Table 3-1. Controls, Indicators, and Connectors - Continued

ARMY TM 5-6675-309-14

MARINE CORPS TM 08840A-14/1

Table 3-1. Controls, Indicators, and Connectors - Continued

Function

Control, indicator, or connector

COMP FLG SET*

Used to measure COMP PS computer flag set signal

Used to measure COMP PS off signal

OFF

SELF TEST

Test Jacks:

TIMER 2 SEC

Used to monitor PSTS 2-second timer signal

TIMER 1 MIN

Used to monitor PSTS 1-minute timer signal

Used to measure overvoltage source for inverter driver

OVERVOLT +INV DR

Used to measure overvoltage source for +5V supply

O V E R V O L T +5V

Used to measure overvoltage source for precision +15V

OVERVOLT PREC +15V

supply

Used to measure overvoltage source for precision -15V

OVERVOLT PREC -15V

supply

+28V

Used to monitor PSTS +28V supply

-10V

Used to monitor PSTS -10V supply

Used to measure overvoltage source for +17V

OVERVOLT +17V

Used to measure overvoltage source for lamp supply

OVERVOLT V LAMP

Used to measure overvoltage source for memory +15V

OVERVOLT +15V MEM

Used to monitor PSTS +10V supply

+10V

Used to monitor reference voltages

REF

Used to monitor PSTS shutdown* control signal

SHUT DOWN*

Used to check operation of PSTS switches

SWITCH TEST

Used to check current source calibration

CUR SOURCE

Test jack for power return

PWR RTN

Used to check current source calibration

1 OHM

MODE switch

Switch Position

Used to test PS battery charger by simulating a low battery

BATT SIM 4A

Used to test PS battery charger by simulating a charged

BATT SIM 1A

battery

Allows measurement of unloaded power supply voltages

NO LOAD

Used to test power supplies under fully loaded conditions

FULL LOAD

Used to test ac power supplies under unbalanced (rectified)

+RECT

LOAD

load conditions. Polarity is +

Same as +RECT LOAD except polarity is -

-RECT LOAD

Used to test power supply overload protection circuitry.

OVERLOAD

The OVERLOAD mode is activated by INITIATE

switch.

3-3