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Hi so I have a Samsung HLN437W DLP TV. I hadn't turned it on for about 4 months. Was working. Now nothing turns on at all, no fan, nothing? Ideas?

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Posted on Jan 02, 2017

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SOURCE: Samsung tv model HLN437W

first you want to check the lamp, if you see the set from the front you want to go to the left side(on the side not the back) and you will see on the side lamp cover only one screw remove it and you will be able to see the back of the lamp 2 screws take lamp out and inspect it , if bad replace it. some sets will have lamp part number on the side also.

Posted on Jul 05, 2008

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SOURCE: the tv says 'check fan

Everything you need to know is right Here

Posted on Jul 06, 2008

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SOURCE: My Samsung 50" DLP HDTV keeps humming when the DLP lamp comes on.

Hi, you have one of two problems, either the color wheel is going or one of the cooling fans are going, the color wheels are a very common problem in samsung dlp`s, sorry I can`t nail it to a specific part but I`d bet it`s the color wheel as they are notorious for failing in samsungs, video-tek

Posted on Mar 26, 2009

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SOURCE: Hi.. ive got a samsung le40r7 and whenever i try to turn tv on by

Since your tv is a new model it will be IN Warranty. Call 1-800-Samsung and they will set up a service call and send your ticket to a Qualified ASC in your area. Ask if they can send a Samsung Field Engineer to repair your tv. They are nmch more highly trained and you will have a better repair experience.

Posted on Jul 17, 2009

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SOURCE: Samsung 50" DLP TV turns itself off

My Samsun DLP turned off and “Screen Freeze”. Fixed it. How? Well, after reading lots of posts I almost purchased a new $136 bulb but decided to give it one more look. Turns out there’s a small switch inside the TV that needs to be depressed at all times. Samung put this switch there to turn the TV off if the rear panel is removed to protect people from harmful UV radiation. I just moved into a new apartment so it must have become unsettled.

I took my back plate off, pushed the button up and down several times then carefully replaced the panel. Note, the panel has a sort of plastic finger jutting out. Make sure this finger is firmly pressing the switch down. If not, wrap some tape around it to make the finger fatter. Dude, use black electrical tape so you don’t start a fire, OK?

So, my TV came back on and I danced a little jig in the living room. Then I started switching channels and everything froze when I got to channel 68. This didn’t look good. I read more posts about people getting this and simply returning the TV. Oh no! Well, I unplugged the TV several times and got bupkis. Frustrated, I finally pulled the power strip off the wall and plugged the TV into the wall. I got a blue screen and when I switched the channel back to 5 it started working. Danced a little jig. Plugged the antenna power into the wall, got better reception, channel surfed to 68 again (don’t ask), and got screen freeze . . yet again. Why? Unplugged the TV several times and got bupkis.

Then the bulb in my head finally went on. My Samsun does NOT like channel 68 but I could NOT get it back to channel 5. Every time I plugged the TV back in it turn on at channel 68 and froze. Ah, unplugged the antenna again, got the blue screen . . again . . and I was able to change the channel back to 5. Danced a little jig.

Hope this helps sooooooomeone.

Posted on Aug 12, 2009

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1 Answer

I have a Samsung HLN437W DLP TV I turn it on and in about a minute there is no picture or sound and you have to turn it off you have to unplug it

That problem is usually have 2 causes..Its either power supply board or main board..

Please take this steps on how to determine the problem:
1. Open the back cover.
2. Check the power supply output...It should have 5vdc for the main board..12vdc or 16vdc for the audio and 24vdc for the back-light inverter..
3. If those 3 voltage supplies have encountered voltage drop...The problem could be on power supply board..
4. If the power supply output is normal..The problem could be on the main board...
5. If the problem is power supply you should check if the capacitors are bulged on the top and try to replaced it..If you can't do that you can purchased new power supply board..
6. If the problem is on main board there is no D.I.Y repair on that so you need to buy a new main board that fits to your TV..
Hope this solution will be helpful..

Thanks for using fixya...

Dec 23, 2011 | Samsung HLN437W 43" Rear Projection HDTV

1 Answer

Samsung dlp HLN437w (GREEN lamp and RED temp)-same time flashing. lamp and housing has already been replaced whats next?

If the Ballast board is not working Lamp will not come on,if the Lamp Fan is defective Lamp will not Light or stay on.
Go to Encompass Parts Distribution and Look up your Model#
they have free service manual for this TV.

Dec 28, 2010 | Samsung Televison & Video

1 Answer

Not really, tv is 6-8" from wall and nothing blocking vents, worked fine in same location for 10 months. could dust cause this type of overheating?

10 months is a very small amount of time of dust problem but try to have a look to the fan near the lamp to see if it runs you should feel
the heat comming out

Sep 30, 2010 | Samsung HL-S6767W DLP TV

1 Answer

Samsung DLP turns on and off - cycle repeats

make sure put the lamp door back before trying to turn it on because they have switches on them that allow the tv to turn on. If that is ok you probably have a bad ballast.
Call a local tv repair shop to further diagnose the problem.

Dec 10, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

My Samsung 50" DLP HDTV keeps humming when the DLP lamp comes on.

Hi, you have one of two problems, either the color wheel is going or one of the cooling fans are going, the color wheels are a very common problem in samsung dlp`s, sorry I can`t nail it to a specific part but I`d bet it`s the color wheel as they are notorious for failing in samsungs, video-tek

Mar 17, 2009 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

I have an HLN437W and it won't turn

The problem is the fan behind the bulb or the fan behind filter.

Mar 01, 2009 | Samsung HLN437W 43" Rear Projection HDTV

1 Answer

No sound, just clicking noise

Is your TV a SAMSUNG DLP TV Model HLN437W Rear Projection Digital HD?


mobile phones: 1-888-987-HELP(4357)
  • Mon - Fri : 7am - 9pm (CST)
  • Sat : 9am - 6pm (CST)

digital HDTVs: 1-800-SAMSUNG (1-800-726-7864)
  • Mon - Sun : 9am - Midnight (EST)

printers: 1-800-SAMSUNG(726-7864)
  • Mon - Sun : 24hrs

IT Products for Business: 1-866-SAM4BIZ(726-4249)
  • Mon - Fri : 9am - 9pm (EST)

All other products: 1-800-samsung (1-800-726-7864)
  • Mon - Sun : 9am - 9pm (EST)

To see PHOTOS of REPLACING a SAMSUNG DLP TV ballast go to:

Hope this is helpful.

Good Luck!
Jack iaria

Nov 25, 2008 | Samsung HLN437W 43" Rear Projection HDTV

1 Answer

The tv says 'check fan #2. samsung dlp model # hln437w/xaa

Everything you need to know is right Here

Jul 06, 2008 | Televison & Video

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