RCA D52W20 52" Rear Projection HDTV-Ready Television Logo

Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

1 Answer

Lost all Focus

I am not really sure what has happened, but all of the sudden my tv has gone completely out of focus and the red hues seem to have taken over the picture. At first I thought it may be a convergence problem and tried to use the convergence feature from the menu. (The screen is so out of focus that I couldn't read the menu options and just guessed that at where I was at by comparing the highlighted box to where it was in the diagrams in the owners manual). While running the convergence, the red wouldn't adjust and a large red ball would appear in the top left corner. Any ideas??? I could really use some help on this one.

Posted by Keith Yunker on

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  • 1,314 Answers

If that's a dlp unit they are garbage ive had two and both died in same manner in less than a year one the bulb blew on in three months after purchase then went blank and started making a high pitched squealing sound had to argue with rca cust support after repair shop said they could not fix it rca finally sent me a new one but with less features after i argued with them for another three that one did the same thing after three months now rca wont even talk to me and ive got a 100lbs paperweight that does nothing i was told it was the light engine at a cost of around a grand for part so don't waste your money on a repair shop mine is still sitting there blank and i understand this is a common problem from checking the web just roll it in the back yard spend you money on one that will work im going lcd this time and i do houseld appliances not tvs so dont worry about rating me i like to pass this info on every chance i get just to help my friends at rca
mine did that first before it started this other stuff

Posted on Jan 02, 2008

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Related Questions:

0helpful
1answer

Picture mostly green

In that case does this color problem occur on all inputs? If not then please make sure that the connections, especially the red connector, are clean and tight
0helpful
1answer

Only get red screen

Hello,

First of all Check Flash focus is working or not?(Flash focus should finish 1 full cycle)
If Flash focus not working you will have a error code in your screen.
If any error message or wont compelte full cycle you have problem with convergence amplifier IC
It could be one of your IC bad along with Couple of small Value resistor.

Dont Forget to Rate!!

Good Luck
Dals123
1helpful
3answers

Convergance

you need to have both convergence ics replaced STK392-040 (2).resistors 3.9 ohms they will be open.
0helpful
1answer

Samsung Rear Projection Problem (not convergence)

The tv has 2 focus adjustments for each tube, mechanical and electrical.

1. Mechanical focus is set by looking at screen from back (through inspection plate on back of most samsungs) and rotating the lens assembly on CRT. loosen wing nut and turn lens assembly to go through focus and back to best position.

Put convergence pattern on screen and manually misadjust bottom red and green lines convergence so they can be seen through inspection hole.

With back cover of TV off you can usually reach your hand up beside the lens assembly to loosen the wing nut then rotate to adjust. Green is in the middle. The focus will be obvious when you rotate and look

When you are finished make sure the foam dust protector is not over any of the lens assemblies and the wing nut is tight.

2. Electrical focus - located at front of unit. the front grille/speaker cover is removed and maybe a cover over the front crt inspection hole.

In the inspection hole there is a black plastic "Focus/screen adjust Assembly" with 2 rows of 3 controls.

One row is focus and the other is screen. The middle controls are for green with R/B on either side. Usually the controls are labelled as "focus" and "screen". You want to adjust the focus controls, one for each color. Look for the focus or screen label imprinted in the plastic. Don't play with the screen settings.

With the same misadjusted convergence pattern you can see a red, blue and green line. Adjust green focus and watch green line for best focus. Do same for other 2.

Screen adjustments are very exact and delicate. The easiest way to deal with them is to turn color off in Customer adjust menu. Put any color tone adjustments in the middle (low, med, high, put at med).

You should have a b/w picture if there are no crt or other color related faults. If it is close to B/W leave screens alone.

If the pix is too green, then the green screen setting must be reduced a small amount. Do not play with these adjustments as most TV repairrers have a difficult time adjusting them.

If focus adjustments don't help then focus control or CRT may be defective. Needs expert to determine.

easyab

http://calgaryconvergencerepair.weebly.com/convergence-ics.html


0helpful
1answer

Focus gone on tv

there is an adjustor wheel for the focus behind the dmd board,
0helpful
1answer

Blurry picture

Did you accidentally turn on SVM? Make sure it's off. And make sure you haven't switched to a different picture mode by mistake.
0helpful
1answer

Yellow hue

1)Please verify your model # from back of set......

2)Reduce the color to minimum or tune in a black & white chan.
you should see gray, not yellow hue

3)Remove lower front grill cover & access panel.....locate the
focus / screen control block...turn blue screen control slightly
CW......red,green and blue must mix to equal gray

4) reset color to normal level.......reassemble
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