cant se the image properly about arduino-tvout HOT 6 CLOSED

Sorry about the double post. :x

Try to use variable resistors, it can help.

try using it without the diodes and using a 470k resistor on the vid pin 
instead of the 330k.  I have recently come across a tv that does not work with 
the diodes and will adjust the recommended schematic accordingly.  I have also 
noticed with this same tv that the image will go very dim if I try to display 
an image that is mostly white. However this TV is old and has some severe 
issues outside of this so I am not sure how much value I should place the 
findings I am having with it.

I have tested all suggestion without any success. I also tested on a new TV and 
obtained the same results.
In more detail: 
I can see the pretended text and symbols, the thin is that it is to dark 
(barely seen the text). 

It's working. :D