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Samsung PS64E8005GUXXE - sound but complete black screen

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downunder:
Yes, Tim, definitely a faulty Y-main. This is not always accompanied by a short from Vs to ground. Other faults can trigger protection which goes via the flat cable from the Y-main to the digital board.

Re the caps, they may not be on your model - see pages 15 & 16 of the attached Samsung news letter for their location. Repairing the Y-main is possible if you can see anything that's burnt out or if any of the FETs measure shorted, otherwise a replacement may be the best option - Bruce

CoZeNGTX:
thank you for ur help bruce i will try repair this badboy or els i will try find a working one on ebay but there is diffrent one becouse there is alot of them that have big green capacitors thay have 7 of em and mine have 6

my card have these numbers

Model no: 58" / 63" DS YM (2L)
PCB no: LJ41-09453A
REV no: R1.5 (10/12/08)

and white little sticker have ( KB 789B A1 280 00W - BA1 )


PBA no: LJ92-01780A/B/C/D (58DS)
PBA no: LJ92-01789A/B/C/D (63DS)

cant find any good replacement on ebay if im not able to repair this

and btw i think i found these 3 ones but thay are in numbers C5067, C5069, C5068 on the card posting pics

grettings from Tim

CoZeNGTX:
some1 help me find a replacement part on ebay? would be nice to have this tv working again but there is so much models of this board so dunno witch one to take

downunder:

Search for the number on the white sticker, LJ92-01789A for the 64 inch model.

Bruce

CoZeNGTX:
does the number on the white sticker need to be exacly the same? becouse i can find alot of the LJ92-01789A with the white sticker starts with the KB 789B and the BA1 on the end

heres is one

http://www.ebay.com/itm/SAMSUNG-PN64E8000-YSUS-BOARD-LJ92-01789-/282621134481?hash=item41cd884691:g:qjwAAOSwYTVZnL63

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