TM 1-1270-476-30
1-15
1-11. DESCRIPTION OF ELECTRONIC CONTROL AMPLIFIER (ECA) ASSEMBLY
The ECA assembly is mounted to lower aircraft interface assembly. The assembly contains azimuth and
elevation circuits and provides drive voltages to the drive motors in the azimuth gimbal assembly. Servo
CCA A4 contains electrostatic discharge sensitive (ESDS) devices and requires special preparation for
storage and shipment when removed from the ECA. Major assemblies are:
Servo CCA A4
DC amplifier CCA A2
DC amplifier CCA A3