It is possible to purchase a replacement PCB for the MB153SP-B. If your unit is within the 3 year warranty from date of purchase, the board would be covered under warranty. We would need proof of purchase for verification on warranty over email.
Please file a RMA request on this site here: https://www.icydock.com/rma_form.php
If you seek to purchase a replacement PCB, please file the RMA request and send an email to firstname.lastname@example.org