asus gtx 780 direct cu 3.3v ?

[totto210]

good day and merry christmas!
Ihave this graph, gtx 780 direct cu 2 (gtx780-dc2oc-3gd5) The scheme is similar to Poseidon:
https://www.badcaps.net/forum/attach...0&d=1604596799

problem:
I did all the measurements and they all work, except for the 3.3v line.
I have a voltage drop of 0.07mV, or with a resistance of 2 ohms
Vcore and vram coils show acceptable values
I tested it on a board and the core and frame voltages are normal.
I am trying to follow the board review but it is difficult for me as it creates tension, as the video notes:
I have injected the following voltages and it consumes:
1v 11ma
1.5v 250ma
2.5v 500ma
2.9v 890ma
3.3v 390ma and short
https://drive.google.com/file/d/1pR8...ew?usp=sharing

when injected less than 3V, it does not produce a short circuit and, apparently, has a high consumption. I really don't know how much is the normal amount on this plate in that line.
On the other hand, if I inject more than 3V, a short circuit occurs.
I also took BIOS (u6), reprogrammed it and see if it's short, etc. but that doesn't work either

I found that this capacitor has a resistance between the poles of 0.06 ohms.
and the mass is the same. (c33)
That would be good?

I know there is a lot to ask for, but can you help me? Thanks!

[foshland]

Re: asus gtx 780 direct cu 3.3v ?

Hi, that is too low resistance on that capacitor, but first of all, when you say you inject more than 3V in that line.. How many volts do you inject?

[totto210]

Re: asus gtx 780 direct cu 3.3v ?

Hi, that is too low resistance on that capacitor, but first of all, when you say you inject more than 3V in that line.. How many volts do you inject?

hi foshland. do you see the video?
my psu is in : 1A max settings.
I have injected the following voltages and it consumes:
1v 11ma
1.5v 250ma
2.5v 500ma
2.9v 890ma
3.3v 390ma and short

now... i have raised the c33 and broken
and i have measured that line of c33 and short persiste. really i dont know the value of that piece... boardview is incomplete

[foshland]

Re: asus gtx 780 direct cu 3.3v ?

Hi, I didnt see the video, now I did, first try to find the short and later we will try to find that capacitor value.

Inject 3.3V limiting to more than 1A the PSU, but if you inject you will need to find what is getting hot, try with alcohol for example

[totto210]

Re: asus gtx 780 direct cu 3.3v ?

Hi, I didnt see the video, now I did, first try to find the short and later we will try to find that capacitor value.

Inject 3.3V limiting to more than 1A the PSU, but if you inject you will need to find what is getting hot, try with alcohol for example

nothing hot my friend.. i already injected that
my psu is 15v 2a only. i tried to inject 2a but consumes only 0,83a in 3.3v now---
EDIT:
i injected that voltaje-- consumes 0.80-0,90a in 3.3v
I've kept it there for 1 or 2 minutes and it just starts to warm the gpu, barely.
gpu dead?