DVD screen is black

Now a day u can buy a new portable DVD player about $100 or less.The problems u describing it sound like the LCD screen inverter board is dead not worth repairing.After parts and labors,probobly cost about the same as a new one or even more.

do you get any sound? how about flash a light at the screen and see if you can see any video. if you get sound and video on the sceen but has not light then either your light is bad or the p/s goin to it. if it is completely dead, then you should be able to test it by pluggin it into a power supply. if its still dead then you may have bigger problems. if you want to continue into it, please let me know. also let me know what you see.

yes

The only "kill switch" I am aware of is the switch on the DVD compartment door. I don't have your exact model but, on my model, this switch is activated when the door covering the DVD is closed and deactivated when this door is opened (kills the DVD spin and reading laser). Look for a small square hole in the DVD player deck and a corresponding raised piece of plastic on the DVD door.

Good luck!

A new set is cheaper.

My Player is all blue there is no picture do I need a new player

Those can be very fragile to remove or install. Sometimes all thats needed is the transformer board. Check for proper power and possible blown fuse. I may have the parts you need.

ok, you are right. LCD drive circuit might need replacement.

I think it's because the screen on/off switch is broken. I took it apart, and think that I need to buy a new switch.

It's entirely possible that the lamp has expired, and that it is time for a new bulb....accordianman