Question about JVC HD-52Z575 52" Rear Projection HDTV-Ready Television

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Jvc jd-52z575 blue and yellow shadows

Screen shows blue and yellow separated. Looks like shadows on opposite sides of screen. Replaced lamp and it worked for a day or two and then stopped. Any suggestions?

Posted by motheroftwo5 on

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5 Related Answers

Anonymous

SOURCE: Blue light and lamp light flashing, no picture.

Look in the owners manual for the directions on how to remove the lamp. Your model the lamp goes in from the front on the left looking at the TV. There is a thumb screw in the back on the corner holding the left front speaker on. Under the panel there is another thumb screw holding the lamp door on. You will need a Phillips screw driver to remove the lamp. You will most likely find that the lamp is bad. You will either have to order a lamp directly from JVC, a service center or a parts distributor.

Posted on May 11, 2008

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Anonymous

SOURCE: JVC HD-ILA PROJECTION T.V. #HD-52Z575

You both will need to have a service center come out to try to reset the TV using the reset jig. A JVC authorized service center will be the only ones that will have access to and training to use this jig. It is a good chance reseting it fix the color problem but it could also be something more serious.

Posted on May 11, 2008

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easyab

easy alberta

  • 132 Answers

SOURCE: jvc 65 inch I'art tv

1024x768 Normal 0 When A REAR PROJECTION TV has coloured outlines or a 3D image the Convergence Circuits most likely need attention.

Replacing the output amplifiers (located within the Convergence IC's) allows the pictures to line up correctly, and no more color outlines.

This is the most common fault in all makes of rear projection TVs.

Some models of TV require major disassembly and considerable shop/manufacturer's support to repair because of their design that causes other power supply or vertical deflection problems. The poorly designed products require a "bench" repair that can typically cost from $350 t0 $700.

Some TVs are designed for on-site repair and have more reliable circuit design that does not usually cause damage to other parts of the TV when convergence chips fail. The ones that usually allow reliable on-site repair are JVC, Samsung and Hitachi.

It is normal to have some resistors in the circuit burn up or increase in value from the heat (from 2.2 ohms to 5 or 10 ohms). These resistors must be replaced with the right value or the chip may fail again.

This is not a simple repair like changing batteries or a fuse. Reading through the other posts shows many that try and end up with bigger problems.

Your JVC uses STK 392-110 IC's. Misinformed people replace the IC's with other "new and improved" IC's, like STK 392-150. These are devices with different characteristics and require different value resistors in the circuit. Replacing with the STK 392-150 will cause overheating of the resistors and a damaged IC.

If you are in Calgary, I can help. If not, get someone that has experience working on your JVC. My website is below with some costs and explanation.

calgaryconvergencerepair.weebly.com/convergence-explanation.html

Good Luck,

Easyab

Posted on Jul 07, 2008

Anonymous

  • 1 Answer

SOURCE: JVC HD DILA 56G886. replaced lamp and now it shuts down after 10

we found that it is an auto shut off system on the TV due to over heating. The lamp, if not cooled correctly shuts down. We added a mini fan in the back and it seems to work fine now.

Posted on Jan 25, 2009

ladywinn

ladywinn

  • 5138 Answers

SOURCE: I just replace the bulb in my JVC HD-52Z575

Ballast Board? it is what Powers Lamp, or CK Lamp Fan if it stops running and is not Keeping Lamp Cool
set is designed to shut off to Protect lamp from being burted up, you could have either Bad Ballast Board or Defective Lamp Fan,there is a few test you can do to see which Part is Bad.

Posted on Jan 25, 2010

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I have a mitsubishi wd 62530 08' model had blue showing through left side of tv working towords the middle, screen looks greenish yellow what is the problem


This is a known issue with these sets.

They use an OPTICAL LIGHT ENGINE which the lamp shines directly into: the blue section (it has blue,red and green sections with lens and baffles) is the first to get hit by the light and its heat.

Commonly it burns that area (blue) first.

This is permanent damage and either the display chip has to be replaced (over 200 part and not a do it yourself replacement) or the entire engine has to be replaced.

Sony and similar brands have the same problem--Sony is fixing a lot of them even if out of warranty for free (class action lawsuit!).

This is a 98% certainty in your case.

You may want to contact Mitsubishi to see what if anything they will do.

You might not get a straight answer from them so GOOGLE the model number and research this on the internet-------

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1 Answer

I have small blue dots and a yellow shadow in the middle of my screen


The model indicated uses what is called a Optical Light Engine, it is a very expensive part and likely is your problem---not much else will cause this trouble.

Let me know if you have questions.

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MY LG MODEL RU52SZ30 ( 2003), HAS A YELLOW LIGHT SHOWING BELOW THE LAMP ICON. IS THE LAMP BAD? IT STILL LOOKS PRETTY GOOD ON SCREEN EXCEPT FOR THE A BLUE TINT AREA ON THE RIGHT SIDE OF THE SCREEN


Yes, the lamp is nearing the end of life when the lamp light is a steady orange (yellow). Order a new one and replace it. (When other parts of the lamp system fail, you will see a blinking red light.)

I hope this helps.

Cindy Wells

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Yellow image produced by DP8200x


the light filter on the blue lcd is fried and needs to be replaced. it makes sure only blue light comes therough that lcd panel. when it's light is blocked from coming through, only the red and green lights can be seen, hence the yellowness (red light+green light=yellow light). it's common with lcd projectors. unfortunately, you can't buy that piece seperately. you need to buy the entire optical engine, which isn't cheap (almost $2000).

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1 Answer

Blue shadow


No. I would suspect it being a Optical Block issue. I is not a pretty repair not to mention the cost factor. If you could get in touch with Hitachi Customer Service they could lead you to s service facility that could comfirm what I think.

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2 Answers

Color separation


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
http://www.hdtvoice.com/voice/index.php?s=
good luck
please mark the post with a fixya

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1 Answer

Yellow and Blue shadow on left side of screen


Blue convergence off = needs convergence IC's replaced =
Would you like step - by - step how to ??????

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Picture separated on 1/2 of screen


This sounds like a convergence problem. This is a common problem that is usually fixed 98% of the time by re-placing the STK392-020 ic or STK392-110, and check the fuse devices on the covergence PCB. I'm sure the actual parts numbers depend on the peticular brand. Good Luck!

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