Re: Samsung UN32N5300 SmarTV -2018
in hindsight, that would have been the smart thing to do. As noted earlier, I didn't see the issue with the board in earlier pictures. Given the cost of this cap, I'll go ahead and order it and report back.
Thank you
Samsung UN32N5300 SmarTV -2018
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Re: Samsung UN32N5300 SmarTV -2018
I would of swapped the cap from the replacement board to the faulty board as a quick test, these type of capacitors we see a lot failing on psu s on various samsung threadsLeave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
So you don't think this cap has anything to do with it? The TV is buttoned up, and I did all the comparisons I could.. nothing obvious.Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
Funny it didn't look bulged in first pictures. Now you have a board that you could compare voltages on. Suspect maybe bad processor or firmware.Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
The cap is usually used to connect the transformer winding to ground. digikey should have themLeave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
The only thing that I could find suspicious about the board, is this 630V Cap that is swollen and the epoxy cracked as shown in photos. It's not shorted, and it has about 2.2 nF measured capacitance. Any idea where I can get a replacement if you think it might be the culprit?
I do have a board installed in the TV and it's fine.. Would be nice to fix this one.
ThanksLeave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
You might want to read some part# off of 8 pin chips around your processor. Maybe multi voltage regulator chips.Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
Getting voltage to t-con? Data going out on lvds? Voltages on t-con?Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
processor is getting warm, crystal has some activities (loading of a scope pretty much messes it up), and eeprom has 3.3 V. I don't see 1.2 V on the board, but I do see 0.9 (core?), 1.9, 3.3,...Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
รท LEAD READS 110V NEGATIVE LEAD READS 77 V. So Differential is less than 57 vLeave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
Another though is...........have you measured the voltages at the led connector (with leds disconnected) and then power up and see what the voltage peaks to. If ithe peak exceeds the 57V then it's possibly faulty led(s).Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
Maybe someone smarter than me will jump in. Not sure if there is pfc on this board. Is that one coil for pfc or just filtering?Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
Just a quick thought. Can you check the resistance and inductance of T9101C. There have been a few issues with inductors running hot and failing in the led circuits.Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
Well worst case if rest is working is buy an inverter for your backlights.Leave a comment:
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Re: Samsung UN32N5300 SmarTV -2018
3.3 v, 5 v, 12v, 1.9 v are all present. Led voltage is about 27 V differential (not enough to turn leds on- need 54 v or so)Leave a comment:
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