Question about Panasonic DVD-LS80

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Broken screen casing

The plastic casing around the screen broke open, but the player still works. Is there any danger as far as radiation/laser exposer to leave it the way it is? Is there any danger in unscrewing the casing around the screen to put it back together?

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LCD displays do not emit any radiation. This is the same as LCDs that are used on laptops and on LCD High Definition TVs but these are much larger screens.
LCD are liquid crystal display just like the display on your digital watch, but it uses three lots of color crystals (red, blue & green)where as the digital watch uses one black crystal. The DVD player also a backlight panel to provide light behind the liquid crystals so you can see the movie images.

There is no danger in unscrewing the case etc, just don't have it turned on when you do this, because you may cause an electrical short to some components, even if you do it won't harm you (the elecrical voltage is too low) but it is enough to possibly damage the unit.

Posted on Mar 05, 2009

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Hello,

First try out the disc on another player, that is to confirm if the disc is not bad, once it loads, then it is confirmed that the problem is from the player.

Before loosing the player, first check for the kind of discs that works on the player also to check for compatibility.

After running both checks, then the problem is obviously from the laser/lens of the player. It is either dirty or bad. And the solution is for you to use a laser/lens cleaner on the player and try to play a disc on it, if it does not work, then you will have to unplug the player disconnect its prongs that connects it to the television, then unscrew it open, use a cotton bud to clean the lens/laser which is the tiny crystal like object held in a plastic case, then try to play a disc on it, if it does the same, then the solution is for you to replace the lens by disconnecting the plastic case that is holding the lens and replacing it with a new one, that will be a lasting solution.

I hope this solution is helpful?

Take care and good luck

Note: If you are not familiar with loosening electronic devices, i will advice you seek the assistance of a technician in order to avoid any further damage in the player.

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4e47ed0.jpg

You can see one of them broke for me when I was trying to get it open. If you apply some pressure under those clips you may have more success avoiding any clip breaking. I'm not worried about it since with all the screws it is plenty secure. What I did to get it open at these clips was insert a small flat screwdriver head in the small gap (seam) at the clip locations and twist. It did gouge the plastic a bit, but worked well enough. Once this side opens up you should be careful about separating the unit along the side with all the plugs. It took a bit of easing around the volume wheel and a couple plugs to get it fully apart. The opposite end of the player from the clips will come apart once the clips have been released as it is on a separable hinge.

Here is the ribbon cable detached from the circuit board.
547dcc3.jpg

The ribbon cable (blue part) slides into the black and white connector. Make sure the black part is pulled slightly away from the white part when you are sliding in the cable. Once the cable is in as far as it will go then slide the black part of the connector until it is flush against the white part. This secures the ribbon cable in place.

Here is a picture with the ribbon cable slid all the way into the connector and but still unsecured:
5b24a51.jpg

Now here is a picture with the black part pushed tight with the white part of the connector:
0f09d6e.jpg

Here is how it looked when I closed the case back up:
02756fd.jpg

Good luck. Hopefully this helps.

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