K8055 : PIC defective

Hey,
I bought recently two K8055 boards, but the PIC 16C745 for one of them is defective. :frowning: How can I fix it ?
I haven’t the asm source code.
Thanks for your answer

Please return the assumed defective PIC for inspection/exchange to:

Velleman Projects Tech. Dept.
Legen Heirweg 33
9890 Gavere
Belgium