen't restore the reading ability of the lens, you will need to replace the optical lens assembly when possible.

please rate and have a great memorial day:)

May 25, 2009 | Sony SCD-CE595 5-Disc CD Changer

1 Answer

TDK player reads CD disk but quits and does not play


your cd drive lens may be damage and lens preset will be not currect position so if you want to repair you cd drive then you have to turn your cd drive lens preset to currect position. 

Dec 22, 2008 | TDK (ai-4800drombx-b) CD-RW/DVD-ROM...

2 Answers

NO RECORD


This message usually indicates that a non-audio disc is in the record tray. Please use only blank music CD-R or CD-RW media. Refer to page 12 of the owners manual for more information regarding acceptable media type for the DA-3826. Also, the laser lens in your CD might be dirty or failing. Try the following solutions: Clean the laser lens with a CD player lense cleaning disc. Lense cleaning discs are available at many electronics retail store. Sorry i can't help you more.

Dec 07, 2005 | TDK DA-3826 2-Disc CD Recorder

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