Samsung 244t lcd monitor

[Ocho]

My display died slowly, started with slow boot, then finally just died. I opened it up and found a few capacitors on the power supply board were bubbled out. I made a mistake of buying capacitors with no regard for ESR. I've since replaced those new capacitors with newer Low ESR capacitors. It hasn't booted yet, but I haven't replaced all of the capacitors yet so that's my next step.

To the point, my question is, How low is Low ESR? I have no clue about ripple current or any of that other jazz. I can solder decently, that's about it.

Panasonic ECG series is what i have in there now,
http://search.digikey.com/scripts/DkSearch/dksus.dll?WT.z_header=search_go&lang=en&site=us&keywords=P14938-ND&x=12&y=15

But I'm not sure that's enough, or to much. I want to replace the remaining but I don't want to buy the wrong cap's again.

The remainder of caps I need are;
10uf 50v
47uf 63v
47uf 50v (x3)
100uf 10v
10uf 50v

and the big one, 100uf 450v. Now this cap I've seen for sale between $3 and $170. Couldn't tell you the difference to save my life. But I do know I am not spending more then $5-$10 on that capacitor.

[retiredcaps]

Re: Samsung 244t lcd monitor

I've since replaced those new capacitors with newer Low ESR capacitors.

Here is my standard answer regarding replacing capacitors including an example of how to replace caps with respect to ripple, ESR, uF, and voltage (regulars may skip).

https://www.badcaps.net/forum/showpo...84&postcount=3

PCBONEZ talks about ESR, ripple, etc

https://www.badcaps.net/forum/showpo...30&postcount=7

[Ocho]

Re: Samsung 244t lcd monitor

Ok, let's see if I have this straight.
Bigger can is better can,
Lower ESR is better,
Ripple current is not what your bed sheets do when you fart, but just as good.
For my application Panasonic FR series is recommended, however FM and FC are suitable replacements.
If all else fails, ask yourself, What Would McGyver Do? (WWMGD)