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

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Bowed picture, red green and blue not aligned, no picture

The picture was bowed and the red blue and green was all out of whack. After trying to find the conversion the picture went black and it stopped working.

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Your convergence supply is not working

Posted on May 27, 2010

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I have a HCN4727w samsung. Red/green shadowing. Bowed image


Projection sets have two very common problems.

The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jan 17, 2010 | Samsung HCN4226W 42" Rear Projection...

2 Answers

Hitachi UltraScan HD Projection Screen 43FDX01B


The convergence board is on the fritz! See TVRepairKits.com and see if they have a kit just right for you!

Jan 12, 2010 | Hitachi 43FDX01B TV

1 Answer

Blue color is off and bowed at bottom


Needs the 2 convergence amplifiers replaced and then convergence alignment carried out(Could be pricy)

Dec 04, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Pt5598 rplaced convergence board no luck.


If the picture is still bowed, the power supply fuses are open.
Check the power supply on the red connector for + and - 20 volts.

The fuses are on the main board,are on the deflection module in the middle, tward the front of the TV. They should look like green (or brown) resistors. An ohmmeter check will show which ones are bad.
They should be 3.5 amps. Replace with 4 ohm GMA fuses with pigtails if you can't find picofuses. I also had a set that would fry the 1 ohm resistor on the 20 v supply. This was near the fuses.
I replaced the whole module to fix that.

I hope this helps. Lee, www.crazycomputers.com



May 31, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

Replaced Convergence Board picture still bowed


Today may be your lucky day. Approach this procedure with extreme caution and take your time. Sometimes when you replace that board you have to do a full digital convergence alignment. With tv off, push mute,1,8,3,power. Tv will come on in service mode. Certain buttons can now screw up the set in a major way, do not guess. press 7 to adj. red, 8 for green, or 9 for blue. Then look for the highlighted "x" intersection. Use directional buttons to adj. while careful to watch screen. Vol+ and - or ch+ and - make moves, mute moves cursor. If alignments move up, down, left, and right continue until all intersections are aligned. Turn power off to start over. When done press add/del on remote to save settings. That should fixya.

May 30, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

Convergence issue with blue


You need to replace the convergence Ics located up front behind the speaker grille numbers STK392-110 you can get replacements at the following link and they provide free tech support and instalation instructions with pictures. heres the link.
http://servicemanuals.vstore.ca/

May 06, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Rca tv r52wh73 the picture is bowed at the top and bottom also the colors red green and blue wont match together as one picture


rca t v r52wh73 the picture is bowed at the top and bottom also the colors red green and blue wont match together as one picture

Apr 05, 2008 | RCA Televison & Video

1 Answer

Picture is bowed and color is way off


i Would look for a loose connection around the convergence area.

Jan 21, 2008 | Zenith R49W36 49" Rear Projection HDTV

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