Question about Projection Televisions

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My tv started having a blue band "bowtie" with double exposure on the pictures and typeface this morning. I've left it on for some time and it does not seem to change

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It sounds like you have bad conv.ic's.Need model of unit

Posted on Mar 03, 2008

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The left side of the picture is distorted with a double image. The right side is fine. As things such as the stock symbols on CNBC scroll across from right to left on the screen, they start out looking...


Hi,

It's a convergence issue. Go into the main TV menu under video settings and look for convergence. If it has an auto convergence select that and wait a minute the TV will adjust itself and give you a clear picture.
If the TV does not have an auto convergence and just regular convergence than select this. It will give you a grid pattern on your TV and you have to move the cursor (using TV remote) and adjust each "point" so that each line is perfectly white. If you notice red or blue anywhere on that "line" then you have to adjust using the up, down, left and right arrow keys to "line up the red and blue lines with the nearest white line. It takes time and patience to do, but when completed, all lines on the grid pattern should be pure white and you will have a great looking picture.
You have to do this will all TV inputs (Video1, Video2 and so on) the reason Zoom looks good, is because you never used that screen as much and so the lenses didn't have a chance to get out of synch.
RPTV's are made of the three lenses (red, Blue and Green) and as you watch TV, these lenses slowly get out of alignment. So you should do a convergence about twice a year to make sure nothing is out of whack.

You can pay somebody to do it, but may cost you like 100.00 or do it yourself, it is very easy just tedious and time consuming. If you have the auto convergence than your golden because this is the easiest way to "reset" the TV.

Hope this will help in solving the problem....

Jan 12, 2011 | Hitachi 51GWX20B 51" Rear Projection...

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The blue lines on the left lower side of the tv will not converge. The tv has never given me a problem. I woke up one morning and powered it on and noticed the blue is misaligned. I tried converging and...


This problems can happen to the DLP tv any times of it tv life.Tv is 100% have a convergence problems.The 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Dec 03, 2010 | Pioneer SD-643HD5 64" Rear Projection...

2 Answers

My Zenith tv picture on the screen looks like a bowtie red green and blue are seperated on screen


The tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board,must be replaced to solved the tv pictures convergence problems.The shop,will cost u like $300-350 for parts and labors.

Nov 24, 2010 | RCA D52W23 52" HDTV CRT TV

1 Answer

The picture looks like a bowtie and red blue and


TURN YOUR COLOR OFF.IF YOU SEE THE RED,BLUE AND GREEN AROUND THE EDGES EX.SOMEONES FACE YOU CONVERGANTS IS OUT NEEDS RE LINEMENT.

Apr 24, 2010 | RCA Projection Televisions

1 Answer

Blue splotches on screen


sorry but u have a bad optical block price $450 - 600 dollar part

May 08, 2009 | Hitachi UltraVision 60V715 TV

2 Answers

Sony KF50WE610 Vertical Blue Lines Across Screen


the vertical blue lines indicate some interference from other electronic gadgets near your tv. it started showing up on my sony grand wega when i installed my wireless modem. i almost ordered a new rear projection lamp costing over $100 but decided to experiment. i first moved my desk computer farther away from the tv then isolated the wireless modem router by placing it inside a small glass - the vertical blue lines became lighter in color so i dedided to find another small glass that fit inside the first glass container then put the router in the double glass - no more blue lines and my wireless modem router still works.
do some deductive thinking to figure out what's messing up your tv and isolate the interference.
good luck!

Jan 18, 2009 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

My sony KP51WS510 Too blue or red, double exposure


This type of fault is harder to locate since the I cannot see the picture my self.
It could be a convergence problem or G2 problem. Either way U should take to a service center.
I don't think this is just a do it ur self kind of fault
Sorry. I can't be of any more help
Rifaa

Nov 15, 2008 | Sony KP-51WS510 51" Rear Projection...

1 Answer

I have owned a Sony rear projection TV for a little over two years. Model KP-51HW40. I have two problems. The first problem has been going on for about one year. Most of the time when, it is first turned...


Problem # 2 is a convergence issue. If you can solder, you can repair this yourself. As far as problem #1 goes, count the blinks. The set goes into standby as protection from further damage when a problem is detected. The blink count is an internal diagnostic that indicates the circuit in which the problem was detected. Report back here with the blink count if you can.
I'll look up the convergence IC numbers in the mean time.
Dan

Apr 24, 2008 | Projection Televisions

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