Question about Philips Magnavox 51MP392H Rear Projection Television

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Currently, the red and blue color alignment is off and I am unable to adjust this. There is a red shadow with a blue hue. Have tried to realign the colors but can not get the red to move.

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  • Philips Master
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Ur tv have a convergence problems,it dead.The convergence board the 2 STK convergence ICS and some or all it resistors are dead.All these parts must be change to get ur convergence back to normal.The shop will u $300-350 for parts and labors.

Posted on May 25, 2010

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Posted on Jan 02, 2017

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My screen has little dots appearing sometimes red sometimes blues behind the picture i just replaced the lamp bulb as i thought it would cure the problem


the projection tube needs to be adjust for color alignment, each tube (red, green, blue) must be aligned so you there would be no color smear appear on screen. if it is aligned try to set up the color balance, hue etc.

Feb 06, 2011 | Samsung Televison & Video

1 Answer

Hi there can you help with my HP2605? Since i replace a blue cartridge (a compatibal one. We have been using compatible cartridges for over year and so far so good.)3 weeks ago the printing is not week....


click on the alignment button and have the machine automatically start the realignment process
it is not color realignment but printer head alignment that is the problem

May 04, 2017 | HP LaserJet 2605dn Printer

1 Answer

Mitsubishi RPTV has a blue shadow/image alignment problem


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

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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.

May 23, 2010 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Unable to align red crosshairs in horizontal range


No there are no quick fix options for this fault. The convergence amplifiers operate similar to a high power audio amplifier, so if there is an impairment anywhere in the system, it will result in distorted audio, or in the case of television convergence amplifiers, one or more colors won't align. The convergence power pacs need to be replaced and the out of tolerance precision resistors located near the power pacs need to be carefully checked and replaced as necessary. And the power supply fuse links to the power pacs checked and replaced as needed.

It is also possible that there are root faults that cause the amplifiers to go bad which include bad connections or a bad digital control module. This repair is possible for anyone having basic electronics knowledge and soldering skills. After the above repairs are performed it may be necessary to perform the static convergence realignment procedure using the outer cross hairs as you mentioned, and realigning them.

Apr 23, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Red and Blue convergence


you may need a new convergence board only a tv shop can tell you for sure

Nov 03, 2008 | Televison & Video

1 Answer

Samsung model number PCL5415R The blue bulb is weak. where can i get one and can I replace it it is a 52inch projection HDTV ready


You may also have a problem with the convergence. There are three color cans that project the image on the screen. A red one, green one and a blue one. The blue one is the one that you should try and adjust. Have you tried to realign the convergence yet? You should be able to go into the menu setting and locate this option is is typically done using the remote. What you will see is some cross marks starting in the center and move to the four coners. When you adjust it you will want to align all three (red, green and blue) crosses where neither color is more prevalent. If you are unable to get the blue can to align with the others, there is a problem with the convergence board. These boards or ICs can be replaced, if you have a repairman fix it your looking at around $250 - $400. If you would like to fix it yourself you can get the parts from...
http://nfm.partsearch.com/Model/Samsung/Samsung/PCL5415R.aspx

NOTE: "Most of the text above was gathered from another online source"

Aug 28, 2008 | Televison & Video

1 Answer

COLOR SHADOWS


Select each color. all you have to do is align it with white by using the directional arrow keys - Simple! For fun, Grab a pair of red and blue 3d glasses and offset the red and the blue channels. Yes, I have too much time on my hands. Good luck :)

Apr 07, 2008 | Hitachi 60SX13B 60" Rear Projection...

1 Answer

Color alignment problem


You will need to put the unit into wahts called service mode because it will have to totally realigned since you change the whole module you changed the chip that had you stored memory setting for convergence called an EEPROM. here in the shop I would unsolder the old EEPROM and put it on the new BOARD. Also on most models you don't have adjustments for the green you have to move red and blue to match green. Imay want you to describe again to me what you can adjust now with the new board in the unit can you move all colors left right and up/down

Mar 10, 2008 | Samsung HCM4215W 42" Rear Projection...

1 Answer

When color printing, looks blurred, but not.


You need to align the cartriges. If you have the HP software installed on your machine, you can just open that and click on the align button. If not here is the link to download the software:

http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?&lang=en&cc=us&pnameOID=446154&taskId=135&prodTypeId=18972&prodSeriesId=446153&lang=en&cc=us

Just select your operating system and then download the North America/Western Europe full software solution under software. This should allow you to align your cartiges. Just follow the instructions when aligning. Hope this helps you out!

Nov 06, 2007 | HP Color LaserJet 2600n Printer

2 Answers

Color alignment


You have bad convergence output ic's part #stk392-120. you will likely have to a technician intall these for you.

Sep 28, 2007 | Toshiba 43H70 43" Rear Projection...

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