Question about Hitachi 50UX58B 50" Rear Projection Television

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I have a 50 inch hitachi ultravision never a problem its 2 and a half years old noticed blue discolor top left center down about 12 inches is this the lamp going bad or something else?

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Posted on Jan 02, 2017

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ctf1800
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SOURCE: I have a 50 inch hitachi ultravision that has no picture or sound but power light is on

you have lookse connection on the video convergance amp ic

KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Posted on Dec 05, 2007

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SOURCE: 62 inch hitachi LCD blue streak

My LCD Hitachi did the same thing and it was the light engine, Hitachi paid for it because it was a big problem in a lot of the TVs...

Posted on Feb 28, 2009

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SOURCE: 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.

Posted on Apr 15, 2009

  • 668 Answers

SOURCE: blue circle in center of screen hitachi 55vs69a

The Light Engine is causing this.

Posted on Jun 30, 2009

  • 1 Answer

SOURCE: 50 INCH HITACHI ULTRAVISION HAS COLOR DIFFERENCE ON EDGE OF SCREEN

Hey, I found this on a blogsite about lcd rear projections....looks like our tv's screens have been burned by the "pillers" that surround the tv when switching from 4:3 to 16:9 or fullscreen... read below, I hope it helps !
cheers!
Vern

Rear projection crt's,the first generation widescreen tv's were notorious for that.Lcd and plasma can have the same problem,but it takes much longer and is not as harsh.Dlp's use tiny mirrors,so it isn't a problem with them.Lcd and plasma tv's should be ok unless you watch them with blck bars on them all the time.
We have lcd monitors at work,and i've seen them after a year with bad burn in.They also run 24 hrs a day 7 days a week with the same display.



GKar posted 2006 Oct 10 15:31 TooLFooL : i have 51" sony rear-projection and those freakin' grey bars burned themselves right into the screen...

I read that to avoid the burning you had to limit your 4:3 viewing time to 15% of total time viewed. (applied to my TV but apparently yours and others as well...great! now they tell you :-x , this applies unless 4:3 aspect was changed to stretched or zoomed...yuck :-x )

This really sucks as a Star Trek/Lexx/Farscape fan as they are mostly 4:3, fortunately the upconvert player/hdmi combo sends a 1080i 16:9 signal to my TV so the effects are drastically reduced by nearly filling the TV without the grey bars or burn in problem without stretch or zoom modes being used. yay! :wink: (default grey bars set to black automatically, apparently grey isn't needed due to screen area covered is sufficient for burn in not to be a problem.)

Posted on Aug 25, 2009

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I have a 50 inch hitachi ultravision that has no picture or sound but power light is on


you have lookse connection on the video convergance amp ic

KIT10 $29.50
Repair Kit for Hitachi convergence Chassis DP-14G
KIT10 Includes 2 pcs STK392-150 , 1 each of the following 1W axial lead fusible resistors:


http://www.digitalhome.ca/forum/showpost.php?p=564268&postcount=220
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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