Working on a Hisense LCD40V57CA, complaint no picture, no sound the power board fuse AC250V/AC125V T6.3A blows when I removed the cover I noted the CD296 has bulged and a brownish looking stain on-top, I have not seen any other Caps that are bulged. Would this be enough to not allow picture or sound and the fuse to blow?? I was just going to replace that capacitor then install a new fuse.
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Re: Bulged - Capacitor 390uF - 250V
That brownish stuff on the top of the bulged cap is electrolyte. It's probably an input filtering capacitor. Is there another 390uF 250V cap next to the bulged one? 250V is too low for it to be for PFC filtering.
Do any other components look damaged? If the fuse has blown, it's possible some other components nearby failed as well. -
Re: Bulged - Capacitor 390uF - 250V
No I could not see any other damaged components near by at all, here is a picture.Attached FilesComment
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Re: Bulged - Capacitor 390uF - 250V
It's possible that there may also be other components blown since the fuse blew. If you do go that route, I suggest ordering at least several fuses. The cap *shouldn't* blow again, but I'm not a plasma guy, so I can say anything for sure. I hope someone more knowledgeable chimes in to guide you on what else to look at.
However, replacing that capacitor first is definitely a step in the right direction.Last edited by momaka; 04-24-2014, 07:59 PM.Comment
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Re: Bulged - Capacitor 390uF - 250V
Kidd, I'm working on a Proscan 42LA45H...It looks as though the boards are the same..
I have the same bulging of the 390uf 250v capacitor...mine didn't split on top and leak, it leaked from the bottom onto the board leaving a brownish stain.
I would like to know where I can find this capacitor...
My local shop has the smaller ones that I ned (2200uf 16v/2200uf 35v) but can't get the 390uf 250v.
I looked online and may have found one on ebay for 10.00..Panasonic
Any help is appreciated.Comment
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Re: Bulged - Capacitor 390uF - 250V
This appears to be a Qingdao Samyoung unit.My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics.Comment
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Re: Bulged - Capacitor 390uF - 250V
This is the Panasonic TS-ED 250v 390uF Capacitor, make sure the capacitor you have is 25mm or smaller.
http://www.mouser.com/ProductDetail/...Df%252bJ1H6g==Comment
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Re: Bulged - Capacitor 390uF - 250V
Did you fix the problem in the end ?Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !
https://www.facebook.com/Telford-Tel...7894576335359/Comment
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Re: Bulged - Capacitor 390uF - 250V
Mines the same flickering blinking screen but picture is good, main filter cap bulged I will replace and update, me thinks there is a trend with these caps.Comment
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Re: Bulged - Capacitor 390uF - 250V
Standard HV series from Rubycon: http://www.ebay.com/itm/1x-390uf-250...YAAOSwZjJU7VBD
Rated 3000 hours, it'll last a boatload longer though, it should be a direct fit for the one you have there, (25mm x 25mm).Popcorn.Comment
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I've got a Monitor that's not showing any video, and I found this blown Fuse. As you can see from the photos, the board location has T4AL / 250V. Any assistance is greatly appreciated. Thanks!...
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Hi people, I hope this is the correct spot to post this, I'm new to the forum.
I have an RTX 3080 Founders Edition which has a burnt up capacitor (it was in parallel with another capacitor which appears damaged too), so I am hoping to be able to identify the capacitor values and order replacements.
I hope these photos make it clear which component I am referring to:
(yes, the soldering is a bit botched from removing the blown one, I know)
I have found the board schematic (attached), but there does not seem to be a boardview available. I have never... -
Hello everyone, how can you test a thermal fuse?
I don't have a sign of life as an ohm or diode
Thank you​ -
I replaced some capacitor which is located on optical pickup pcb which is shown in the table below(PCB #2).Because it have been out of order.
Now,It works very well,But I just have found that all caps (6svpc100my and other part number as well) ,which is shown in the table below, has ultra-high ripple current spec.
It is not able to obtain any capacitor which can be a substitute for this ultra-high ripple current nichicon capacitor.
So I replaced it with samxon and rubycon's general capacitor(GP,YXA series).
I know that these capacitor will not last as long as nichicon capacitor... -
I desoldered samwha NF capacitor(50v 5.6uf) from PCB circuit of 29inch CRT TV which have symptoms of no display after I heard sound of inrush of current to TV whenever I switch on this television.
I measured ESR value of this non-polarized capacitor(samwha NF capacitor 50v 5.6uf) by means of MESR-100 ESR meter and It displayed 0.3 ohm
And When I measured its capacitance with digital multimeter and LCR-T4 Mega328 meter, It displayed 10uf from DMM and 8uf from LCR-T4 meter.
I found catalogue of samwha capacitor(samwha-catalogue_3.pdf file), which is attached to this thread,...
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