Mobile telephone printed circuit board having principal/additional function connection with solderised line breaks allowing specific functions bypass/use.

摘要

The printed circuit board (1) has principal functions and further optional functions. A switch (11,12) connects the functions. There are two break sections (6.2,7.2;9.2,12.2) in the printed circuit which have solder deposits at each side allowing connection or disconnection of the additional functions as required.