Question about RCA Televison & Video

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Model HD5OLPW42 50" screen LCD Serial #E115C401A I have a triangle shape dark place in the upper left corner of the screen.

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I have a HDTV RCA and it will power off and restart itself after just a few second, can you help me determine what could be causing this.

Posted on Mar 21, 2013

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SOURCE: triangular shadow on the upper left corner

You may have a dirty or blocked mirror. You can usually take the back off and clean them. If you don't feel confident about it, a repairman can do it for you. If you clean it yourself, I recommend using a good quality glass cleaner and any type of towel that doesn't produce lint. Coffee filters work very well. Don't leave any streaks!

Posted on Oct 21, 2007

  • 1030 Answers

SOURCE: Dark area on screen

sound if u might have what is called a crt burn

Posted on Jan 03, 2008

  • 5 Answers

SOURCE: The upper left corner of the screen (triangular

This is your mirror tunnel. Light passes through the mirror tunnel to the DLP. The tunnel is made up of 4 mirrors glued together. Over time the glue comes apart and the tunnel shifts.

It starts out like this: |_|
and when the glue breaks down it does this: \_\

So the light, instead of passing through the mirror tube, goes through the ends of the mirror, so you get SOME light but not all.

I contacted RCA and they said:
"Ok, well sadly they do not offer the light tunnel anymore, which is what you need. Sadly you would be rendered to get a whole new light engine assembly. That would be the D.N.D module, light tunnel,color wheel,optic spanner, and oci. mirror. Your best bet would be to search ebay for a broken engine and replace it that ways. "
Awesome support! NOT! (That is the actual full text of the message from RCA support.)

I have some high temp epoxy and will be attempting to re-glue the parts myself.

Posted on Mar 22, 2010

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SOURCE: I have a 5 year old RCA 61LPW42 HD DLP television.

It's the light tunnel. The tunnel is a square tube made up of 4 mirrors glued together.

It looks like this from the side: |_| (with a piece on top too.)
When the glue breaks down, it shifts inside the little mirror holder. The shifted mirrors looks like this /_/ what you are seeing is the shadow of the tilted mirror tunnel.
ON the RCA's there's not a good fix.

RCA's response:
"Ok, well sadly they do not offer the light tunnel anymore, which is what you need. Sadly you would be rendered to get a whole new light engine assembly. That would be the D.N.D module, light tunnel,color wheel,optic spanner, and oci. mirror. Your best bet would be to search ebay for a broken engine and replace it that ways."

That is the ONLY response I got from them.

I took the set apart and found the 4 tiny mirrors. I will be attempting to epoxy them together. (The set is dead anyway, why not try?)

Posted on Mar 22, 2010

  • 1039 Answers

SOURCE: I have a Sony KDF-50WE655

The light engine needs replaced. Contact Sony. They have been replacing some of these even out of warranty.It is expensive.

Posted on Apr 01, 2010

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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I have a Samsung 4500 series plasma tv. Suddenly today the picture only displays in the upper left corner of the tv. its not due to the aspect ratio or zoom. What is causing this?


Contact the authorized service centre. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent.

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My hp CPTOH-0602 was flickering and then stopped and now the screen is dark with a big black area in the top left corner


it was a screen back light failure, the lamp get busted in the upper portion of the panel display. to access this part you will need to remove the back cover using a philip screw driver. the back light is covered with metal shielding.to replaced the back light, be careful in disassembling the cover not to damaged the lcd screen panel.

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I just bought a LG 55LX6500 TV, but I found when in dark scene or no signal, the screen showing very uneven darkness, espcially the 4 corners, the most the upper left corner a lot lighter than the rest...


it may be a problem with the backlight system.the leds use a edgelit led backlight instead of placing them directly behind the lcd panel. i suggest if it is very new take it back to the store otherwise you will need to call service technician LG should be able to give you contact info for authorized servicers in your area.

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1 Answer

Where is the water filter located


Hello,

Commonly its right under the freezer door in the grille area, you will see this big knob shaped item, turn this from east to west to north to south (counter clockwise a quarter turn) then pull the filter out, if its is a push button the button is usually triangle shaped and right next to the filter. Push it in till you here a click

The last two places in the upper right corner of the freezer OR the refrigerator section, if not in any of these three places you dont have one .
Good luck and hope this will helpout......

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1 Answer

We have 2 tv's : "Thompson 50dly644" with rear projection.\r\nThey both have the same problem: there is a dark corner in the left upper side of the screen. Noone can tell us how to fix this. Is there an...


There are four tiny mirrors forming a tube (app 50mmx15mm) next to the color wheel, and they are the reason. seen from the front (lamp side), they should be rectangular to each other, but due to heat or any impact they have moved a bit and look more like a diamond.
Remove the light engine (take pix for right wiring afterwards) incl. color wheel, and remove the bracket which holds the mirrors together. The brackets holds them in place, and its quite tricky to get them properly aligned.
(no glue, You'll spoil them-)
But, once done, those triangles are gone.

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1 Answer

DARK SHADOW EFFECT UPPER CORNERS OF SCREEN


I would check for dust particles before I attempted any type of repair on the unit.

Dust particles will appear as dark spots that are larger than the size of an individual pixel. It must first be determined if the particle(s) are on the LCD panels or the screen.

May 27, 2009 | Sony KDF-E42A10 42 in. LCD Television

1 Answer

I can't find where my water filter is. Model number GC3PEXN500


That model looks like a Whirlpool, I am very familiar with their set ups

We put the filter in two places

Commonly its right under the freezer door in the grille area, you will see this big knob shaped item, turn this from east to west to north to south (counter clockwise a quarter turn) then pull the filter out, if its is a push button the button is usually triangle shaped and right next to the filter. Push it in till you here a click

The last two places in the upper right corner of the freezer OR the refrigerator section, if not in any of these three places you dont have one

May 02, 2008 | Refrigerators

1 Answer

Dark area on screen


sound if u might have what is called a crt burn

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1 Answer

Image reduced by dark edges


An adapter tube has to flare out at the end or it will cut the corners off at the wide angle setting. Telephoto should be ok though.

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