Question about Samsung HCL473W 47" Rear Projection Television

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Convergence circuit correction

How to replace the convergence circuit on a samsung HCL473W

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BEWARE some people suggest that the IC's can be replaced and that they are part of the convergence circuit, they are on the POWER board for the convergence circuit, the convergence is a separate 'card' that is almost the same price as the 'sub board' with the IC's. Although most people favor the sub board as the culprit.

Posted on Nov 08, 2009

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My samsung televison timer light is on and tv wont come on


This set is prone to convergence issues---someone to know would have to open set and unsolder the convergence chips it uses to see if set will power up with them out of the circuit.
10_30_2012_2_21_17_pm.jpgThey will look something like this but have a different stk number like -020 or 040.

Oct 29, 2012 | Samsung HCL473W 47" Rear Projection...

2 Answers

BLUE UPPER ARCH ON SAMSUNG TV


Normally,the convergence circuit is repaired on the board in

need.Board replacement is usually more expensive than 400.00.

Blue convergence IC is bad. Replace both IC's for reliable,long lasting repair.Use OEM quality or better parts--I use Panasonic

STK-392-040 with good success.Repair bill about 495.00.

Oct 13, 2007 | Samsung HCL473W 47" Rear Projection...

1 Answer

I have a Samsung Tantus HCL473W, when adjusting the convergence the screen bowed and it smoked. Is it possible the power supply went out, or worse?


Itispossible that the high voltage module went out, and to have it repair you are looking at babout 500, at the lest, and if it was me I just buy a new LCD, prices have really went down.You can good to www.partstore.com and checkand see if they have a highvoltage, deflection module, for your set, Take care.

Jul 08, 2011 | Samsung HCL473W 47" Rear Projection...

1 Answer

I'm getting double picture


Ur tv have a convergence problems,it dead.The convergence board have 2 STK convergence ICS and some or all it resistors are dead.These parts must be replaced to solved the convergence problems.The shop will cost u $300-350 for parts and labors.

Jun 20, 2010 | Samsung HCL473W 47" Rear Projection...

1 Answer

Samsung HCL473w lamp


Call FOX 1-800-227-5369 they have Lamps
BP96-

Jan 02, 2010 | Samsung HCL473W 47" Rear Projection...

2 Answers

I have a HCL473W with a 'concave' screen effect on 2 colors??


You don't need to replace the whole board, regardless of which board it may be mounted on. The STK IC convergence chips alone are all that need to be replaced. You can order them from a number of different online sites. You can try Alibaba.com. If you have any more questions, feel free to ask!

Nov 08, 2009 | Samsung HCL473W 47" Rear Projection...

1 Answer

BLURRING COLORS


Sounds like the convergence correction circuits.

Sep 27, 2008 | Samsung HCL473W 47" Rear Projection...

1 Answer

I need to really find an HCL473W tube, can you help me??


Hi,

Check out the Convergence Gallery. If you see the colored outlines or color shading as in the Gallery, you have a convergence problem.

This requires the replacement of the defective IC or ICs and any damaged or smoked resistors. Usually there is little alignment required after the repair. If you play with all the adjustments before the fix, hours may be spent re-aligning.

Don't monkey with it.

This is a delicate and difficult repair. If not done by someone with some electronic repair experience, the TV will likely end up as junk or cost considerably more for a tech to fix the damage done.

If you live in Calgary, call me. If elsewhere, find a competent tech.

easyab

Apr 19, 2008 | Samsung HCL473W 47" Rear Projection...

1 Answer

Samsung HCL473w picture distortion


Hi,

Check out the Convergence Gallery. If you see the colored outlines or color shading as in the Gallery, you have a convergence problem.

This requires the replacement of the defective IC or ICs and any damaged or smoked resistors. Usually there is little alignment required after the repair. If you play with all the adjustments before the fix, hours may be spent re-aligning.

Don't monkey with it.

This is a delicate and difficult repair. If not done by someone with some electronic repair experience, the TV will likely end up as junk or cost considerably more for a tech to fix the damage done.

If you live in Calgary, call me. If elsewhere, find a competent tech.

easyab


Feb 18, 2008 | Samsung HCL473W 47" Rear Projection...

3 Answers

Convergence


You will have to replace both convergence ICs, part number# STK392-040. And also check all of the connecting resistors in the circuit for an open.


C-Dog

Feb 10, 2008 | Samsung HCL473W 47" Rear Projection...

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