Samsung UN60D6420UF no power, loud pop, and no red light
My Samsung UN60D6420UF (3D model) was first clicking on and off for a few months, but always stayed on. Now what happened, is it clicked, went blank, and then never did come back on.
I tried a few things like unplugged for 30 seconds and then plugged back in, turned back on, red light would blink 5 times. Then I held down power button for 30 secs while plugged in, then unplugged, for 15 minutes, then turned back on, and that’s when the loud pop happened on what seemed like the lefthand side.
I took a picture of the back of my tv which I can attach as well. Please help! I have all tools, multi meter, solder iron, etc
Ist dies eine gute Frage?
@jien It doesn't look like the picture came through. Can you try again? Bilder zu einer vorhandenen Frage hinzufügen
von Andrew S
Oh sorry Andrew
Here you go…
@jjen post one more of the power board but this time do the underside. Top side dies not look to bad but we can‘t see under the heatsinks. Also post images of the other boards as well (both sides please)
Did you check both of the fuses on the power board (FP801S and FP802S) with an Ohmmeter to make sure that they're both OK. Do this with the power disconnected from the TV
Sometimes a black line on the fuse case can indicate that they're blown.
If the fuses are OK and that there is now no red standby light, (is this correct?) check pin 20 of the CNM803A connector for voltage. You will have to remove the cable from the connector to get to pin 20.
With some Samsungs, the PS-On lead (I think that what it is on pin 20 check the table above to verify) doubles as the STB lead (standby power) e.g. 7.5V on standby, 11.5V when turned on and working
Be safety aware when testing as there is exposed lethal AC voltage close to where you're testing onthe power board
I tested both fuses with a multimeter, and found one was good, but the other is not.
At this point should I stall all other testing until I replace the one damaged fuse?
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