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Crumbtrail TV Forums: TV Equipment: TV Repair Forum:
Samsung LE52M86BD 52" faulty BN44-00150B PSU

 

 


Escribblings
New User

Dec 21, 2019, 9:30 PM

Post #1 of 3 (846 views)
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Samsung LE52M86BD 52" faulty BN44-00150B PSU Can't Post

Hi.

Have the dreaded clicking TV on power on, but it will EVENTUALLY turn on and otherwise works ok.

I've already taken it all party once, and the 4 1000uf 25v caps were obviously blown.

We've already replaced these with 1000uf, 25v, 105°C

Having looked online it seems that the repair kits for this revision contain 9 caps, the 4 25v that I've already replaced, plus 5 10v that "looked" ok.

I'm planning on getting decent Japanese caps and replacing the lot, but I do have 1 question...

Should I up the v rating?

Should I put 16v or 25v in place of the 10v? And 35v or 50v in place of the 25v?

I was planning on 16v and 35v - but then I stumbled across the minefield that is ESR, and don't know if the increased voltage capacity would cause an ESR issue in this instance.

Photos here: https://photos.app.goo.gl/wL8XCqSjohnNxY677



jts1957
Veteran


Dec 23, 2019, 9:46 PM

Post #2 of 3 (830 views)
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Re: [Escribblings] Samsung LE52M86BD 52" faulty BN44-00150B PSU [In reply to] Can't Post

Changing v rating should neither hinder or help. WILL likely increase the size of the capacitor as you go higher. As long as space is no object...


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Escribblings
New User

Dec 26, 2019, 10:56 PM

Post #3 of 3 (803 views)
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Re: [jts1957] Samsung LE52M86BD 52" faulty BN44-00150B PSU [In reply to] Can't Post

Well I've replaced the caps with Panasonic FMs.

Still clicking.

Where do I look next?

 
 
 


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