Question about Polaroid Televison & Video
My portable dvd video is not working.while inserting the disc,it shows nodisc,and the battery is not getting charge.
The most probable problem with your battery problem is your charger is not charging the battery and doing a voltage check on the end that plugs into your dvd would verify or negate that. The other problem could be that your battery needs to be replaced. The problem with the no disc could be four things and this is usually the order I check them in. Your lens that actually reads the disc is probably dirty enough to have stopped reading probably and it cannot read the initial sector You can clean the lens manually with a q-tip and a little isopropyl alcohol on one end. After you clean it turn the q-tip over and wipe off the excess. The second thing that can cause a no disc is that there is a mechanical switch that has to be made for it to detect that there is even a disc in the disc carrier. After this switch is made then it tries to read the disc. That switch is usually in the position so that when the door closes it makes that switch. Only by taking the dvd module out can you actually determine if it is working properly. The third thing is that after the switch closes the disc motor has to start turning in order for the disc to be read. If it does not turn after the door closes it cannot read anyway and you get a no disc error. Keep in mind the door switch has to work for the motor to even start turning initially. You have to be able to see this by taking the cover off your dvd player. There is also an electronic component that drives that motor but you would need to be an electronic tech to be able to find it and replace it with the right one. Good luck and let me know.
Posted on Jan 22, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
In most cases when the CD does not play it is possible that the optical head is a suspect. Sometimes it might pick up ordinary audio CD but will not play other formats. This indicates that the optical head is weak and so there is no detection or scanning of the CD . If the optical is working the tracks will be read immediately but with no scanning the laser head can be defective.
The main motor will not work in some cases as unless the tracks are read the drive motor will not work with signal from the processor. Also in some cases the central motor base can shift and so the distance to the disc can be more resulting in low detection. You can pull up the spindle to come closer.
Sometimes certain cleaner disks will not be tracked to run for cleaning as it will not be read and so will reject. Hence it is ideal to manually clean the laser head eye using a cleaning swap /cotton bud with gentle pressure on the lens eye.
If there is no result then watch if the CD spins or tries to spin. If so the board seems to work unless a test is taken on the main board but the possibility of a defective optical head can be the suspected fault.
If any of the above seems otherwise we must recheck with possibilities of a malfunction of the main processor board
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