Before the PCB copy board must need professional personnel to copy the board for evaluation, mainly to see what the board is used for, the function of the copy before you need to confirm whether there is IC procurement is not, whether there is a need to decrypt IC, IC can be decrypted at present, general DSP,

CPLD and other large-scale integrated circuits decryption is relatively difficult, or the price is relatively high, but also need to confirm to copy the instrumentation is a high degree of precision or the product needs to be adjusted by the product factory by prod。