Question about Hitachi 50DX01B 50" Rear Projection Television

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60" Ultravision picture problems

Picture shows up blurred with lines thru it. Often times it will go to one picture and another picture just above it that is different colors from the top picture then the bottom picture? Is this a problem that can be resolved at home?

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Re: 60" Ultravision picture problems

HMMMM Dual pictures This is a problem that every projection TV runs into at least once or twice in its lifetime. Its the old convergence IC falure thingy. These IC's go bad and should be replace all at once. These are not consumer replaceable unless you have had training in the electronics or TV repair fields. Please call out a pro to assist you with this repair as A TV is not the place to experiment in because of the HI voltage and saftey issues. Good Luck

Posted on Jul 29, 2006

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Picture blurred with yellow cast

Its a Dlp that uses a lamp---the yellow cast suggests a damaged Optical light Engine----Google the model number with problems and you may learn more---if the engine is bad it may not be cost effective to repair the set.

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Many thin black horizontal lines on my Hitachi Ultravision 50" TV

Good Day, LDS also;
You may have a poor seated cable connector. Unplug TV from A/C, remove back look for a large black connector. It connects between the Main Digital Module and the Drive PWB. Re-insert both ends several times to make better contact, use contact cleaner if have but not always needed. Good Luck, big IRISH.

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1 Answer

No picture or just one line across screen on hitachi ultravision rearproj.

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.

Mar 24, 2008 | Projection Televisions

1 Answer

Horizontal problems

Its may due to problem on IFsection or tuner,afc problem

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Hitachi ultravision

Check IC601, C603 for leakage, I601 and vertical pulse detector QN05

for poor convergence check RK42 for open circuit.

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1 Answer

3 curved lines top & bottom/blurred picture

This indicates a convergence problem..convergence power supply probally.. however ive seen 2 other cuicits cause this ..

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