Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television

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What is the convergance??

One of the suggestion to fix my tv turning off problem was to be convergance ic then IC831S (STR-X6456), but I really don't know what that is and how I fix it.

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  • Anonymous Dec 30, 2007

    WHAT A PIECE OF CRAP THIS TV IS.

    I OPENED THE WHOLE THING AND YOU HAVE TO BE BRAIN SURGEON TO FIGURE IT OUT.

    I PLAYED WITH ALL THE BUTTONS AND NOTHING WORKS.

    IVE GOT RED AND GREEN SEPERATION WITH ARCHING ON THE TOP.

    I WONT SPEND MONEY TO FIX IT AS IT WILL COST MORE THAN THE TV SO IF ANYONE KNOWS HOW TO ADJUST IT PLS LET ME KNOW ASAP.

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Tv model is pt4298hd repair shop said that he replace both convergance chips check all res/caps all reading in spects.

Posted on Jan 03, 2008

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Posted on Jan 02, 2017

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1 Answer

I have an 51pp9100d/37 Phillips Tv, and i the red and green colors on the picture are skewed to a weird, almost sideways, S shape. I was wondering if this is an easy fix and cheap, i don't really know...


From what you have said it seems that you need to replace the Convergence ICs, they are Big Black ICs and will have Part number on them ,example STK392-110
Mats Electronics has Parts $9.95 each IC. 1-800-628-1118
PTS rebuilts boards 1-800-844-7871

Jun 29, 2011 | Philips 51PP9100D 51 in. Television

1 Answer

Colors split on my ony rear projection tv


If by a color split, it looks like a 3-D picture, the problem is in the convergence circuit. Since it recovers on its own, it suggests to me that there is a poor solder connection at the convergence ICs. If you can solder, this should be a simple repair. Locate the convergence ICs (large black ICs attached to a heat sink that should be marked STKxxx). Resolder the pins on both ICs. If that does not resolve the problem, let me know.

Dan

Dec 21, 2008 | Televison & Video

1 Answer

Green convergence was bad now tv wont turn on!


The convergenc module is located abouve the board on the right side of the set looking in the back. Its attached to the metal frame you will notice two large STK392-040 ICs mounted to a heat sink. You can get new ICs or a replacement board at the following link for your model. leave an email if you want the convergence board and they will get back to you quickly. Heres the link.
http://servicemanuals.vstore.ca/

May 31, 2008 | Samsung PCL545R 54" Rear Projection...

1 Answer

Samsung HCM4215 No Power


I have a 14" samsung hitron tv with a STR problem.The STR got burn beyond identification. Could you please help me with the value of the STR or a schematic diagram for this TV?
My email address is samlog1000@yahoo.com
Thanks

May 17, 2008 | Samsung HCM4215W 42" Rear Projection...

1 Answer

TV keeps turning off.


could be a couple of things
first i would guess to be convergance ic then IC831S (STR-X6456).and could be loose connection.
you could try this to narrow it down, purchase a can of freeze at radio shock and spray it on these ic one at a time see if it stays on longer or just replace them

Dec 20, 2007 | Samsung HCN4226W 42" Rear Projection...

3 Answers

Tv won't turn on


Your problem could be the Convergence board is loading down the power supplies and will not let the TV set come on, or the power/deflection board, part number AA94-08574A, or the STR type regulator IC, part number AA13-00105A. If you locate the convergence board, unplug the connectors, and see if the set will come on. if the set does come on, replace both of the STK convergence IC's at once. The part numbers for those IC's are STK392-40. You can get the original replacement IC's from MCM electronics for about 15 to 16 bucks a piece. Do not use the less expensive STK IC's as they are not the same. the replacement IC's should have the name of SANYO printed right on the face of the IC's. Good Luck

Jul 22, 2007 | Samsung HCM4215W 42" Rear Projection...

3 Answers

Convergence problem, i want to fix it myself


If you have never opened a TV set or unsoldered and soldered electronic components and if you have never aligned the convergence circuits on a projection TV, then please do not attempt to fix your TV yourself. Have the set looked at by a qualified tech. Although Samsung said it will cost $400, a good tech will replace the defective convergence IC and pico-fuse and realign the convergence for less. When I do a housecall for a set like that I charge $150, so ask your local shops what they charge.

Jul 19, 2007 | Samsung HCN4226W 42" Rear Projection...

1 Answer

HCN4226WXIXAA


Good be just about anything. This set is common for the regulator IC, the STR-X6456 regulator IC to go bad for starters, the flyback transformer goes bad and takes out the horizontal output transistor sometimes and then blows the main 10 amp fuse. I have also seen the convergence IC's go bad then the set dies because the main fuse blows out, the power supply will go bad because of a surge. If you have no TV repair knowledge, play it safe and have the set looked at by a pro. Good Luck

Mar 30, 2007 | Samsung HCN4226W 42" Rear Projection...

2 Answers

Picture will not come on


Sounds like you Switching IC has failed. This is becoming a common problem with this type of TV's. This IC is identified on the board as IC831S (STR-X6456). The chip cost about $24.

Oct 31, 2006 | Samsung HCN4226W 42" Rear Projection...

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