This post explains for the semiconductor AN5522.
The Part Number is AN5522.
The function of this semiconductor is TV Vertical Deflector Output.
The package is TO-220-7 pin Type.
Manufacturers : Panasonic
( LA78040 = LA78041 = TDA8172 = STV9302A = TDA9302H )
1. Power Amplifier
2. Flyback Generator
3. Thermal Protection
The AN5522 is a monolithic integrated circuit in Heptawatt package. It is a high efficiency power booster for direct driving of vertical windings of TV yokes. It is intended for use in color and black & white television as well as in monitors and displays.