Question about Televison & Video
I have a portable dvd player that can't seem to load dvds. It knows when there is no disk present, and it can see and play a cd. I blew all the dust out, and I cleaned the lens with alcohol. No change. I pulled the ribbon and its contacts look ok. The laser lights up, and the assembly goes forward,up and down a few times, the back a little, and tries again. I can hear it making little tones, but it will keep trying forever and never play. Ideas?
I was having something like you describe happening to my "Nintaus DVD"in my case the disc would spin up and play almost to its conclusion and then it would freeze I tried cleaning the lens etc nothing along those lines worked until i removed the whole tray that the lens mechanisim is retained by in my case i was then able to see the underside of the mechanisim on this model there are 2 potentiometers for alignment purposes i found out about this in a repair book anyway the 2 pots are....1 for cd and one for dvd the machine reads in binary that is zero's and ones well if the alignment gets out of whack you get freeze ups and flickering etc anyway try turning these pots with something insulated only a very small amount and test, Some dvd's have "dvd" or "cd" marked on the circuit board in my case they were not marked so it was adjust one then test,If you decide to try this make sure you earth yourself using the metal case or ideally use an anti static wrist strap the main other thing is when you adjust do it in very small increments my dvd is only a cheap one that i thought id have to throw out so far it is working fine again, Its sort of flying by the seat of your pants re the adjustment as there are no instruments at hand unless you have access to someone who does. If you try it i wish you luck, the suggestions other people have made are all valid things too re a weak diode its great if you can fix it yourself. I just re read your post if as you say the unit will play a CD ok then you only need to adjust the DVD pot
Posted on Jan 24, 2009
It usually means that the reading laser is defective, even though it lights up it doesn't mean its working. Hope this helped =)
Posted on Feb 25, 2008
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Posted on Jan 02, 2017
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