Question about Hitachi UltraVision CineForm 55VG825 55" HDTV

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Hatachi big screen

Very little color on green projector

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Good Day, whataboutbob;
Try to replace the drive PWB assy Part number: JP08481.
Good Luck, big IRISH.

Posted on Sep 06, 2008

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Posted on Jan 02, 2017

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Optoma gt700 is all green after replacing color wheel


we mainly retail or distribute color wheel, light tunnel ect sparet parts for projector or TV, so we have experience on that problem you faced.

perhaps you ordered a compatible color wheel,but it is not big trouble. compared with your old wheel, you will find a black tape, just make it as the same position as your old wheel, it will be ok.

Jun 25, 2014 | Optoma Office Equipment & Supplies

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When I turn the projector on I get scattered bright white pixels showing up on the screen with no color. What causes this.


Hello!
Bad news: the problem is the light engine! most expensive part of the projector. Due to high temperature inside and extended usage with poor ventilation, plastic filters inside the light engine start melting and picture gets "spotty". Next, the color matrix quits and one of primary colors is missing. In any case, light engine is "goner". It's very big job to replace it. I would surrender to repair facility in your place. Or, if you can get replacement projector for a good price, just do that. Your projectors repair bill might be $500+,or more. due to high cost of light engine.
Good luck,
thanks,
Alex.

Dec 21, 2011 | Panasonic ET-LAC735 Multimedia Projector

2 Answers

Hitachi projector problem


Many Hitachi projectors use 3LCD technology which supposedly makes colors more realistic. 3LCD means that the projected light must pass through 3 seperate LCD screens. Each screen has one color but when mixed, they form a nice picture. I would guess that one or more of the LCD screens have gone bad. That is a hardware problem that I would recommend talking to the manufacturer about.

Mar 03, 2010 | Hitachi Performa CP-RS55 Multimedia...

1 Answer

The colors blue and green on the screen and a big circle in the middle of the screen it makes everything look green


This is generic for CRT based projectors and is cloudy coolant in the CRTs
Another problem is poor connections on the CRT bases

Jul 07, 2009 | Hitachi Televison & Video

2 Answers

Multimedia projector display too pink


check the vga cable, usualy its a broken wire inside

May 18, 2009 | HP VP6121 Multimedia Projector

1 Answer

Red,green and blue lines across screen


I f these lines are slightly diagonal and they all showed up at the same time. you probaly have an open resistor in the ABL circuit. since your set is 13 yrs old, I would not put a penny into it.
You might take the front grill cover off and the panel behind it and find the little black box with 6 little controls 3 are for focus 3 are for screen turn the screen ones ever so slightly counter clock wise. the control in the middle is the green screen adjustment. If the green line goes away try the one labeled r for red and b for blue.

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1 Answer

Showing to of the same thing twice and colors


The projector has one or more "burnt" polarizers, more than likely.

They are replaceable, but expensive if you buy them from the manufacturer.

Look on Google for "burnt polarizer".

It's not the easiest job, but at least they're replaceable.


Jan 15, 2009 | Toshiba TLP-380, TLP-780, TLP-781UF...

1 Answer

Samsung HCM5525W 55inch


This is a convergence problem. It happens to all big screen rear projectors. The convergence output ic's need to be replaced. I would let a repair man do this.

Nov 11, 2008 | Samsung HCM5525W 55" Rear Projection...

2 Answers

Big Green Bar


Hi Tom017

Does this green bar show even when there is no signal inserted into the Projector ?

If it doesn't then you can try using a different cable - that should solve this for you.

If it doesn't then you might be in for a quite expensive Mainbaord repair or replacement.

Good luck and thanks for using Fixya !

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