More than likely your issue is caused by a bogus power supply unit.
Take it out and check for bad diodes, burnt resistors, swollen leaky caps, etc.
SOURCE: new Sceptre 37" LCD TV does not turn on
normally the a-v cables are color coded the white goes with white the red goes with red and yellow goes with the yellow and when putting it in the dvd player if applicable it should be the same way did your tv come with a manual showing you how to hook it up
SOURCE: My Sceptre LCD TV Power turns on briefly (blue
Power supply is the place to look, look for bulging on top of the capacitors in the secondary side of the main power supply.
SOURCE: samsung lcd tv ltm1755b won't turn on (power light stays red)
Problem: Samsung LTM1755B with only a blinking yellow LED when you try to turn it
on.
Solution: I just had one of these come in. I opened it up, and found
the U501 capacitor a little suspicious looking, in that it had a
deformed top. It was a 470uF 16V electrolytic 105degC 10mm x 12mm. I
replaced it with a very good quality 1000uF 16V electrolytic 105degC
10mm x 16mm Nichicon UHN1C102MPD. After that repair, when I tried to
turn it on, the LED was yellow for a second, then green, then I got a
picture, and it appeared to work great. I then asked the owner a week
later how it was working, and they said it was working just like new!
SOURCE: my 32" Samsung lcd tv won't turn on, led is solid red
The Main bd is bad. It is not sending a turn on signal to the power supply.
2,259 views
Usually answered in minutes!
×