Question about Samsung HC-R4755W 47" HDTV

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Onlytwo lights are lit and screen is blury

I do not have a remote. do i need athe remote to addjust the convergence? this was giving to me so far it looks like i need the red lamp and possible a Deflection Board?
looks like a nice tv but is it going to be worth it?
thanks much Dennis

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  • 5,138 Answers

Adjust your screen/focus control you have r/g/b for each tube they are located on a small black control box R/G/B screen drive control on botttom and focus is on top.

Posted on Jun 17, 2009

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1 Answer

My philips big screen tv is blury with double vision on words


Convergence, Convergence!

see attached photos--if looks like that it needs two chips and/or a few resistors replaced--total parts cost at say SUBURBAN ELECTRONICS under 25 dollars.

look at the photos here=look anything like your problem?


3_28_2012_2_49_36_pm.jpg



3_28_2012_2_50_11_pm.jpg



3_28_2012_2_50_45_pm.jpg

Mar 27, 2012 | Philips Televison & Video

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MY RCA R61WH76 61 INCH TV IS BLURY AND LOOKS LIKE IT HAS 3 PICTUR


RCA Scenium Profiles HD61 TV IT'S AT 480i how I get at 1080i or 720i please help....thanks...

Jul 02, 2009 | RCA R61WH76 61" HDTV

1 Answer

Image of the television is blury and the image its got phanton imagen


Your TV most likely has a convergence 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.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.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.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Jun 21, 2009 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

The pitcher is blury and need to be ajusted , how do i do that


Your TV most likely has one of two 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 around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution


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.







Feb 11, 2009 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Blury ,double vision, and cant brighten up


Solution:

Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in or warped.

Here is a quick test....

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

Try to adjust the 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.

Its a fairly easy fix on the Hitachi sets.

You can get a repair kit that includes all the parts from www.TvRepairKits.com. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself.

Jan 29, 2009 | Televison & Video

1 Answer

I have a hitachi 50FX18B and the convergence lines...


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 projeciton 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. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.

42d3683.jpg

7859b01.jpg

e87380c.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. And you should be able to get the grid straight.

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 fix

69189a5.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 are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Jan 23, 2009 | Hitachi 50FX18B/19K 50" Rear Projection...

1 Answer

Sound but no picture!


Try unplugging the three convergence yoke plugs and then try powering up the set. If the set lights up the tubes, you will need to troubleshoot the convergence circuits as something is still wrong possibly the feed resistors are blown.

Nov 30, 2008 | Panasonic PT-51HX41 51" Rear Projection...

1 Answer

Blury screen with rainbow image cannot read words on screen


The convergence integrated circuits have failed and most likely the 2 5A fuses have opened as well. I would find a local Mitsubishi service shop.

Sep 28, 2008 | Mitsubishi WS-65908 TV

2 Answers

Samsung HDT HCP4363W


you need to get the service manual for your tv the microcomputer needs to be replace use the test mode from off your remote control enter the numbers 0-6-2-5-9-6-menu do it fast ypou should see a display come at the bottom of your screen consult your service manual and reprogram your tv if this does not work as i say change your microputer at this time i do not have a schematic to give you a part number.

Mar 08, 2007 | Samsung TXM3298HF 32" TV

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