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Tom, the set top box is an old, non HD box, it's output is 4:3, but thanks for the tip though,
I just double checked to make sure, and also connected a little portable DVD player and played a
non HD movie to check how it looks, the picture is stretched the same way.
Yea most channels have made the switch here, but you have to have an HD box to watch HD programming.
rca2000,
If you are talking about the sand resistor on the right in the PS pic (on the edge of the board next to the filter cap),
then yea I was suspecting it right away as well due to the discoloration, but it tests out just fine, within an ohm of the specified value.
The B+ changes by about 2 volts from when I turn the brightness all the way from one end to the other...
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