TM 11-5895-1090-34/TO 31 R2-2TSC-152
2-13.
Power Supplies PS1 and PS2
is applied to the power supplies via AC POWER circuit
breaker CB1 and fuse Fl. The front panel AC POWER
lamp lights when CB1 is placed in ON position. An
elapsed time meter (M3) indicates operating time of the
Power supply PS1 furnishes +15 vdc and -15 vdc to
unit. The + 15 vdc, - 15 vdc, and +30 vdc voltages, as
thermoelectric power monitor assembly A7 and rf low
well as ipa current, may be selected by front panel
power alarm assembly A5. This supply is rated to
STATUS MONITOR switch for monitoring on the
deliver 200 milliamperes at both voltages. A second
STATUS MONITOR meter.
identical supply (PS2) provides +30 vdc for operation of
coaxial selector switch A1S1. Power supplies PS1 and
PS2 require 120 vdc, 60 Hz for operation. This voltage
2-6
