General Electric (GE) created the IC3600SVSE1H1D for the Mark I-II turbine control series. The Mark I and Mark II were the first two series produced in the Speedtronic Mark series. The IC3600SVSE1H1D is a printed circuit board, sometimes called a PCB. This board is what is known as a speed sensor circuit board.
Along the left edge of the IC3600SVSE1H1D, there is a series of seven (7) potentiometers. These potentiometers are blue. Six (6) of the potentiometers are the same size, but the seventh is smaller. These potentiometers are also known as variable resistors because they each contain a small knob which is used to change their resistance. One (1) silver capacitor is situated among these potentiometers. Another potentiometer which is black can be found near these blue potentiometers. The IC3600SVSE1H1D features seven (7) integrated circuits. These devices all contain a collection of small components such as capacitors, diodes, and resistors. Two (2) rectangular capacitors are positioned on the IC3600SVSE1H1D near the blue potentiometers. One of these capacitors is red and the other is orange. The IC3600SVSE1H1D contains three (3) round silver transistors. Two (2) of these transistors are small and the third is larger. Four (4) other transistors which are black and shaped like half-circles are positioned in various spots around the IC3600SVSE1H1D. Many resistors and diodes can be seen all over the IC3600SVSE1H1D arranged in lines. Many of these resistors are light blue with bands that are red, black, orange, yellow, green, and other colors. The other resistors are red and also contain bands with many different colors.