Help with burnt pcb + pictures

[CrazyDoctor]

Hi All,

I have this hard drive

http://img168.imageshack.us/i/wd1p.jpg/

http://img687.imageshack.us/i/wd2l.jpg/


Those are the parts on the pcb which are burnt (can easily be seen)

http://img405.imageshack.us/i/61707181.jpg/

http://img511.imageshack.us/i/25150457.jpg/


Where can I get those little parts?

I want to fix that pcb by replacing the burnt chips.


Mant Thanks!

[fzabkar]

D3 appears to be a 5V TVS diode. R67 is a zero ohm link.

You can remove the diode, and replace R67 with a piece of wire. If there is no other damage, the drive will work OK, but without overvoltage protection on the +5V supply. Just be sure your PSU is OK.

For continued protection, you can replace the diode with an SMAJ5.0A from Farnell, Mouser, Digikey, and replace R67 with a 2A picofuse.

[CrazyDoctor]

Hi fzabkar,

Many thanks for the informative answer!

Can I take the good part from a different pcb which belongs to a different HD model? - WD3200AAKS-00B3A0

See the picture:

http://img151.imageshack.us/img151/756/65367522.jpg


Best Regards,

[fzabkar]

Yes you can.

Just pay attention to the polarity stripe on the diode.

Good luck.

[craig6928]

that what we call a black fuse.

check to make sure its the right voltage and you should be good to go
make sure you put it the right way around.

mark it with a pen so you know.

dont try and put a wire across as that will damaged the drive if its got a short on it

if the main fuse has just blown it possible might start but your here click click click sounds

if so preamp damaged.