Question about TruTech PVS12701 Portable DVD Player

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Motor for lens not moving

I have this dvd player and it seems when I put in the disc, the disc doesn't spin and the lens part doesn't move. HELP!

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  • janice08 Aug 14, 2008

    Please see second more detailed posting

  • aiknowles Oct 03, 2008

    it doesn't seem as if the disc is moving or being read by the dvd player and the screen is blank it does not even indicate that it is trying to read the disc. The has not ever been dropped, and has not been owned for that long so i dont know why this is happening all of a sudden

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1 Answer

U are not connet for current

Posted on Aug 14, 2008

1 Suggested Answer

seabelow
  • 95 Answers

SOURCE: My dvd player dvp615 doesn´t play dvd discs. only music cd´s

The unit has two lasers one for the cd and one for the dvd, the one for the dvd is bad and the whole laser assembly needs replaced. Cheaper to buy a new player.... sorry

Posted on Jun 12, 2009

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Hello, My GoVideo dvd/vhs player (model dvr4200) has been working great until a couple days ago. Recently it is not reading dvd's. After I put it into the player it will read the disc and begin to...


Hi;
This is and usual indication of a poor spindel motor that needs replacing it is the motor that spins the disc, it is the most common failue in DVD's and CD plyrs. You can't just replace the motor you will have to replace what called the mech assembly which will include the spindle motor/Laser/stepping motor etc...

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When loading a dvd it displays, "NO DISK". Is it


Hello
There are mainly three motors for most of the DVD players. One to spin the disc we insert in, other to load the laser pickup unit to-and-fro inside it to read the disc and an other one to load the tray mechanism 'in-out'. According to your description, the disc spins inside, and you can hear its spin. So motor which spins the disc has no trouble at all I should say. Then comes to the second motor that moves the laser assembly inside it. If it do not work, the laser pickup unit won't move and no reading will take place and 'No Disc' display will be the result. The last chance is with Laser Pickup Unit itself. Just get this unit repaired by any well experienced service technician or by the authorised service center, because, there are special tools to open this unit. As it is a compactable one, more care should be given to it while repairing. Suspect the second motor I described earlier, and the Laser Pickup Unit. OK.

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You can try cleaning the laser lens.

CAUTION!! The lens is delicate! I wipe DVD lenses with ONE drop of glasses cleaner on a Q-tip and, starting in the center, wipe in circles to the outside. Do not press down! Do not force the lens side to side. It will move while cleaning but don't put more pressure than needed to move the lens 3/4 way down!
Its a cheap test to see if there is a fingerprint on the lens. (You won't be able to see it - does not take much)
If this does not help, it means it needs a laser or worse. Probably just replace the player.

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I have a HR 753 DVD player and recorder and all of sudden not reading a lot of disks. even new ones brought from shop. I have put them in my friends DVD which is exactly the same and they work. Any ideas?...


Barring lightning strikes and other electrical issues...

9 times out of 10 the issue is going to be one of the two motors that are in the player. Either the motor that moves the lens or the motor that spins the disc. You should be able to hear a difference in the sounds the two players make when you insert a disc. If it is the motors you will hear clicking noise, similar to a dying hard drive. If ther motors work, you will hear the whurring noise of a spinning disc.

