Question about Televison & Video
Samsung LE46B650 loses picture after a few minutes of been on but still have sound
Check all the voltages that comes to its back-light inverter, from the main power supply regulator board. Check for any loose connections with the connecting wires in between. Re-seat all of it once and check. Back-light shuts off; after some time by anyway, is the problem to your TV. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
Posted on Mar 20, 2014
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Posted on Jan 02, 2017
SOURCE: Lose picture became dark
look to solve this problemthree suggestions 1st check cables if they r properly connected 2nd check mak sure that its ont he right channel 3rd last if my fist two steps didnt work call tech support
Posted on Jul 23, 2008
My Samsung LNT4669F has two problems..the first is that it takes about
3 minutes to turn on. The red light at TV bases flickers on and off but
the sound is there back and forth..Finally, the wite light at base
turns on and the TV makes a noise as if it just got turned on and it
stays on..why does it take so long?
Secondly, sometimes, the HD channels flicker so badly that I cannot even watch TV..so badly that sometimes the picture is blank..however, the regular channels are fine..Can you help?
Posted on Mar 08, 2010
Tv has no picture or sound; will go out while watching. The picture will go into a line and sound and picture will go out; shortly after that tv will turn off. Did this last nite and I did not turn back on until this morning, it worked no problem. On for couple of hours and now it's out again. What could be problem and how do I fix myself
Posted on Jan 21, 2011
0ne of 3 has failed:
(in order of probability):
1. Backlight inverter
2. Power Supply
Please seek the expertise of an experienced TV repair technician - as they contain potentially lethal voltages that must be properly discharged before work can begin.
Posted on May 27, 2011
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