Question about Sony KP-51HW40 51" Rear Projection Television

1 Answer

Projection tv colors on tv will not allign, i have already installed new convergence ic and red light flashes 5 times..

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  • mbrown8111 Oct 31, 2008

    no, what exactly do they look like

  • mbrown8111 Nov 01, 2008

    serial # 8770030


    thank you

  • mbrown8111 Nov 04, 2008

    yes, can u.. try n send it to my aol

  • Rock-D Nov 19, 2008

    I have the same problem with my Sony -KP57HW40. It is 57 inch rear projection tv where all the three colors do not align. can you please send me the service manual so at leat I can troubleshoot the convergence issue or would know where to look for convergence IC inside the tv.

    Many thanks in advance.


  • imagelawn Mar 11, 2009

    i went inside my 42 in jvc and it has a panel of adjustment screws for the red,green, and blue alignments. i turned one and the problem began. i ended up messing with all of them and now i cant get none of them to line up at the same time. i get close but there is always an off spot somewhere. need help or advice.

  • sammyt81 Mar 16, 2009

    havent installed convergence, dont know what that is of course. but i am unable to align colors on my screen as well. i can focus the red, blue and green on a certain area of the tv, but areas around it are horriblly off.

    another issue: say i have a freeze frame box on the screen. 2/3rds of the outer red lines of the box drift quickly to the right (kinda like goes straigt down, pause, goes to the right, pause then goes straight down to the end of the box. both L and R side of box are equal on both sides (kinda like a mirror of each, and they change in relation to the outer sides when i change the wide modes on the tv. i think it is some kind of input problem maybe since this line changes with the different aspect ratios, but i can still not focus the colors on the tv. can anyone help

  • jason May 11, 2010

    did you replace the bad resistors also?



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What is the chassis # ?( back sticker on tv )
also if you don't rate my help good , then i will not continue to help you , people have been malicious in the ratings and I'm not going to help someone when all there going to do is rate me as "thanks for trying" people are making fake profiles just to get us to answer and then they rate it as inapropiate or thanks for trying , just to hurt our rating, so sorry if it seems i am bieng harsh but i am not falling for their bull any more, and i am never sure who is on the other end of these threads, so now i am bieng careful I have alot of tips on repairing tv's and know how to find the problems not already found
again sorry if it seems i am being harsh, looking forward to help


projection tv - 818049b.jpg

Posted on Oct 31, 2008

  • jason Nov 04, 2008

    if you want I can email you the service manual for your tv , just leave a hotmail address or something that i can send it to you at





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1 Answer

The TV was working en shut him self off. Wont start now .

This may be caused by convergence IC's being defective and some resistors around them not being the proper values.

I have repaired another Hitachi model Rear Projection TV that would start up and click click click and flashing red light, then replaced the convergence IC's STK392 series and a few burned up resistors and good as new :)

You will have to be handy with a soldering iron to complete this task, and there is a kit you can buy also it comes with everything you need and even teach you how to solder if your not already good at it.

Hope that helps


May 15, 2012 | Televison & Video

1 Answer

Tv turns off red light flashes and i hear a chriping sound

This problems is also parts of tv convergence board have dead 2 STK convergence ICS and some or all the resistors dead too.This problems the 2 STK and some or all it resistors are completely dead that why u only have red flashing light and chirping sound only.If your tv have any life function left of the tv convergence board u would have only mis alignments of colors R,G,B lines,have colors shadows or 3D pictures look alike.The shop,will cost like $300-350 to get the tv convergence board fixed also fixed this problems too.

Jan 05, 2011 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

The colors are unalligned and the picture is blurry

hello,,the deffective part of your tv probably the convergience ic,it is a 2 pcs big ic with heatsink mounted on the mainboard you can replace it with a new one..or try to adjust first the allignment of your cathodes the RGB cathodes..on your front pannel there is a convergeance manual allignment button use this button to allign the convergeance..on your remote control there is also an allignment command consult your manual for the command .after the adjustment you must save the adjustments before exit the convergeance adjust..if thris adjustment do not work replace the convergeance ic ..mostly the ic is labeled STK XXXX..

GOODLUCK i hope i this helps you..

please rate my help tnx.

May 29, 2010 | Philips 51PW9303 51" Rear Projection...

1 Answer

My Panasonic rear projection TV color is off

hello it sound like convergance ic might be the trouble it's a big job to do yourself a lot of testing and a lot of desoldering and soldering get a quote from an engineer


Jan 19, 2010 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Green projection light not alligning with red and blue. Flash focus will not bring them back. Sony Rear Projection KP-48S70

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 Be sure to vote/rate me if this helped Thanks!
See link for more detail
Note:The convergence/defletion/power board (the one the IC's are on) of this model is on the left hand side (when facing the back of set) also check for blown pico fuses when replacing the convergence IC's The best way to replace the IC's resistors and possibly fuses is to remove the entire board.

Oct 19, 2009 | Sony KP-48S70 48" Rear Projection...

1 Answer

My tv does not come on and the red light inthe front flashes 3 ti

The 3 blink error code is indicating that the Convergence ICs have failed. You can get the repair kit for your model which contains both convergence IC and the six feed resistors and it also has step by step instructions with pictures that show how to do the repair. Heres a link to the repair kit for your model.

May 30, 2009 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

IC's and PICOs replaced but Red Convergence is still off

There is always bias resistors very close by the ic's. You must check all of them. There value will be right on the money, if not you must replace them. You'll see them, they will all be in a row.
Let me know if I can be any further help!

Mar 18, 2009 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer


Panasonic Flashing codes:
1: ----------------- +140 v.
2: ----------------- Low DC
3: ----------------- Convergence
4: ----------------- HHS
5: ----------------- IC 4011
6: ----------------- IC 4018
3 is convergence, either one of the two convergence ICs faulty, or something else (capacitor etc.) has blown on convergence board.

Jul 13, 2008 | Televison & Video

1 Answer

Red and white allignment

you need new convergence Ics. This is a easy repair. let me know your model number of your TV and I will post the Convergence ICs numbers and also post a link where you can get new Ics that come with free installation instructions with pictures and free on line tech support.

Apr 23, 2008 | Televison & Video

1 Answer

Red color allignment

The convergence Ics need replaced. In Toshiba, resistors and sometimes a coil needs replaced as well. The convergence/deflection PCB is available, but, the cost of that board is higher than having a servicer come to your home and repair the unit to component level. If you are not familar with this circuit, then call a servicer. Have them replace both ICs not just one. Make sure they are repairing to component level and not replacing the board. Hope this helps.

Mar 31, 2007 | Toshiba 50H72 50" Rear Projection...

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