[SOLVED]820-2610 - Won't turn on

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pws6074

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Guys,

I know this board is old, but i need to fix!
The costumer said, after start gets gray screen and another day the computer just don't turn on anymore.


I get:
PPBUS_G3H (schematics is 6v but i get 8.2v)
PPBUS_CPU_IMVP_ISNS
PPDCIN_G3H
PP3V42_G3H

SMC_RESET_L - 3.4v

I don't get:
PP5V_S3


I replaced C7771 and works.

But the client bring back exactly the same problem.
So, i check C7771 pin 1 and i get 0.34v. Something fuck up again this capacitor.

Do you guys can help me out?
 

pws6074

New member
No Title

Duke, another one 330uF, but is more bigger then original one.
Take a look
 

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