Open a new file with 450x 358 px and 300 dpi. Apply the next tool for representing it 
.
Fill 0% on the layers.
Blending Options-Gradient Overlay
Gradient's parameters:
Select the next instrument 
and draw an ellipse of black color.
Apply this filter.
Select the following tool 
to create a circle. Then take another instrument 
to correct a little its sizes the way it is indicated in the next picture.
Fill 0% on the layers.
Blending Options-Inner Shadow
Blending Options-Gradient Overlay
Gradient's parameters:
Using the shown instrument 
, represent the TV's support.
Fill 0% on the layers.
Blending Options-Gradient Overlay
Gradient's parameters:
Copy the recently made layer and make use of the Free Transform selection to turn it around by applying also the next parameters.
Fill 0% on the layers.
Blending Options-Gradient Overlay
Take another instrument 
then and draw the TV's corps.
Fill 0% on the layers.
Blending Options-Inner Glow
Blending Options-Gradient Overlay
Gradient's parameters:
