My samsung tv won't turn on and flicks on and off

SOURCE: Initially No Picture when Turned on but sound normal and 5 minutes later Picture is all RED and then Picture becomes NORMAL (all normal colors)

theres a high voltage block that all three of the anode leads attach to and sometimes a small crack happens across this block and will not let some or all of the crt's get the high voltage all at once untill it heats up a bit. now if this is not your problem i would make sure that all three crt sockets are attached to there tubes all the way as maybe justy maybe there loose and will only work after ther expand a bit. Now another problem that could cause this problem to occor origially would be that someone left off a crt ground strap and the crt arched and popped and caused the problem with the High voltage block. And no I cant see a tube being bad then comming on at first UNLESS when you say the red comes on is the picture all red with small retrace lines(small white lines)in the screen with no picture except for red???? No video only a red blank screen is what i mean. If thats what its doing then yes Ive seen heater to cathode shorts on a picture tube that would cause this problem but to be sure your really gonna need to have the set looked at.. Good Luck

SOURCE: TV not turning on.

Mine was doing that and I ordered a replacement power supply board for it and now it work. It's fairly easy to replace.

http://www.partstore.com/GetModel.aspx?MfgName=Royal+Philips+Electronics&BrandName=Philips&ModelNumber=37PF7320A37&page=16

SOURCE: Samsung LN-S3241D HDTV LCD snowy display

The main board may cause this problem. If it wass happened when you play DVD, so the main board needs replacing.

Sonny Berry

• 8617 Answers
• Posted on Aug 28, 2009

SOURCE: Samsung HLP4674W - changed bulb - still no picture - lights flash

If the lamp has been replaced I would think the Lamp ballast would be most likliest followed by the color wheel and then the Digital board. You can get any part needed for your model at www.tvrepairworld.com just leave them a email they respond quickly.

SOURCE: When I turn the tv on, no picture and only the stand by timer

Sound to me like your video amp failed on the C board. This board connects directly to the back of the CRT tube. It actually has the letter C on it. The video amp is IC702, PN: TDA6108JF. You can locate a vendor for the part by googling the provided PN. This amp is fairly cheap and not too difficult to replace if you can use a soldering iron. However, you must apply heatsink compound or it will over heat and fail more quickly. You should be able to get a tube from the same vendor as the amp. I hope this was helpful, best wishes.