Question about JVC AV-48P775 48" HDTV

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No color there is no red in my tv, where is my converance box in the back of my tv.

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You're using YPbPr (Red/Green/Blue Component) cables, right? Make sure you've got them in the right inputs and that the cables are FIRMLY attached. (Sometimes they seem attached even when there's a half-inch or so of space still)

Posted on Sep 09, 2007

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Posted on Jan 02, 2017

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I need to know where to plug in my connectors for my cable box. I have two red ones and one blue one I can't find the right holes to plug them in. I have a green one and white one fixed so I have a black...


Hi,
This would be 5 pins, red-white is for audio and rest of 3 pins red-green-blue for video signal, it calls component video.
Find out red-green-blue jacks at back of TV that would be label as Y, Yr, Yb
Plug each pin in same color to get color picture.

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Converence


green is fixed so you have to move red and blue to green.
by using the remote you may find a simple converge function and open this and using arrow keys move the blue or red first to center of screen, repeat for other color you should see the lines moving toward a a white center point.

if the lines do not move with remote try manual ...menu on the set. if still no movement you have a problem on the convergence board and need a tech to fix.

A service manual will explain complex convergence to the detail .
but this might take hours to get it right.

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1 Answer

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maybe on your remote press menu and find converence and use the keys to move the red first over the green then move the blue over the yellow ..by standing back and just using the remote....should end up with white lines. and dont hit that button again once set. a tech should do this quickly and charge you minium.

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1 Answer

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sounds like a power supply7 problem such as a power regulator is bad or maybe the Horizonbtal deflection cu8rcuity is defective. sounds like something if you ask me? should be taken care of by the pros??? Im sorry not being able to assist you better but these sets have hundreds of volts nin them and shoulnt be played with by an unauthoized service company.. Good Luck

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