This kit contains the most common electronic parts that you will need to solve many electronics problems on a WPC machine.
Fault Area Part QTY Symptom
Lamp columns TIP107 1 Lamp column is stuck on
Driver TIP102 2 Lamp row or solenoid
High power TIP36C 2 Solenoid stuck on
Pre-driver 2N5401 2 Solenoid stuck on
Diodes 1N4007 20 Switch, lamp matrix
Switch matrix ULN2803 2 Switch matrix column
18-pin socket 1 Machined socket
Switch matrix LM339 2 Bad switch matrix row
IR emitter LED 5 These overheat
Phototransistor 2 Less common failure.
Comes packaged in case.