Hey Jake, just curious-- what is the wattage of your TV?
FWIW we have a small 20" westinghouse LCD TV and watch it all the time using
a cheap cigarette socket 150 watt inverter.
I have a larger 400 watt inverter but it also kicks out on low voltage
probably due to in-adequate wiring at the 12v socket.
It works fine on the smaller inverter.
Yeah, I've heard folks say non-sine wave inverters are bad but we try to go
on the cheap as much as possible and it works for us.
Some minor TV interference such as light and dark bars in the screen but they
are very dim and barely noticeable.
We can watch the news/weather or a movie when on battery power and not
be a big power drain on my batteries. We've gone 5 days without a charge
on several occasions.
Larger screens are definitely going to use more watts.
Some have posted here that they purchased 120v TVs that actually had
12v internal circuits. They were able to bypass the 120v power supply
and hook the TV directly to battery power.
No idea how you can tell which TVs this is possible on but it's been done.
(this -might-
void the TV warranty but I admire that kind of ingenuity.)
My TV does not have any audio out jacks which stinks but I am able to use
a little cable that came with my camera. I plug the cable into the earphone
jack on the TV and the other end has 2 RCA type plugs that go into the
audio input on my Jensen AM/FM/DVD so I can get TV sound out of the RV
speakers. This is necessary when we're using the roof AC since my TV also
has dismal volume due to the tiny pizo speakers in it. Most modern TVs will
have audio out jacks so connecting to your on-board sound system should
be easy.