Understanding the Monitor flyback transformer pin out would give you many advantages when comes to troubleshooting and repairing Computer Monitors.   
Many Monitor troubleshooter faced problems dealing with identifying the flyback transformer pin out. Here are the common Monitor flyback pinouts B+ pin, collector pulse, ground, x-ray protect, automatic frequency control (AFC), automatic blanking limiter (ABL), heater (for old monitors), G1 (brightness), G2 (depends on Monitor designs), VCC and also horizontal centering.

If possible, get some free Monitor free schematic diagrams and begin to analyse the flyback circuits pin outs and once you know each functions of these pin outs, repairing Monitor would become easier especially problems that are related to Monitor flyback transformer.