Printed circuit board, maintenance method therefor, and display apparatus

A printed circuit board, comprising:

• a base substrate;
• a plurality of wires and a plurality of pads, located on one side of the base substrate, wherein the plurality of pads are correspondingly connected with the plurality of wires, the plurality of pads comprise a first pad and a second pad, the first pad and a wire connected with the first pad are integrated, and the second pad is in contact with a wire connected with the second pad and is fixed with the wire connected with the second pad through solder;
• and
• at least one component, located on one side of the plurality of pads away from the base substrate and comprising pins, wherein the pins comprise a first pin and a second pin, the first pin is lapped with the first pad and is fixed with the first pad through solder, and the second pin is lapped with the second pad and is fixed with the second pad through solder.