Question about Sony KP-43HT20 43" Rear Projection HDTV-Ready Television

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Projection tv/HD ready

I can't get some of the convergence lines to converge.The lines don't move all the way back to the midle

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Call tech ..suggest c-chips

Posted on Nov 26, 2007

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Blue gun adjustment does not move blue line in menu convergence function. Any way to adjust or fix?


No.Fix.Tv have dead parts on the tv convergence board.Tv colors lines R,G,B mis alignment,can't move any colors lines.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead on the tv convergence board.These parts,must be replaced on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

Oct 28, 2010 | Toshiba 61H70 61" Rear Projection...

1 Answer

Conversion-----the red lines are distorted so badly they won't move at all. I've managed to line the other lines up. The top left quadrant has drooped so badly that they will not adjust back. The bottom...


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.

Convergence problems are very common on all Projection TV sets including Sony, Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit from the link below.

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 - TV may also make a chirping noise.
Here are some photos of convergence problems.

49abec3.jpg
f0add3d.jpg


Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution

93a1209.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from www.TvRepairKits.com

Feb 11, 2010 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Different Kind of Convergence Problem - RCA 52 inch


The FL231 fuse is dead.There 3 retangles squares the one in the midle is dead near the right side of the FBT high voltage transformer.the big plastic block with a red wire hook a cap to ur CRT.

Sep 07, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

Need schematic for Convergence PWB of Hitachi


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • 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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


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 aroundimages.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


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

Mar 09, 2009 | Hitachi Televison & Video

3 Answers

Looks 3d


Do not open anything until you. Go to menu on your remote find convergence and press the volume button to the right go to manual and press right again. you should see a bunch of rectangles, now you should also see a set of red cross heirs press the #2 to move cross heirs up and eight to move down numbers 4 and 6 will move left and right and 5 will place the cross heirs back to the center once you have chosen the selected section to adjust line up the magenta with the other colors using the channel and volume buttons these move the lines up down left to right adjust all lines until they are white. i do not know how to switch from magenta to green or blue but this should get you started on the right track with out having to replace anything. good luck! if you figure out how to switch from maqgent to green or blue please post it so that I may adjust mine as well tahnks

Dec 26, 2008 | JVC AV-65WP74 Rear Projection Television

1 Answer

Mitsubishi ws-65809 Convergence will not align correctly


You may also have a resistor burnt out for the convergence ICs.. They are all right in front of the ICs and will usually show browninsh if burnt up. If bad, replace the pair and maybe the ICs as well if they've failed again. If your new ICs fixed the lines so they'll move, then you may have problems with the centering magnets on the yokes of the crts. Dont move the yokes or magnets if you can help it, but look to see if some of the manufacturers glue broke free and let the magnet spin around the neck of the tube. If so, try to put it back where it was and then re-converge.

Dec 04, 2008 | Mitsubishi WS-65809 65" Rear Projection...

2 Answers

Curved red lies at top/bottom with some double vision in lines


This is from another fixya article but its relevant to your problem.

Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • 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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


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 aroundimages.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


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

Apr 25, 2008 | Samsung HCM5525W 55" Rear Projection...

2 Answers

Convergence settings


Key Functions
7,8,9 = select R, G or B
+100,0,PRE-CH = mute R, G or B
INFO = test/normal
4 = shifts from point to line, grid move
2 = restore factory
SOURCE = H/V select
ADD/DEL = Save
S.MODE = exit
MUTE = cursor forward
P.MODE = cursor back
Volume +/- = moves convergence left or right
Channel +/- = moves convergence up or down
1 = zero's all convergence settings (ugly!)
U/D/L/R = move cursor
SELF FOCUS = saves the convergence adjustment - do before exiting

Good luck.  I let a sub-standard service joint work on mine - they replaced the OEM chips with a higher wattage equivalent, and I've had nothing but problems ever since.

Oct 11, 2007 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Convergence


The convergence output IC's are bad. Need to call a service shop.

Sep 04, 2007 | Hitachi 46F500 46" Rear Projection...

1 Answer

Picture convergence


There are 2 large convergence output IC's and one of them has burned out. The defective convergence IC should be replaced and the convergence circuits realigned by a qualified tech experienced in projection sets.

Sep 01, 2007 | Philips 60P8341 60" Rear Projection...

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