XBox One - ADP-200BR - No Power

[nrcslim89]

Re: XBox One - ADP-200BR - No Power

check q901

So Q901 is one STD6N62K3

I took it out from the board and i measure continuity mode.
I get Beep between PIN 1 = Gate and Pin 3 = Source.

And linked to it i have that two resistors we talked.
I think they are bad... but don't know the value... of it...
One i think was labled 3R0 = 3Ohm
And the other no label possible to discover ... schematic would be important.

Seems i have short or bad Q901 right ?

[nrcslim89]

Re: XBox One - ADP-200BR - No Power

Well hope this could be helpfull check the image. this is near the area that converts AC to DC correct ? because on the other side of the board i have one transformer.

[stj]

Re: XBox One - ADP-200BR - No Power

q901 was driving the small transformer.

[nrcslim89]

Re: XBox One - ADP-200BR - No Power

q901 was driving the small transformer.

Yes correct it drives the small transformer I believe it is 5V transformer.
But no legs should be beeping between Gate and Source correct ?!

[stj]

Re: XBox One - ADP-200BR - No Power

no, never

[nrcslim89]

Re: XBox One - ADP-200BR - No Power

no, never

Oh on that case seems that I have a bad transistor.
Because outside it beeps

[stj]

Re: XBox One - ADP-200BR - No Power

desolder it and see if the short is on the transistor or the board.