Question about Hitachi 43FWX20B 43" Rear Projection Television

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Red color is not aligned

The red lens is letting out color but is very unsaturated and is bleeding around edges.

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Try adjusting the convergence. If it won't move see below

This sounds like convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400

Posted on Oct 02, 2009

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1 Answer

Put new coolant in Magnavox 9P6040c101 Projection tv. Convergence will not align. Colors are juxtaposed and words are going down hill. Looks like the red lens will not align.


It would take a hundred emails for me to explain here--I have done this type of repair a lot and on these sets--you got yahoo im or skype?

Mar 31, 2012 | Televison & Video

1 Answer

Convergence problem TV won't let me align the


Projection TV sets are known to have two common problems. The first problem that is common to these sets is convergence failure. When this happens the TV will usually look 3D, Wavy/Distorted, etc. It may also shutdown and blink an error code.

The second common problem with Projection TV sets is dull video, halos around objects, white looking video, or red overpowers the screen. This is commonly caused by the fluid in the lens being clouded overs. To get fixed either call in a local TV repair company or goto sites such as Tv Repair Kits to get a repair kit with instructions. Here is there link.

http://www.tvrepairkits.com/xcart/home.php?partner=papa1dude

They have put together complete kits for most models that include the parts, step by step photo instructions, repair assistance, etc.

Jun 12, 2010 | Panasonic PT-53WX52 53" Rear Projection...

1 Answer

The color is way off on the tv. It also looks curved, like if there are words on the tv they go up at an angle toward the edges of the tv. When you try to align the color on the tv you can get the center...


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Feb 01, 2010 | Philips 60PP9202 60" Rear Projection...

1 Answer

LG 32LF11 HDTV is haveing blurring issues, meaning that in some instances ( like digital art ) colors blend together or i should say bleed together, like if i take a red background and put a black line...


I have a similar issue with Samsung LN46N610. Red (and green to a lesser extent) text or graphics on light background creates something like a shadow or blurred edge. My PC is connected to HDTV via HDMI cable. I don't have this issue when I use Toshiba 46XV645U (Toshiba a different audio problem though) HDTV

Jan 03, 2010 | Televison & Video

1 Answer

Colors bleeding, red tint around images


The liquid coolant between the guns and the lenses may be fogged, low, or both. If the red gun has fogged coolant, you'll see red fringing around objects. It can be drained and refilled with new coolant, but it's gotta be the right stuff. You may be able to get some from a junk set, as I have done with success. Shine a light into the front of each lens. If the liquid has gone bad, you'll be able to see it.

Dec 06, 2008 | Hitachi 53FDX01B 53" Rear Projection...

1 Answer

Kv-36hs20


Have you tried disabling SVM (scan velocity modulation)? Often touted as a "feature" of TVs, it's a way of artificially making a picture appear sharp. Totally unnecessary. When SVM (sometimes called VM) is on, it can lead to some color bleeding around edges.

Mar 24, 2008 | Sony FD Trinitron WEGA KV-36HS20 36" TV

2 Answers

Color guns out of alignment


It sounds to me like the convergence amps themselves have failed. Ic7001 and Ic7002, both are STK392-110 Sanyo built Ic's and not an expensive job for a qualified shop. When shopping around for a shop to repair it ask what they charge for replacement of the convergence amps in this unit. And take the unit to them to save pickup and delivery charges...
Have a great day!
Bill

Dec 21, 2006 | Panasonic PT-53WX53 53" Rear Projection...

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