I guess, this happens with every CD/DVD player - and the root reason is fine grain sticky dust on the lens + backlash of laser driver motor.
Please take this as a general guideline:
If possible, open the DVD player - not all DVD players are designed to have quick access to lens - however you can try.
Get a micro-fibre lens cleaning cloth - do not use any fluid - be very very gentle, while wiping the lens - and I am quite sure you will see dirts in the microfibre cloth.
I did so for 2 of my DVD players, one was bit expensive one from ONKYO - even with visual inspection, the lens looks shining and no dirt, when I rubbed [very gentle rubbing] with micro-fibre cloth [I got from Pro Camera/Photography shop - as lens cleaner] - I got good results.
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Might need a tune from bose repair man, Burnt dvds sometimes has problem but wipe normally fixes it. But cds i have't had problem burnt or orginal, scraches dont usally worry to much, Thats why thinking repair man.
Hope this helps:)
Cd normally hot from unit if its in for a while.
No Disk issues on device players like DVDs are caused by the following problems
Dirty Play Heads (Optical lens)
Bad CDs or scratched CDs on the surface
Non Compatible CD formats such as DVDs that are designed for some geographical regions and play formats
Also low electrical current is a major problem too
Your issue could reside amongst any of these problems
Check your DVD compactible play formats if its compactible with the CD you want to play.
If its compactible, then I suggest you get a CD Cleaner to clean to clean to Lens.
Also check your current output and if low, get a voltage stabilizer
Check the surface of the CD if its scratched and get a replacement.
The DVD lens is worning out and the day is not far when it will not play any DVDs but will play audio CDs etc...and then not also that. The typical life of a lens is not more than 2 years...So the only solution is the replace the lens in the system
In response to your jvc-a75r DVD player, sometimes the solution might be less complex than it may appear. Had the same problem with my Samsung s321,the machine refused to read DVD's but would play CD's no problem. Simply opened up the cover(usually)4-6 small screws, and found my dog's hair inside of the player covering the laser eye.Electrostatic ionization
attracts dust,etc. into the player remarkably well sometimes. Carefully used a cotton swap to remove debri. PLayerworked fine afterwards
If you are playing STANDARD CD or regular DVD that you have purchase and you are having this problem,your dvd player is malfunction;however,if you are playing DVD burner disc or a different dvd region disc(we are region 1 in U.S.) that is no going to work.Same thing for your CD burner disc,it might not work. If you are using a rental dvd disc,check and see if there is scratches?If so,try to get one without that many scratches! Joe
i had this problem for copied dvds and cds and badley scratched ones when renting. never had the problem with genuine products. it seems to be able to dectect snide dvds but my 20 quid jobby in the bedroom will play them all !!!!!!