coaxial connector broke! wheres the positive lead go to??

[aidynphoenix]

hello. in trying to fix a television for a friend of mine's dad.
the television is large and heavy made in 1994.
it is a panasonic CT-31s18s.
the broken part is a ENV-568j5g3 (tv tuner)

i was able to safely unsolder and remove it from the board to take a closer look at it..
my friends dad lost the coaxial connector!!! so i dont know exactially where the inner signal lead of the coaxial wire is supposed to run to on the board.

i am hoping to just cut a coaxial wire and run it out the back there. and use a double male sided coax extension thinggy..

while looking at the tv tuner. i can see where it made a clean break and where it was connected to the board..

there is a spot on the board where the solder was and something was pulled through..
only problem is my multimeter is showing that the part labled with the red line. is grounded.. however it does not directly connect to the ground.. it looks like it runs through a inductor and some other small components first,



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