Question about Hitachi 50UX58B 50" Rear Projection Television

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Converting Hitachi 50UX58B Ultravision TV to Support HDTV?

At the time I bought the TV several years ago, the sales person at Circuit City told me about the 1000 lines of horizontal resolution and indicated that the TV could be converted with an HD tuner to support HDTV. Sales person's error? Sales person's hype? I have no regrets with this TV, given the great picture and the immaturity of HDTV at the time, but now I'd like to see if I can get a bit more life out of the unit and still get HDTV. The TV does indeed have a 1000 lines of horizontal resolution, but it is an analog TV. Is there any reasonable way to harness this TV for HDTV? I've heard over and over again that HDTV-to-Analog converters are a scam, so I am being very cautious.

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Re: Converting Hitachi 50UX58B Ultravision TV to Support...


What is the digital television transition?
At midnight on February 17, 2009, all full-power television stations in the United States will stop broadcasting in analog and switch to 100% digital broadcasting. Digital broadcasting promises to provide a clearer picture and more programming options and will free up airwaves for use by emergency responders.

Posted on Jan 17, 2008

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My 1993 50in. hitachi ultravision has no picture but still has sound. What can be the problem? A hitachi rep. told me to see if my dvd player shows a picture but I still don't have a picture.


If your unit is truly a 1993 model I'm amazed that it still turns on at all. Usually projection units quit after about 10 to 12 years and are worn out. Judging by the age of the unit the most likely problem area is the high voltage section. I have a tip at which explains how to troubleshoot this section and I have a tip at which explains how to remove and replace a circuit board if it becomes necessary to change out the deflection board.

Thanks for using FixYa and for the great rating.


Jun 08, 2011 | Hitachi 50UX58B 50" Rear Projection...

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50 inch Hitachi Ultravision LCD Rear Projection Television

Hitachi has had problems with their light engines. Very expensive. Contact Hitachi as they may give you consideration even if this is out of warranty.

Apr 15, 2009 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Will not turn on

I had this same problem. Apparently it's fairly common with these older Hitachi Ultravision TVs. There is a bad fuse and capacitor. If you are willing to do some soldering it can be fixed at home. I bought a kit and instructions from for about $30. Although I haven't worked on electronics since jr high school electric shop, it powered up as soon as I replaced the bad parts. Not very difficult, although the circuit board accumulated an amazing amount of dust in its 10+ years of use.

Apr 05, 2009 | Hitachi 50UX58B 50" Rear Projection...

2 Answers

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.

Jul 21, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

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Hitachi ultravision tv

tv comes on ,i hear but can not see

Dec 27, 2007 | Hitachi 50UX58B 50" Rear Projection...

1 Answer

Hitachi ultravision

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

for poor convergence check RK42 for open circuit.

Dec 20, 2007 | Hitachi UltraVision CineForm 55VG825 55"...

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Shuts down after power up 50ux53k bought new 1998

Refer to owners manual will tell you what blinking light means. But at the front not at the back.

Dec 16, 2007 | Hitachi UltraVision CineForm 55VG825 55"...

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Hitiachi ultravision

If you have Pando, which is a free download, just send me your request to my personal addy and I'll be glad to send you a link to download it...

Premium Technologies
PO Box 442
Long Beach, WA. 98631

Nov 16, 2007 | Hitachi 50UX58B 50" Rear Projection...

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