Table 4-3. Receptacles

C1, TM 11-6625-646-15

d. Turn the FUNCTION switch to AC PWR.

j. When testing the roll channel in SAS amplifier

Observe that the function meter indicates in the green

114E3030-49, perform the following additional tests:

sector.

(1) Turn

the

adapter

ROLL

GYRO

e. Operate the rate table clockwise at the

SIMULATOR switch to R ROLL.

prescribed rate.

Observe the channel feedback

(2) Check the roll channel balance. Refer to

(cancellation) voltage on the associated AXIS meter.

TM 11-1680-201-35.

NOTE

(3) Press and release the HALF-GAIN switch.

When testing the pitch channel in

Observe the ROLL AXIS meter indication at each switch

SAS amplifier 114E3030-49, set the

position.

adapter GAIN SWITCH to GRD during

(4) Turn the ROLL GYRO SIMULATOR

rate table operation. Observe the

switch to R LIM. Observe the ROLL AXIS meter

effect on the PITCH AXIS meter

indication.

indication. Set the switch to AIR

(5) Turn the ROLL GYRO SIMULATOR

after observing the meter indication.

switch to L ROLL. Repeat (2) and (3) above.

f. Operate the rate table counterclockwise at the

(6) Turn the ROLL GYRO SIMULATOR

prescribed rate. Observe the channel feedback voltage

switch to L LIM. Observe the ROLL AXIS meter

on the associated AXIS meter.

indication.

g. Set the AXES METERS READ switch to OPEN

(7) Turn the ROLL GYRO SIMULATOR

LOOP. Repeat e and f above. Observe the channel

switch to OFF.

output voltages on the AXIS meters.

k. If no further tests are to be performed, stop the

h. Set the AXES METERS READ switch to

test set (para 4-20).

CLOSED LOOP.

i. To check the SAS amplifier half-gain function,

4-9. Airspeed and Sideslip Tests

press and hold the HALF-GAIN switch. Repeat e

Test the SAS amplifier airspeed and sideslip circuits as

through g above. Observe that the FULL GAIN indicator

follows:

goes out.

Observe that the channel AXIS meter

a. Set the AXES METERS READ switch to OPEN

indication is reduced to the prescribed half-gain

indication. Release the switch.

Table 4-3. Receptacles

Receptacles

Function

115V 400~J62 (28) ........................................... Ac power receptacle. Connects 115-volt 400-cycle ac to test set circuits.

SAS J60 (27) .................................................... Test receptacle. Connects test set circuits to SAS amplifier.

115V 60~J61 (26) ............................................. Ac power receptacle. Connects 115-volt 60-cycle ac to the air pump.

R Air (17).......................................................... Airhose fitting. Connects sideslip pressure to the SAS amplifier R

fitting.

L Air (19) .......................................................... Airhose fitting. Connects sideslip pressure to the SAS amplifier L

fitting.

P Air (22) .......................................................... Airhose fitting. Connects pitot air pressure to the SAS amplifier P

fitting.

S Air (25) .......................................................... Airhose fitting. Connects static air to the SAS amplifier S fitting.

CARD TESTER (30, 31, and 32) ...................... DEM/MOD J70 (32)-Test receptacle for demodulator-modulator cards.

Connects to the test set circuits.

AMPLIFIER J71 (31)-Test. receptacle for amplifier cards. Connects

to the test set circuits.

CALIBRATION J72 (30)-Test receptacle for calibration cards. Con-

nects to the CALIBRATION TEST POINTS (29)-J42 through J59.

MAIN CONNECTOR TEST POINTS ................ Test jacks. Connected to the corresponding pins of the SAS amplifier

(16)-J1 through J41.

receptacle.