Question about Projection Televisions
My hitachi ultravision now has no picture usually. it used to have a picture as of a few days back, but then it started to all of a sudden have just one line across the screen (hirizontally). i noticed that if i banged the back a bit the picture would come back. now however the screen is almost always black. the sound is ok. im thinking something is loose but i dont know.
the television is an ultravision i think around 45 or so, its about 5-6 yrs old.
Could be a loose connection on the printed circuit board in the Vertical deflection circuit.
You would have to have a qualified technician to repair this problem.
A intermittent connection in the circuit described can cause a horizonal line across the screen.
You have to be careful and not leave the TV on for a period of time with a bright line, as it can actually burn a line on the CRT screens, which is permanent.
Posted on Mar 25, 2008
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