About the IC3600TFMA1
The IC3600TFMA1 is a printed circuit board component for the Mark I system. This board also fits into the Mark II system. The MKI and MKII were released in 1969 and 1973 respectively and were the first of the Speedtronic gas/steam turbine management systems created by GE. With a design divided into four functional parts (Control to deal with normal operation, Protection to provide an independent back-up, Sequential system to provide for automatic startup/shutdown, and a self-contained Power Supply,) the MKI and MKII were created with circuitry designed for absolute maximum reliability, but with sub-system/fail-safes built in so that any conceivable failure will be a fail-safe one, with annunciated alarm and a tripped back-up.
The IC3600TFMA1 has a narrow front panel. This silver panel is designed with two red LEDs positioned halfway down the panel. There is a single toggle switch located near the bottom of this panel. The toggle switch is wired to the PCB using surface wiring. The front panel attaches to the PCB using two screw mounts. Surface wiring attaches from one of these screw mounts and runs to a through-hole on the other side of the board marked “GND.”
The IC3600TFMA1 is built with a single “Elec-Trol” relay. One of the four transistors on the board is located next to the relay. The board is built with a single potentiometer, which may be used to calibrate circuits. The board has five integrated circuits. The board has many diodes and resistors, which are often mounted to the board vertically. The board uses both metal film and carbon composite resistors.
