Sound-No Picture, RCA Model 27R411T

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aoaudio1981
Sound-No Picture, RCA Model 27R411T
GRRRRR
1) I am getting sound through the speakers.
2) There is no picture. At all.
3) Slight whin, from component [TR8, PN21138600].
4) I don't have original remote.
5) Hypothesis #1> black/white/picture/focus stuff is turned all the way down, if that can be done within the menu, so how would i do a factory reset? There's the 2 knobs on the back of the unit, Picture and Focus, i've set those to roughly the middle, still no picture.
6) Hypothesis #2> there is a connection that seems loose, a red wire that travels directly from the Picture part of the Picture/Focus knobs on rear of unit; it's loose at the board that connects to the tube, not sure but maybe it needs to be tight? and how?
7) So, can anyone and everyone please help me out with possibilites? FYI i'm fairly retarded with electronics, but tech savvy, so let's see what we can do, aye?
8) Thank you everyone in advance!
 

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