Question about Samsung HCN5527W 55" Rear Projection Television

1 Answer

HCN5527W - Shot down burned i


I am trusting that you can advise me on the following situation. I have never had a problem with my Samsung Rear Projector until today when I turned it on started to make some wear sounds and from the back like if something was fried....then the smeel to burned plastic - the image came for a few seconds and then gone - had to unplug TV in order to avoid an explosion (seemed like). Out of the blue this happen - what are my options? what could it be?

I live in Collierville, TN in the outskirts for Memphis. Your advise would be pricelesss....



Posted by on

  • EEspinola May 18, 2008


    Thanks for your advise - very helpful. Is the repair costly? would I be better off starting to save to buy a new set or definitely consider repairing... . Aprox how much would this repair could cost? - your estimate would be helpful.


  • EEspinola May 19, 2008


    Thanks for your prompt response and helpful tips. You are great!


    Eduardo Espinola

    Memphis, TN



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More than likely the flyback transformer has failed and also the horizontal output transistor as well. it is hard to say without looking at the set if you are not a tech then you will need one. these sets are very complicated and the novice going into them risk severe shock or death (30,000 volts).

Posted on May 18, 2008

  • Robert Johnson May 18, 2008

    well again I don't know what is actualy wrong with the set, but most techs charge an est. fee to check the set out, it may be worth the est fee to find out. for instance I have an est fee of $100.00 which is applied to the finished repair and a flat rate labor of $250.00 plus parts. the est fee is applied to the labor giving the customer a balance of $150.00 + parts + tax. so check with your local tech for his (or her) price. now if it was the HOT and the flyback of your set that is bad the parts may cost as much as $65.00



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1 Answer

Where does the power cord hook up on the circuit board on my samsung hcn5527w?

The power cord normally goes through the Main switch and into the power supply section which is the SMPS. You will find the main fuse and the AC filters before it feeds to the rectifier section.

Feb 17, 2011 | Samsung HCN5527W 55" Rear Projection...

1 Answer

Samsung HCN5527W

In what way is the color off? Does it appear like a 3D movie? If so, the convergence circuit has a problem. This could be as simple as a bad solder joint on the convergence ICs or defective ICs. If you can solder, you can fix this yourself. Figure on $40-$60 for parts plus the local labor rate if you need a service center, just the parts cost if you fix it yourself.

Update this if you need further repair details.


Jun 09, 2008 | Samsung HCN5527W 55" Rear Projection...

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NEC Rear Projection TV has sound but lost picture

CK your Hori output Transistor if it is shorted high voltage will shut down

Dec 21, 2009 | Samsung HCN5527W 55" Rear Projection...

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You have failed convergence IC's, Have the convergence IC's replaced on the convergence board, Replace them both they are the Large Black IC's mounted on large heatsinks usually mounted on a seperate board above the bottom main boards, The Part # for the IC's are STK-392-040

Nov 23, 2009 | Samsung HCN5527W 55" Rear Projection...

1 Answer

What is the code to service the Samsung Rear Projection TV HCN5527W


Turn Melody off in the user menu this allows entering the Service Menu from "power on" state without using an additional lamp cycle.

With the set off, press Mute-1-8-2-Power in quick succession.

The service menu will appear for the input you were viewing before keying the above sequence in a minute or less.

Use the CH up the CH down and the select keys to navigate the Service Menu. Press MENU to return to the main Service Menu after viewing individual functions.

Later, you will use the VOL(+) and VOL(-) keys to change the Service Menu values.

I hope that this helps you, please be carefull with this information.

Sep 27, 2009 | Samsung Televison & Video

1 Answer

Bowed picture and color misalignment

Replace both STKS ICs Ck low ohm resistors 2.7ohms most of the time there will be 2 of them bad.

Jun 11, 2009 | Samsung HCN5527W 55" Rear Projection...

1 Answer

Samsung hcn5527w convergance factory reset

Sorry, I just saw this post.
I hope this helps.

Yes there is one more step. You should call the technician out and have them set up the Magic Focus adjustments. I have serviced these televisions for years and I have made this mistake and had to return to fix it. You should not have to pay for a rework. The technician should have done the complete job the first time.

I hope this helps
and good luck.

Mar 19, 2009 | Samsung HCN5527W 55" Rear Projection...

1 Answer

Picture adjustment??

you may need to adjust the convergence check to see if you can move the alignment squares

Mar 16, 2008 | Samsung HCN5527W 55" Rear Projection...

1 Answer

I need help!

the problem you are having is caused by bad convergance amplifiers along with open pico fuses internal to the set. these amps range from $45.00 to $65.00 each and both amps need to be replaced. this is a common problem with rear projection sets. these amps work very hard and are kept cool on large heat sinks. so with that a tech is needed to repair. techs may charge $150.00 to $350.00 for the labor. so shop around. as for the adjustments you made let the tech know because you may have set the settings far out of the range for the set and will cause shut down before it can be reset. the tech will know what to do. to find a factory athorized repair shop call samsung the number is in your manual or on line.
Bob Johnson

Dec 31, 2007 | Samsung HCN5527W 55" Rear Projection...

1 Answer

Perfect Focus 2

Use a site like and get the service literature for your make/model.Do NOT perform factory reset procedure-that is reserved for when certain parts are changed.You will need the access sequence,adjust info and add to memory step for servicer convergence.Keep in mind--you may have defective convergence IC's.If so,you will have difficulty w/alignment.Use OEM or better IC's no generics!! They won't hold up.

Sep 27, 2007 | Samsung HCN5527W 55" Rear Projection...

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