About the 0-58703-61A
The 0-58703-61A is a regulator card by Reliance Electric. The upper left corner of this board has six transformers. The bottom left corner has three huge light blue tower style capacitors, two medium and a small PCB mount electrolytic capacitor, along with two resistors and a large black rectangle. Along the lower edge is a series of short metal pins and seven solid black resistors. The lower right corner has a medium and small PCB mount electrolytic capacitor. The upper right corner has a long white male terminal that is used as a connection and communication point between the 0-58703-61A and other circuit boards. There are also three white square buttons one has an arrow pointing up, the middle button has an arrow pointing down and the third button has an “E”. In the center of the upper edge is a large section of metal heatsink fins. In the center of the heatsink fins is a bipolar transistor that has a black wire connected to the bottom of it. The other end of that wire is connected to the circuit board just outside the heatsink fins. There is a crystal oscillator on the board. The 0-58703-61A also has at least one hundred tiny ceramic surfaces mounted capacitors. The regulator card also uses at least fifty integrated circuits ranging from large microcontrollers to EPROM and EEPROM.
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