If a picture on the Polaroid LCD TV will be starting to deteriorate, you will not necessarily need in replacing your entire TV.
You just should to replace a lamp inside it.
A projector lamp is the light source for the Polaroid LCD TVs.
Without a correctly working lamp, you will not see the clear picture.
Here is more information for you.
For the first step that you should do is that you should power down your TV and also all the media devices that are attached.
After that, let your TV cool down before you are touching all the things inside.
For the second step, you should unplug all the cables that are attached to the back of your TV, after that let your TV to get cool down for a few minutes.
Then, remove back cover of your TV.
Most of covers may be easily removed with the simple screwdriver.
For the next step, remove a lamp cover.
The screwdriver will be all you have to need.
If you cannot find a lamp cover, refer to the Polaroid LCD TV manual.
After that, remove a lamp with the soft cloth in order to avoid from getting burned; a lamp will still be hot.
After that, screw in the new lamp by using the similar soft cloth, as the oils from the hands will cause the premature deterioration of a lamp.
After that, attach a lamp cover.
You need to check in making sure that it will be properly fastened.
For the last step, attach a back cover of your TV.
Then, reattach all the cables from the media devices.
After that, power on your TV.
You have to know now have the picture as the same to what you ever had when you first bought the Polaroid LCD TV.