Question about Mitsubishi VS-50605 50" Rear Projection Television

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Tv problem imGE OUT LINE COLORS OF NOT LINEUP

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Replace both convergence ICs STK392-110 they are available at the following link and they give free installation instructions and free online tech support. The repair is easy and takes about 45 minutes from start to finish.
http://servicemanuals.vstore.ca/

Posted on Apr 28, 2008

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Lines going through it and is very distorted


Search Results

    Troubleshooting Distorted Pictures - Stereo & Video Repair ...

    www.stereoandvideorepairco.com/.../DistortedPictureTroubleshooting.ht...
    Usually, this occurs on CRT projection TV's, and occasionally on CRT ... Dark, light, or colored bars can be seen rising slowly through the picture, ... Known as "hum bars" or "common-mode noise," these result from AC power line hum coming ...

    Flat Screen TV Has Lines Going Through Screen - Possible ...

    removeandreplace.com/.../flat-screen-tv-has-lines-going-through-screen-...
    Jun 17, 2015 - Flat Screen TV Has Lines Going Through Screen - Possible Bad ...inch LCD TV which is showing lines (vertically) and getting extremely hot. ..... If you leave the projection TV on for a certain amount of time does it ..... If so the plasma gas is most likely causing the screen to become distorted or color issues.

    Distorted Colors in an LCD Projector ' Business ...

    yourbusiness.azcentral.com/distorted-colors-lcd-projector-8597.html

Feb 08, 2016 | Projection Televisions

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Updated! Convergence Problems & Solutions - With example photos


Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Below are more details for both items. Also, complete repair kits with instructions and repair support are avail from site such as www.TvRepairKits.com

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. The power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.





SOLUTION #1

What you will need to do is convergence. You can get a repair kit from TvRepairKits.com . It includes replacement parts,step by step instructions, support, etc.

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.


TV set after fluid change



SOLUTION

What you will need to do is replace the coolant and clean the crt. You can get a repair kit from TvRepairKits.com . It includes replacement coolant,step by step instructions, support, etc.

on Aug 31, 2009 | Philips 46PP9302 46" Rear Projection...

1 Answer

Samsung hcl4715w green warped after power surge


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

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

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

Oct 03, 2009 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Blue looks like it is caved in to the center


Need to replace the convergence amps and test / replace one or more of the 2.2 ohm resistors in the yoke return out in front of the amps.
That unit uses two stk392-110 Sanyo amps, buy originals not the chineese knockoffs. Acme Sales in Florida can sell youthe amps and resistors.
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
premtech@willapabay.org

Oct 29, 2008 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

Replaced Convergence but pictures still display with double images


i went to converge my mitsubishi ws 73903 and the blue line wont go down to match the other ones

Oct 09, 2008 | Mitsubishi WS-73903 65" Rear Projection...

2 Answers

Red has gone off from the blue and green


you can use color managemnt option on your t.v to fix this problem. Also some newer tvs now have grid color managment, which lets you play around with it and let you pick what you want or where you might need or not need the color.

Feb 07, 2008 | Philips 46PP9302 46" Rear Projection...

2 Answers

LG Rear projection tv help... Red, Blue and Green horizntal line through screen.


The complaint may be dry solderig or yoke ,horizontal or vertical oscilator

Dec 29, 2007 | Projection Televisions

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