HP 4515s scheme

[lord]

Hi,
I did a reball on the IGP (i was sure that this was the problem because i preheat it and it worked). So everything went well, but when i powered on the laptop the smoke come out of a tranzistor of some kind. I removed it and the voltages on the pins on the board are 30-50V



So i need a scheme to track what it generating that voltages and what is that part that let the white smoke out.

BTW Did you know that all electronic devices work on white smoke? Because when the white smoke comes out, the don't work no more

[siddiq]

Re: HP 4515s scheme

You need to show us the motherboard model.

[ala_borbe]

Re: HP 4515s scheme

try this (amd cpu descrete vga)

you really need to start giving some more details, especially if its HP/Compaq...

[lord]

Re: HP 4515s scheme

Ah, sorry. I will remember this.
It is the 585219-001 rev:4.21 Hannstar made board. I think this is the Hannstar P/N: 6050a2268201-mb-a02

Donny - this is not the scheme that I'm looking for.

[heavymachines]

Re: HP 4515s scheme

sounds like the reball went bad ........probably most likely have couple "pins" bridged underneath the igp chip .... if it worked good after a partial "reflow" then you did a reball and everything went "south" and frying components most likely you bridged a couple pins under that bga igp chip.....therefor throwing voltages out of wack.....due to short...

[lord]

Re: HP 4515s scheme

I can repeat the reball process.
Anyway i don't see a way how can this happen. I reballed chips and chips, and never have this happened, but maybe you're right, since i don't see anything else that could go wrong. Specially when it worked after a partial reflow.

[ala_borbe]

Re: HP 4515s scheme

here is your schematics but i cant download from there

maybe someone else could

http://www.elvikom.pl/forum/viewtopic.php?p=72690#p72690

[lord]

Re: HP 4515s scheme

I registered, logged in, but don't have enough points?!?!?

[selldoor]

Re: HP 4515s scheme

I dont know if it bears any resemblance but here is something for a 4520S

[lord]

Re: HP 4515s scheme

I will compare it later, altough at first glance i think it will not do.
Anyway thanks for the effort!

[lord]

Re: HP 4515s scheme

Nope. It is not the right scheme.

Still looking for it. Just so we don't forget i need a scheme for a HP 4515s motherboard. The motherboard details are 585219-001 Rev 4.21, also found a Hannstar P/N 6050A2268201-MB-A02.

Thank you very much!

Regards from Croatia,
Darko

[lord]

Re: HP 4515s scheme

sounds like the reball went bad ........probably most likely have couple "pins" bridged underneath the igp chip .... if it worked good after a partial "reflow" then you did a reball and everything went "south" and frying components most likely you bridged a couple pins under that bga igp chip.....therefor throwing voltages out of wack.....due to short...

You were right. But i didn't want to risk with the old chip so i replaced it. Anyway, how i got the picture, but evereything is RED???



It is not the screen nor the flat cable. Any one has a clue?

Thanks in advance!

[lord]

Re: HP 4515s scheme

Anybody? Red picture?

[dj_ricoh]

Re: HP 4515s scheme

yes! i had a acer with i5 that give us red tone on the screen we replace the screen and every screen got another color. the chip was reflow then all went well and work fine.
youre reball did not went well. my XP

[fddizon]

Re: HP 4515s scheme

reball again

[lord]

Re: HP 4515s scheme

Client gave up at the end. So the little HP has a red picture

[spidey]

Re: HP 4515s scheme

http://wenku.baidu.com/view/142d7a2c...122b91.html###

[evgraf]

Re: HP 4515s scheme

All scheme no mach P/N 6050A2268201-MB-A02.

[Bybuca35]

Re: HP 4515s scheme

Http://www.elvikom.pl/forum/viewtopi...p=72690#p72690