Samsung 32inch tv with blinking red light 5 times

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Samsung 32inch tv with blinking red light 5 times

Postby BGA_netherlands » Wed Jun 17, 2015 12:55 am

I have here a Samsung 32inch tv that won't turn on. When i press the button i get a red flashing light 5 times and stop for a few seconds and then again 5 times.
When i turn power on i hear a buzzing sound and a click. (not a relay click but something else) I have messure the voltage but it's not stable. It go up and down when i hear the click.

I have look to the caps the look good. Also have test a few caps with ESR meter.

Who have this problem see before and where you able to fix this?
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Samsung 32inch tv with blinking red light 5 times

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Re: Samsung 32inch tv with blinking red light 5 times

Postby koubik » Wed Jun 17, 2015 7:21 am

Model and some pics would be great.
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Re: Samsung 32inch tv with blinking red light 5 times

Postby Deus » Wed Jun 17, 2015 7:28 am

When testing the caps, did you remove them first?

Sounds like a power issue.
Had that problem with my 40 inch samsung tv too.
Replaced caps and problem fixed.
Saved me over 250 euro compared to samsung official repair center.

Not saying your's is the same, just my experience.
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Re: Samsung 32inch tv with blinking red light 5 times

Postby wills123 » Wed Jun 17, 2015 2:42 pm

model number wud help, alot of samsungs if you disconnect the mainbaordfrom psu, it will make psu come on an show backlight on tv,very useful for testing, so worth a try, heres one i did before viewtopic.php?f=88&t=3906 ,also just done a le40a that had corrupted the eeprom on the main board becuase of a electic surge,was an easy fix buy shorting twopins on the eeprom,google it if you suspect that to be the case ;)
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Re: Samsung 32inch tv with blinking red light 5 times

Postby D4Rk » Thu Jun 18, 2015 4:41 am

With Samsung tvs its usually always the caps.
Thats what happens when they use cheap components. :facepalm:
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Re: Samsung 32inch tv with blinking red light 5 times

Postby BGA_netherlands » Thu Jun 18, 2015 2:04 pm

Model is LE32A330

I don't want to replace a board. I can learn more to find the broken component and fix that. Also it's cheaper to change some caps.
Messure the caps with ESR meter and they look oke. (They look also oke)

I have tried to disconnect the mainboard from PSU but nothing change.
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Re: Samsung 32inch tv with blinking red light 5 times

Postby Deus » Thu Jun 18, 2015 2:24 pm

You should check the datasheets for the caps first.
Most likely it are LOW ESR caps.

They probably (haven't compared or tested myself yet, just thinking) have different ESR readings.
ESR meters don't know the difference between generic or low ESR caps, you have to compare with datasheets.
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Re: Samsung 32inch tv with blinking red light 5 times

Postby koubik » Thu Jun 18, 2015 2:51 pm

1.What have you tested so far.
2.Post all voltages on CN1001
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