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

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Samsung 42" tv sp43w6hpx

Hi i have got into the service convergence on my tv i have now messed up all the colours and all the grid lines the default has also been replaced by a mess up the perfect focus on the main picture screen is not working anymore it comes up with a message wrong factory data, is there something you can sugest to get everything back to normal, thankyou toni pell.

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  • Anonymous Aug 25, 2008

    horizontal wavy background lines , i have just changed the 2 stk392-010 because of picture bowing that cured it about 90%

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  • Master
  • 934 Answers

Toni, There is nothing short of calling a technician and letting the expert try and solve the problem. As you can see, setting the geometry on a grid in those can be challenging - years ago we had to do that with numbers only and do a quick math conversion to know how far we had pushed that line. The good news is it's probably not an expensive repair unless the changes have added any stress to the convergence circuit and caused any damage. If you need any help in loacting a reputable shop in your area you might try: http://www.nesda.com/locator/state_search.php National Electronic Service Dealer's Assn. for a member shop. Kinda like using the AMA to find a doctor. Good Luck Bill

Posted on Jun 08, 2007

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The colours are no longer lining up. On captions you can see the three seperate colours. The auto focus does not fix. How do you enter service mode to adjust grid lines?


U can't do any grid lines adjustments for this problems,the tv problems it is having are known as a convergence pictures problems,it is dead.The tv have any colors lines like R,G,B mis alignments,tv have any colors shadows pictures or have a 3D pictures look alike?Yes,than the tv convergence board it is dead for the tv to causes all of these convergence pictures problems.The tv convergence board must have to be repair like replacing 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence pictures problems.The tvs shops will cost like $300-350 for parts and labors.

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Mats Electronics has them replace Both ICs. 1-800-628-1118 also in front of ICs is 2 resistors low ohm 2.7 or 3.9 replace them.

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To adjust manual convergence on your projection TV, follow theses steps:
  1. Turn your TV on.
  2. Let it warm up for 30 minutes.
  3. Press the Menu button on your remote. The Main menu appears.
  4. Use your remote to select Function, and then press the joystick.
  5. Select Convergence, and then press the joystick. The Manual Convergence screen appears.
  6. Select Red, and then press the joystick. A series of crosshairs appears on the screen.
  7. Select one of the outside crosshairs by moving the joystick up/down/right/left or by pressing the 2 (up), 4 (left), 6 (right), or 8 (down) buttons on your remote. The method you use depends on the model of remote you have. Note: You must do the outside crosshairs first.
  1. In the crosshair you selected, if you can see a horizontal red line, use the CH up or CH down buttons to move the line so that it is superimposed on the horizontal center line of the crosshair. Note: Make the single horizontal line as white as possible.
  1. In the crosshair you selected, if you can see a vertical red line, use the Vol + or Vol - buttons to move the line so that it is superimposed on the vertical center line of the crosshair. Note: Make the single vertical line as white as possible.
  1. Repeat for all outside crosshairs, and then for the inside crosshair.
  2. Return to the Manual Convergence Screen, and select Blue, and then press the joystick.
  3. Repeat Steps 7 through 10 for Blue.
  4. Press the Menu button on your remote to exit.
Important: The directions above work for most Samsung Rear Projection TVs. Yours may be different. For exact directions to perform manual convergence, see your user's manual. If you don't have your user's manual on hand, click HERE to view your manual on line.
If you cannot get your Projection TV to converge, it may need to be serviced. To arrange a service appointment, call Samsung Customer Care at 1-800-Samsung (1-800-726-7864). Have your TV's model number and serial number on hand when you call.

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http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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