Question about Samsung HCM4216W 42" Rear Projection Television

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TV Powers on and then shuts down and attempts to start again

I have a Samsung HCM4216W rear projection TV. It was working great and I turned it on the other day and you heard the static sound as it starts and the power up chime. I got about 1-2 seconds of sound with no picture then it turned off and attempted to reboot. It continues to do this exact process over and over until I stop it by turning it off. I removed the rear panel and turned it on. I didn't notice any lamps lighting up or any real attempt to give me a picture. I see posts around the internet with similar problems but no real solution. Some suggest it may be a dead lamp, others suggest it may be a convergence board, but no one said that they actually figured out what the problem was. Can anyone help?!?!

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Remove all connections from the tv other than rf cable. This is an hdmi lockup problem sometimes related to component video inputs depending on firmware version.

Posted on Jun 28, 2009

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Samsung hcm4216W turned off by itself loops.


Instead of typing model number of your TV (that located on right hand side and on the back of TV) you published here part number of your TV's remote control. LOL.
Anyway... If it is LCD/plasma panel that you talking about - than power supply have bad electrolytic capacitors that have to be replaced. You can recognize 'em by bulged/swollen tops (instead of flat tops of good capacitors).
This repair required soldering skills.

Mar 09, 2010 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Tv keeps shutting off , unplug it for a while it will work again but eventually shuts off again


it sounds like an over heating problem, clean out back if that does not work it most likely is a power supply problem

Jan 17, 2010 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Samsung hcm4216w won't turn on light blinks then shuts down and tries to restart again


Your problem is TV is not getting enough power so you better buy a stabilizer and make the power to go thro the stabilizer to TV then it will get sufficient power supply everything will be smooth afterwards even the voltage problem.

Oct 17, 2008 | Samsung HCM4215W 42" Rear Projection...

1 Answer

SAMSUNG HCM4215W Rear Projection HDTV shuts down


Low ohm resistors are open or poor solder connections on the bottom of a convergence IC.

You need to look at resistors in good light with magnifying glass. Bad ones may show as discolored or burnt.

The repair needs someone that has the schematic for the convergence cct, and can replace the burnt resistors or replace the whole convergence board.

http://calgaryconvergencerepair.weebly.com/index.html

If you are near Calgary, call me, if not, find someone that has done it before, preferably many times.

easyab

Aug 12, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Timer Light.


according to the book hcm4216w says ti will blink 10 times when turned on then then iluminate when on

Jul 20, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Set shuts itself off


sounds like a solder issue on the main deflection board. Check for signs of cracked or dull solder on that board. Its the large board on the right looking in from the back

Jun 30, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

No power; please help


Nicole,
Pull the back off the TV and locate the convergence board. It's up and to the right in the circuit board area and has two large black Ic's mounted on it. Locate the red colored plug to the left front of that board marked +/- 20v and unplug that. Now plug the TV back in and attempt to power it up - - - if it powers on the picture will be really messed up (unwatchable) but that will tell us if it's a convergence failure. This is the most common problem for these units with those symtoms...
Repairing it will be a snap then... Just let me know...
Bill

Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993
premtech@willapabay.org

Jun 15, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Samsung sp47Q5 rear projection


when you turn on the tv you should get that static feeling when you toch the srcreen. if not then there is no high voltage

Dec 27, 2007 | Samsung HCM4216W 42" Rear Projection...

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