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

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Samsung HCN4226W/XAA Wont start-up

This set got intermittent with turning on, then went completely. I checked the - & + 20 volts to the convergence board -OK. With the 20V disconnected, it started-up. Reconnected and set worked a week. Went off again, tried same thing - nothing. Completely disconnected convergence board - smelled something hot. Now nothing, although the HV is coming up, because I can hear it discharge when I pull the plug. You now cannot power it off and the pilot leds around the button do not light. I have ordered the convergence board and the STR-X6456 IC.

Any suggestions - I dont want to spend $500 on the main board, but am thinking about just pitching it if the convergence board and regulator dont fix it. I am a retired copier tech, but am having problems with this Samsung manual's schematics.....

Thanks, Jerry

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Coloring is off and there is a ghosting effect


Hello,

Part # BP95-00142E is the correct convergence amp board for a model # HCN4226W. Part # BP94-00155A is listed as a "CG Amp assembly board" also, but is not correct for a model # HCN4226W. They are both basically convergence amp boards. Here's a link to order the original Samsung covergence amp board for this model (HCN4226W) from a major parts distributor:

Samsung HCN4226W Replacement Part Convergence Amp Board

Jan 30, 2009 | Televison & Video

1 Answer

Samsung hcn4226wx/xaa red color out of focus


Ok first of all, the convergence board you are looking for is no longer available from Samsung, probably because of the large failure these boards are having. The only thing to do though would be to replace the convergence amp IC's on the convergence amp board. this will involve locating the convergence amp board, going to http://www.samsungparts.com, entering your model number, without the /xaa prefix. Locating the list of parts for this TV set, and getting the right convergence amp IC's for this TV set. The numbers for the convergence amps are STK-392-040. You will also need to get the service manual for this TV set to perform touchup convergence, as well as to realighn the magic focus into the memory of this TV set. If you have the ability to solder and unsolder, you should have no problem replacing thes convergence amp IC's. But i will have to say this, about 45% of these TV sets do still have a problem after the convergence IC's are replaced. this is usually due to the burnt ground return resustors on the convergence board, so be perpared to know how to read a scematic diagram in the service manual and to trouble shoot the board. There is no simple repair to this problem I'm afraid, with this Samsung TV set. But , if at any time, you feel lost in the repair of this set, do not continue, and call out a pro to assist you in the repair of this TV set. Good Luck with the repair of this TV set.

Jun 26, 2007 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Sound went out


Please help ! I moved my Samsung hcn4226w and reconnected. The picture is fine but, no sound now and cannot use all functions on the remote. Any suggestions would be great. Thanks.

Jun 29, 2008 | Samsung HCN4226W 42" Rear Projection...

2 Answers

Samsung rear projection television HCN4226WX/XAA


Dead Samsung

I don't recommend working on the TV unless you have some experience and knowledge relating to the safety issues and electronic repair. Most rookies will not successfully complete the repair and probably do more harm than good.

Sometimes when the convergence chips fail, the TV senses the changed load condition and shuts down.

Unplugging the blue, red or green convergence connector on the convergence board removes the overload condition if the IC is shorted and allows the tv to run, with one color missing.

This is done with the tv unplugged. Then plugged in and turned on to see if it starts. Turn off immediately if you here it start.

Now you know if convergence failure caused the shutdown. You can repair the convergence circuit if that is the problem.

If this has no affect, then you could have a number of different faults in Vertical output, Power Supply or HV circuits that require the expertise of a qualified service person. This would be a bench repair in most shops.

If you live around Calgary, Alberta try me instead:

http://calgaryconvergencerepair.weebly.com/convergence-explanation.html

Or try to the find the repairperson part of this website (on the Homepage) and search postal code. Maybe you will be lucky and someone from your area is listed for Projection TV repair.

Most rookies doing this job will cause damage and not be successful. They will pay double for someone to fix their mess or end up scrapping the TV. It is not a simple task. It is more difficult than batteries on a remote.

Good Luck

easyab

May 27, 2008 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Samsung HCN4226W blue color outlines


Samsung parts for convergance problem
http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx
This convergence board works with the following Samsung television models: HCM4215W, HCN529WX, HCN559WX/XAA, PCN5425R, HCN4226WX, HCN529WX/XA

Mar 10, 2008 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Double picture


Samsung parts for convergance problem
http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx
This convergence board works with the following Samsung television models: HCM4215W, HCN529WX, HCN559WX/XAA, PCN5425R, HCN4226WX, HCN529WX/XA

Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929

Feb 06, 2008 | Samsung HCN4226W 42" Rear Projection...

1 Answer

I think I have a convergence problem but looking through solutions I have become confused Help?


to tell which board you have there should be writing on the corner of the board in white.

Jan 27, 2008 | Samsung HCN4226W 42" Rear Projection...

2 Answers

Samsung tv wont turn on


I had a similar problem and turned out to be the convergence board. Here is the part # and where I got it from. http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx

Dec 28, 2007 | Samsung HCN4226W 42" Rear Projection...

7 Answers

Samsung HCN4226WX/XAA Rear Projection 42" TV Wont Turn On


take off the back there is a board at the top right with two black stk-392-040 chips on it unplug the red connector at the left side of the board then plug set up and see if it comes on if so the chips on the board are bad or replace the board about $100.00

Aug 02, 2007 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Samsung HCN4226W 42


Check to see if you have the 117 volts you need to power the Flyback Transformer. You can test this at the connector labeled CN801 at TP61 and grd. If you do not have power here check the fuses around the T801S Transformer. They are little green components that look like resistor and labeled with an FD.

Nov 05, 2006 | Samsung HCN4226W 42" Rear Projection...

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