Question about Hitachi UltraVision CineForm 55VG825 55" HDTV

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Hitachi ultravision 50 inch projection tv

I removed the back on the unit to clean out the dust , i bought it used  it works great cleaned the projector off and the curcuit board any way ,, getting off subject   .... on the projectors, each one , there is a rubber sphere  one each ,1 is sucked in,middle one is half way and the last has a 3rd of it sucked in . ok  what are they for and are they doing there job thank you very much

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SOURCE: Cleaning tv screen

need to know how to clean a hitachi rear projection screen tv

Posted on Apr 05, 2008

yankeegurl
  • 121 Answers

SOURCE: PROJECTION TV HITACHI ULTRAVISION COLOR CONVERGENCE PROBLEM

it sounds like your blue convergence ic is getting weak you need to replace the ic's STK392-110 and you should replace both because when 1 is bad the other will go real soon. They are inexspensive at the sight I posted and you will also get free tech online support if you purchase them there.
http://servicemanuals.vstore.ca/

Posted on Apr 13, 2008

SOURCE: Projection Alignment

color changed to purple and green, auto focus stops on green, images are shaddowed

Posted on May 31, 2008

ctf1800
  • 4402 Answers

SOURCE: cleaning tv screen of hitachi rear projection tv

http://serviceman.site88.net/index.htm

Posted on Jul 07, 2008

  • 147 Answers

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

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2 Answers

How do I fix My 50 inch Hitachi Ultravision TV?


Likely the lamp in the set has failed here which does make sense if the picture was dim before---a lot of lamps just before failing all the way dim down.

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Need manual for hitachi ultravision 60 inch tv


For a free download of your manual try http://www.retrevo.com . They should have what you need. Let me know if you need more help.

Thanks for using FixYa and for the great rating.

hardrocko

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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 TVRepairKits.com 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

Problems with my 50 inch hitachi ultravision projection screen tv


check the solder around the area of the vertical IC. solder is either cracked or else cold. Cold solder appears as dull. Resolder anything that isnt shiny.

May 20, 2008 | Hitachi 53UDX10B 53" Rear Projection...

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Hitachi ultravision tv


tv comes on ,i hear but can not see

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

2 Answers

Problems with my 50 inch hitachi ultravision projection screen tv


the best thing 2 do is buy a new one and get guarnteed with it again
if u try 2 fix it it not 50% working


if u got guarnteed then take it back (or phone them to come)

Nov 07, 2007 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

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

Nov 04, 2007 | Hitachi UltraVision CineForm 55VG825 55"...

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