Question about Samsung HCN653W 65" Rear Projection Television

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Lost picture and sound On Samsung HCN653W Rear Projection TV

Picture reduced in size from the sides and both picture and sound went off.
From reading some of the comments, it could be either the power supply/switching IC or convergence board. Where are they located?

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  • mr cuate Dec 03, 2007

    Unable to power on television, light blinks slowly for a few seconds before turning self off. Need help ASAP.

  • robison78 Dec 09, 2007

    lost picture in middle of watching tv

  • janet duncan Apr 21, 2008

    power button comes on then blinks/clicks (maybe a relay switch) and goes off. brother seems to thinks it needs a new power suppy. Any suggestions... please email at



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If the picture is reduced in size all the way around, then you are looking at a power supply issue. That would also explain it shutting down.

Posted on Dec 01, 2007


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1 Answer

I have a samgung hcn653w. It has no picture, it sounds like it trying to turn on, but nothing on the screen. Any ideas?

If you here a whining sound when it is trying to turn on, then your colorwheel is bad and needs to be replaced.

May 17, 2012 | Samsung HCN653W 65" Rear Projection...

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Picture has a sag in the middle, blurring the sides of the screen.

okay that sounds like a problem in the horizontal circuit and vertical circuit.the module of those section wants to be replaced.only a tech can do the repair.look for a tech to repair your tv

Sep 25, 2011 | Samsung HCN653W 65" Rear Projection...

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your cable box is effecting the component line in 1 or 2 in the back of the tv

Jul 12, 2010 | Samsung HCN653W 65" Rear Projection...

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Tv comes on, but no picture or sound

you need this unit to be service, we need to remove back cover and trace ckt board for possible defective parts and lost contact. just advice we can do this.

Apr 13, 2010 | Hitachi 50UX57B 50" Rear Projection...

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Hcn653w is showing ablurry picture. it will clear up for a minute and then gets back blurry.

Ur tv have a convergence problems,it dead.U know how to solders?U have a soldering iron,solders,solder Wicks?Tries Websites Tv repair, to buy a convergence kit to repair it ur self.The shop will cost $300-350 for parts and labors.

Mar 30, 2010 | Samsung HCN653W 65" Rear Projection...

1 Answer

I have a samsung 65" rear projection TV. Model# HCN653W. The sound is find but the picture is now concave from left to right. For lack of the proper terminoligy it looks like you are looking at a bowl with...

Replace Both of your STK ICs Big black ics will have part number on them example STK392-110 also there is 2 resistors 2.7 ohms near STK replace them Call Mats for Parts 1-800-628-1118

Dec 14, 2009 | Samsung HCN653W 65" Rear Projection...

1 Answer

Blue convergence doesnt work. picture is bowed

Replace both of your STKs convergence ICs also there will be 2 resistors that maybe opened 2.7ohms. KIDs running vacum would have no affect what so ever on TV.

Jun 19, 2009 | Samsung HCN653W 65" Rear Projection...

1 Answer

The TV turns on and off after a few seconds and repeats itself.


Either the stk convergence modules or the vertical ic have failed.
replace the 3 parts and it should fire up again.

Nov 21, 2008 | Samsung HCN653W 65" Rear Projection...

1 Answer

Reverse fisheye!!

you are going to need to replace the convergence board assembly. It is available at Also get the service manual, as you will need to do some touchup convergence and reset the perfect focus setup again If you have the technical ability. If you do, great! If you do not, these service menu alighnments can mess up your set, so take no shortcuts. Good Luck

Mar 29, 2007 | Samsung HCN653W 65" Rear Projection...

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