You know USB to SATA adaptation Points on a 2060-771949 PCB

[hhddrec]

Hi all Gurus!

I have here a clicking WD drive.

i need SATA adaptation points to diagnose it better (i have no donnor PCB)

my PCB is:
2060-771949-000 REV P1

i atach Picture.

Thaks in advanced

Attachments

[LarrySabo]

I believe you want to remove the capacitors marked in the following and connect your data lines to E71-E73, E75. I'll let you figure out which are Rx +/- and Tx +/-.

BTW, you can figure the above out by taking high-res images of each side, flipping the component-view image horizontally, overlaying the two with 50% transparency, aligning them and then combining them into a single image, as shown below. That lets you see where the Rx/Tx lines connect to the coupling caps.

Last edited by LarrySabo on July 5th, 2017, 11:22, edited 2 times in total.

[hhddrec]

i suppose:
c13= a+
c13= a-

But

c33 = XXXX?
cNoNumber = XXXX?

[jermy]

viewtopic.php?f=1&t=30764&p=212805#p212805

[fzabkar]

As a general rule, locate a SATA PCB with the same MCU and follow the SATA Tx/Rx differential pairs from the MCU to the SATA data connector:

http://ep.yimg.com/ay/yhst-14437584971410/2060-771959-000-14.gif

[hhddrec]

Thanks LarrySabo and fzabkar

i'll test your ideas.

thaks another time