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thanks for these, i have found them very usefull and was wandering if you have a schematic for any model sony vaio vgn-tt (PCG-4R1M) mbx 191, i have looked every where and cannot find.
tnx
kev
hi i was hoping someone here would have an answer to this, i have a dell 1530 motherboard (nvidia 8600 graphics) which is in need of a new gpu, as i was taking it apart i noticed that there are two empty gddr3 slots and two ocuppied, i was wandering if it is possible to uprade from 128mb gddr3...
yes, i have already shorted the pads before i found the faulty resister and still no charge or no boot, maybe i should replace the two faulty parts and see if it will charge and maybe power on, the schematic puts this as part of the ac and battery precharge detector, and maybe i'm not reading it...
thats brilliant ! thanks, its funny you would say pr9 lightly damaged as well, the one thing i didnt say was that once i had tested pr9 i had a closer look and it indeed did have a small burn mark at the bottom of it and also the value was no longer legible on the surface, whereas the resisters...
looking at the image, would i be right in assuming that the current flows from pq4 to pd4 then to bat+ or is it the other way around ? i have checked continuity between pd4 / pq4 then pq4 / pr9 then pr9 / pd3 and there is no break however when i test pr9 using my testers set to 200 ohms the...
Hi there
i have a faulty acer 5315 / compal la-3551p motherboard with no charge light, no power up and the fault that i know of is a burnt out RB751V-40TE17 which i believe from a bit of research is a 40V 30MA SOD-323 Schottky barrier diode, i have removed the broken diode and was wandering if...
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