Question about Samsung HCM5525W 55" Rear Projection Television

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Samsung TV HCM5525W Convergence & GIANT SQUARE

Is there a way to MANUALLY move the BLUE light to converge it with the other 2?
Only my BLUE light can't allign,,,,can't see why I can't move it manually looking into a mirror.
( When I bought this TV, I had to replace it after 3 days with the same problem )
Another problem is when I'm in Panorama and Wide screen mode, I get a Large RECTANGLE covering the screen, I can only see on the edges about 2 inches around, the entire inside is black. 
VIdeo works in the 2 ZOOM modes.
At the cost for repairing it, it's just not worth it, I really got screwed buying this piece of CRAP, but if I could move the blue light it would help alot.

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Posted on Jan 10, 2008


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1 Answer

Got a samsung hcm5525w tv that i cant adjust the blue convegance, the red i can adjust, and using the auto focus only gets trough the green.

This is a common problem. Its called a convergence failure.

Problem #1) Convergence


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You can see some examples and find a fix here...

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How old is ur tv...? Cos the wear & tear is the cause for this ghost appearance. The repair for this is only temporarily. It can not be eliminated completely.

Generally the blue ad yellow colour can be removed by a tool which is available with a tv technician. It is not very expensive to do this. Hoping to hear from you.


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Convergence where the tv lines up the three guns (red blue and green). I do believe the board is located next to the power supply board.

Aug 18, 2009 | Samsung HCM5525W 55" Rear Projection...

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Do you have to buy a new convergence board to fix the blue and red convergence for a samsung tv

mo you can replace the two Convergence ICs and check the 3.9 ohm feed resistors. You can get new replacement ICs and resistors at the following link.

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The Samsung has bad convergence IC's most likly. This should be repair ONLY by a trained technician as a TV set is not a place to experiment or tinker with because of the extremly high voltage inside. This repair should cost you in the range of 250 to 400 bucks . Good Luck

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I've posted this solution several times but here goes. Try setting up the convergence through the menu by accessing the convergence setup menu. If this fails to work you have a bad digital convergence box and need a tech to replace it. About $60 to $100 fix.

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