Question about RCA P52937 52" Rear Projection Television

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Screen went black for a moment and when the picture came back on the picture was bigger than the screen, was out of focus and had a concave curve.

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Posted on Jan 02, 2017

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SOURCE: screen has double images on both sides, picture

IC chips are Failing, and or A few Resistors in the Convergence circuit. Commen problem for Projection sets!... OneGeo.

Posted on Jul 07, 2009

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sabreusa
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SOURCE: triple vision red green blue and curved picture

This is a common problem with this model! you need to resolder the fly back transformer and check the three 400ma pico fuses usualy one of the three goes bad. I fixed so many of these and I wish I had a picture to post.
If you call a TV repairman it should not be that expensive to resolder, the FBT and replace the 400ma pico fuse.

This information is for someone that knows electronic.
1000s of volts inside the TV that can kill. Even if you unplug the TV the high voltage can be stored inside the TV for days.

Best of luck.
www.aaatvservice.com

Posted on Mar 04, 2011

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1 Answer

PICTURE CONCAVE OR CURVING ON THE SIDE


Pin-cushion distortion. Contact any service technician. Its convergence part circuit need a through check-up. If you wish to get some details; visit the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Jun 10, 2015 | Televison & Video

3 Answers

I don't know what concave means


The curve of a lens is either convex or concave, that causes light to be focused depending on the direction of the curve.

So to answer your question, concave is just a bulging 'out' shape.

dont-know-concave-means-rsx4m12fp5prszbjjw0ik22q-3-0.jpg

Feb 19, 2014 | Concave Lumbar Support-A6000

1 Answer

Picture went black


Likely power supply failure, especially with the bad smell

Sep 10, 2012 | Element Electronics FLX-3211B 32 in. LCD...

1 Answer

I am having a problem with my Blackberry curve. I...


the picture isnt matching your resolution ,need to restore your phone factory settings default status

Regards
Marshal
Dhaka, Bangladesh
bdman2010@hotmail.com

May 20, 2010 | RIM BlackBerry Curve 8310 Smartphone

1 Answer

BLUE SCREEN WITH FAINT CURVED TRACE LINES


I am the one who wrote that solution--this varies a little from model to model but here is the basic:




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You may have a bad blue picture tube but there is a way to deal with this first----the set has a black plastic block with six controls---three are Focus(red,green,blue) the other 3 controls are Screen controls(red, green, blue) Someone has to remove the entire piece on the front of the set below the screen(usually a plastic part) most of the time it is secured with 3 screws on either side of the set in the back; once you remove the screws the entire piece should pull out(pull from right to left(it will not fall off or come out easy--it is held in with several large plastic pegs) With it removed there is an inspection plate with 4 screws-----the screen/focus block is behind it.

You need to look very closely at the block to identify the focus versus screen controls----one row left to right will be marked Focus and the other row left to right will be marked screen------YOU need to locate the Blue Screen control(they are black like the block) With the set on(be careful) go to a video input clip_image001.gif with nothing connected---if you see a blue screen as well as the input number turn the BLUE SCREEN CONTROL SLOWLY TO THE LEFT UNTIL THE BLUE is gone.

If this cures the problem you may only be buying yourself some time----if the blue picture tube is bad sooner or later this trouble may return----I have seen sets where this was adjusted and the set worked for a year or more with no repeat of the trouble----replacing the blue tube would likely cost you 400 - 500 parts and labor.

I do this here for free so if this has helped you take a moment and give me a vote here.

SD TECH

Nov 14, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Focus the picture on a Model 27GT619 Television


The focus control is on the flyback transformer (Usuallly black or brown with three wires coming out of it. The bigger wire goes to the pix tube with a rubber cap at the end.) The focus control is on the side. There are two. The top is focus. Good Luck!

Jan 13, 2009 | GE 27GT619 27" TV

2 Answers

Picture problems


OK to help assist everyone having the BLUE HUE and CURVED LINES Issue on their Rear Projection HDTV no matter their model. Here are the steps to take. The first thing to check is the FOCUS BLOCK or G2 Focus Transformer or CRX F-Pack. I have replaced mine, however it didn't resolve the issue. I am onto the next item the CRT Board for Blue (Which is the board under one of the three color lamps inside your tv) Please see photo below (if photo is not large enough below go to link to review notes as well) If the CRT Board is not it, then the next step will be the Signal Board which is a larger board in the back. In a week I will have a picture of both.

INSTRUCTIONS:
  1. Remove the outside cover
  2. Remove the wood plank/panel
  3. In the front is the G2 Focus Block/Transformer, while set is on turn the top 3 knobs till the screen goes black/dark grey.
  4. adjusting the colors till you receive the desired or normal color/picture.
  5. Once you have received the proper color/picture tap the side of the Focus Block.
  6. IF The colors go out of wack again and the blue comes back strong then this "CAN BE" the Focus Block.

Replace the G2 Focus Block aka Focus Transformer, if Hitachi it's called a CRX F-Pack. This item will cost about $50. Not expensive. You will likely need a soldiering iron. DO TURN OFF & UNPLUG THE TV WHEN INSERTING ANY METAL OBJECTS INTO THE TV!!

FOLLOW THE PHOTOS/DIAGRAM in link below for assistance in the above instructions. I will post my next process since it was not my Focus Block that was an issue.

ONE SOLID PHOTO Go to URL CLICK HERE, click on that image to enlarge. Hope this helps you all out!

Mar 30, 2008 | Sony KP-57WV700 57" Rear Projection HDTV

1 Answer

Sony tv KP-57XBR10W


Correct ! One set is for RGB focus and the other set is for
RGB screen voltage............................T.

Oct 05, 2007 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Toshiba 43H70 HD Projection TV


this is a convergence failure, there are hundreds of posts about it on this website you should be able to find everything you need

May 23, 2007 | Toshiba 43H70 43" Rear Projection...

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