Question about Samsung HCM4215W 42" Rear Projection Television
This has nothing to do with the power cord. The tv shuts down because a part (or the soldering to it) fails when heated.
On a tv this old it's almost always the filtering capacitors from the power source: when heated they lose their filtering capacity so the voltage which they are supposed to stabilize becomes erratic so the tv's control processor crashes, shutting down the tv. This is how you replace them
But you must inspect every single soldering in there, with a magnifying glass, to avoid some nasty surprises later on.
Posted on Jan 04, 2011
This may not be the power cord as you think , if so the cord must have a poor contact with the mains plug which makes less contact heating the points to spark and cut off. If so use a low grade emery paper to clean the plug points of the TV. make sure there is good connection with the mains socket. if this is the plug , you can cut the plug off and install a new one.
However if you want to change the power cord, buy a good replacement type with the correct rating , remove the rear cover, take the power cord wires from the main board and replace.
Please check your power supply, the main mother board for possible DRY SOLDERING JOINTS that seems to cause this shut OFF's.
Posted on Jan 03, 2011
Why do you think replacing the power cord will cure the problem? It most likely won't. The chances are that it is switching off due to overheating. Have you checked any fans fitted are spinning properly or are not blocked with dust. If ther are no fans there is probably a capacitor in the power supply needs replacing.
Posted on Jan 02, 2011
This is an internal failure. This is not a problem with a fuse or power cord. This is really common on this set. Before we proceed further, wanted to have few more details :-
1. How old is the set?
2. Any noise that you hear?
3. Is the picture is fine when you turn on the TV?
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Jan 02, 2011
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Posted on Jan 02, 2017
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