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Mv600 will not focus - DVD & Blu-Ray Players

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Not dvd player canon mv600 camcorder problem not solved.

Posted on Sep 01, 2008

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When loading time occurs it does not read the cd


They say these things are sent to try us and a dvd that will npt play a disc certainly dose that, but if we can understand the nature of the beast we can get the better of it. The first thing after loading is for the dvd to recognise the disc and it dose this by first finding focus. It dose this several times before giving up. If it finds focus it will then rotate the disc and read the TOC (table of contents). It would seem that your dvd cannot find focus. Most likley cause is a dirty laser lens. Cleaning the lens with a cotton bud will in
most cases effect a cure. If not a low emission laser may be the culprit. When cleaning the optic lens take extreem care the lens mountings are easily damaged. If lens cleaning dose not solve your problems it would be wise to seek advice from your local service technician.

Mar 04, 2010 | JVC XV-N352S Player

1 Answer

Not reading, seems to be laser pick-up problem have tried cleaning it sometimes plays for about 1 hour before getting stuck, and after that the laser wont focus


Sounds like the motors that control the angle and focus of the laser are going bad. Either find out what kind of replacement laser assembly would be needed and order it online, or get a new DVD player.

Oct 29, 2009 | Yamaha DVD-S520 DVD Player

1 Answer

Dvd plays sometimes


If this unit had worked in the past and has started acting up without being droped, jarred, banged, or slammed around, then it may very well be as easy as dirty optics. Get a lens cleaner kit or a Q-tip with a little glass cleaner and clean off the lens of the optical transport.

If this does not work:

You will need to see what the optical transport is doing. The door needs to be opened and the switch that tells the player the door is closed needs to be tripped (usually with a paper-clip or small tool). Watch the optical transport to make sure it moves back and forth, up and down BUT DO NOT LOOK INTO THE LENS DIRECTLY as this can cause retinal damage. If it does all these things, then the motors are working properly and the issue is either in the optical alignment or the decoder chip.

If it's the optical alignment, you might be able to open the player and start changing the height of the drive placement so the laser focuses more accurately on the disc. This will require a disc with an opaque or printed side to stay in the drive while you calibrate. You can then safely look at the disc and see the red dot of the laser to determine the size of the dot. The smaller the size, the more in focus the laser is. This calibration must be done for the entire length of the oprical transport track. there are two screws that change this on either end and both muse be checked and calibrated. The optical transport has some focus adjustment capability (hence the up and down motion of the optics), but if the transport is beyond the limited capabilities of the auto focus, it needs to be brought back to correct.

May 12, 2008 | DVD & Blu-Ray Players

1 Answer

Help for my dvd


If this unit had worked in the past and has started acting up without being droped, jarred, banged, or slammed around, then it may very well be as easy as dirty optics. Get a lens cleaner kit or a Q-tip with a little glass cleaner and clean off the lens of the optical transport.

If this does not work:

You will need to see what the optical transport is doing. The door needs to be opened and the switch that tells the player the door is closed needs to be tripped (usually with a paper-clip or small tool). Watch the optical transport to make sure it moves back and forth, up and down BUT DO NOT LOOK INTO THE LENS DIRECTLY as this can cause retinal damage. If it does all these things, then the motors are working properly and the issue is eother in the optical alignment or the decoder chip.

If it's the optical alignment, you might be able to open the player and start changing the height of the drive placement so the laser focuses more accurately on the disc. This will require a disc with an opaque or printed side to stay in the drive while you calibrate. You can then safely look at the disc and see the red dot of the laser to determine the size of the dot. The smaller the size, the more in focus the laser is. This calibration must be done for the entire length of the oprical transport track. there are two screws that change this on either end and both muse be checked and calibrated. The optical transport has some focus adjustment capability (hence the up and down motion of the optics), but if the transport is beyond the limited capabilities of the auto focus, it needs to be brought back to correct.

If it's th decode chip, best look into a new player. You won't be able to fix that.

Apr 20, 2008 | Insignia IS-PDVD10 Portable DVD Player

1 Answer

Freezing video


Different discs are read with different focus ranges. Production pressed DVDs are different in thickness that recordable DVDs and CDs are also different than the afore mentioned items. Your optical transport could be out of alignment, but check to see if CDs will play first. If CDs and Production DVDs will play, it is possible that you have a dirty lens or there is something interfering with the laser (i.e. dirt).

Here are a couple of solutions:

If this unit had worked in the past and has started acting up without being droped, jarred, banged, or slammed around, then it may very well be as easy as dirty optics. Get a lens cleaner kit or a Q-tip with a little glass cleaner and clean off the lens of the optical transport.

If this does not work:

You will need to see what the optical transport is doing. The door needs to be opened and the switch that tells the player the door is closed needs to be tripped (usually with a paper-clip or small tool). Watch the optical transport to make sure it moves back and forth, up and down BUT DO NOT LOOK INTO THE LENS DIRECTLY as this can cause retinal damage. If it does all these things, then the motors are working properly and the issue is either in the optical alignment or the decoder chip.

If it's the optical alignment, you might be able to open the player and start changing the height of the drive placement so the laser focuses more accurately on the disc. This will require a disc with an opaque or printed side to stay in the drive while you calibrate. You can then safely look at the disc and see the red dot of the laser to determine the size of the dot. The smaller the size, the more in focus the laser is. This calibration must be done for the entire length of the oprical transport track. there are two screws that change this on either end and both muse be checked and calibrated. The optical transport has some focus adjustment capability (hence the up and down motion of the optics), but if the transport is beyond the limited capabilities of the auto focus, it needs to be brought back to correct.

Mar 28, 2008 | Insignia IS-PDVD10 Portable DVD Player

1 Answer

Long movies get longer


either the disc is warped or the laser can no longer focus at the outer edge (weak laser)

Jan 08, 2008 | DVD & Blu-Ray Players

2 Answers

No disc


Maybe you have dirty lens! clean the lens with 100% cotton then slightly rub the lens at clockwise movement! or you have defective flex ribbon wire or laser eye!

Sep 28, 2007 | Philips Magnavox MDV453 DVD Player

2 Answers

Won't read the disk.


If a disc wont spin or start to spin is an indication that the lens is not focusing on the serface of the disc. Try cleaning the lens with a lens cleaning disc. If that does not work, clean the lens manually with a damped cotten swab with alcohol and see if that helps. If it does not, it needs an alighnment of the tracking / focus offsets or gains and your going to need special equipment to do that alighnment. it most likly will not be worth the expense. Good Luck Please dont forget to rate this thread.

Oct 30, 2006 | Sony DVP-NS300 DVD Player

1 Answer

Disc loads but player displays No Disc message


If you cleanred the optics and this didnt help then you did all you can do without more test equipment. Your player might need an focus or tracking offset alighnment or a focus or tracking gain alighnment or the unit could have a defective laser. Only by connecting it up to test equipment will a tech be able to tell.

Aug 24, 2006 | JVC XV-FA900BK DVD Player

1 Answer

How can i fix my portable dvd player?


that noise sounds like the focus is trying to see the disc as it has to focus to see or register there's a disc. Maybe the turntable slipped down a little or there's dirt or film on the lens. Good luck

Apr 26, 2006 | Durabrand 8.5'' Portable DVD Player

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