Feb 25, 2010 | Samsung DVD & Blu-Ray Players

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APEX AD-1115 DVD PLAYER


Manually cleaning the lens
To locate the laser lens, look around the door or drawer of the DVD player and you will see a small circular disc, which is often called the turntable or disc platter. Right off the edge of the platter you should see a small clear lens. There are some manufacturers that have had problems with the lens, depending on the age of the unit. In these problem players, moving the unit to a different location, turning the unit upside down, or sometimes even without moving the unit, the lens can become detached from the laser assembly and floats around inside the unit. You can re-glue it back with a little crazy glue, BUT it must be perfectly centered, and without getting any glue on it. So, if you don’t see the plastic lens, but instead see the laser pick-up assembly, look around for the lens inside the unit and glue it back on.
To clean the lens you must use very little pressure. Take a cotton swab and barely moisten it with plain, non-scented, or oily type alcohol. In a swirling motion, very gently rub the lens until you’ve covered it entirely. Then repeat using the dry end.
If the cleaning didn’t help, don’t despair just yet. You can see if there’s a problem elsewhere in the unit by using a few simple tricks and tips.
First thing you want to see if the unit’s laser is in good working order. This method isn’t foolproof, but most of the time works admirably. When you insert a disc, see if you can look up underneath where the disc sits on the turntable. Observe the laser lens going up and down. If the lens is trying to focus, that’s good! After a few seconds of the lens trying to focus, the platter should start to spin. On almost every CD/DVD unit I've encountered, the unit won't spin unless the laser has properly focused on the surface of the disc. If the unit spins up and and then shuts down, you should check and make sure the laser pick-up assembly slider mechanism is working without any obstructions and that the small chrome rail that it slides on is slightly greased. Don’t go overboard with the grease though, as too much can cause all sorts of problems.
The slider mechanism, depending on the age of the unit and the manufacturer, consists of the small chrome rail, a drive motor, a small gear assembly, and (in some units) a small belt that drives the slider unit via the motor. This small belt causes all sorts of problems. If the belt is broken or slipping, it can cause skipping, dropouts, or simply no start up at all. Also, if the belt breaks in the middle of the disc, the drive mechanism gets hair or dirt wrapped up into the gears, or the pick-up assembly doesn’t return to the start position (called home), the unit will (99% of the time) refuse to release the disc, causing it to become stuck inside the unit. There’s a little micro or leaf type switch located at home position that sometimes gets dirty or breaks and, causing this problem also.
If the disc starts to spin slowly and doesn’t come up to speed, the spindle motor that’s attached to the turntable platter is a common problem. There could also be a problem with the spindle motor driver controller IC or the power supply regulator that supplies voltage to the driver IC. If the disc starts to spin and then spins really fast, or stops and starts to spin backwards, your problem is the laser pick-up assembly or the servo control circuit. If you continue to have problems after cleaning and checking the other things listed above, you may have a problem with the player's alignment. Of course, one of the problems you'll face checking alignments on a DVD/CD player is that you’re going to need to use an oscilloscope on most of them. If you have the proper tools and equipment, the first thing to look at is the RF pattern of the unit while its playing. It should be a sharp and clear pattern. If it's dull and smeared, then the laser could be weak.
Also, in these units are very critical alignments called the focus/tracking gains and offsets. When these alignments are off, it can often cause intermittent troubles. As the unit ages and parts change value, so do these alignments, and will need to be checked. In my time as service technician repairing DVD/CD players, 65% of the laser pick-up assembles I have tested were good and only needed a small adjustment. Today's technology makes it unfeasible for a shop to hook up a DVD/CD player, and even some recorders, to their equipment and make these adjustments because of the cost involved.

Hope this may help;

Regards,
VOTIT

DON'T TO FORGET TO RATE

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2 Answers

Won't load


My player was doing the same thing and I noticed that the lens arm was stuck near where the disc snaps into place. I gently pushed the arm away from the center (being careful not to touch the lens). I restarted the dvd player and put a disc in...started right away.

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Disc does not spin


maybe, or the laser can focus on the disc. take the disc out and see if the lase lens moves up and down, and if it has a red light, but dont look down in the lens it can burn your retna.

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Have you dropped your player? I dropped mine and I am experiencing the same problems. I'm trying to find information on how to fix it.

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Check to see if the disc is spinning. You can do this by one of two ways either
  • a:) Listen for the disc to spin after inserting it or
  • b:) Place disk in drive right way up (so that the label is not upside down). Load the disc and eject the disc again to se if the disc has moved i.e. the writing may now be upside down.
If the disc does not spin then it is likely that there is something wrong with the disc motor. If it does spin then the issue is more likely to be with the laser unit. Try cleaning the lens but if this doesn't help it's likely to be a more serious and ultimately more expensive problem.

Hope this helps

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