TABLE NO. 3-15. Multimeter Does Not Indicate 0 6 0.2 Vdc When AS SENSOR Switch Is Placed To SIM STAB 2 Or To STAB 1.

TM 1-6625-735-14

TABLE NO. 3-15. Multimeter Does Not Indicate 0 6 0.2 Vdc When AS SENSOR Switch Is Placed To

SIM STAB 2 Or To STAB 1.

TEST OR INSPECTION

CORRECTIVE ACTION

1. Turn AS SENSOR control to a multimeter indication of 1.0 vdc. Go to 2.

2. Connect multimeter between AS SENSOR SIM NO. 2 and SIG GND test jacks.

Go to 3.

3. Place AS SENSOR control to SIM STAB 2. Multimeter shall indicate 0 6 0.2 vdc.

Step 1. If multimeter indicates 0.0 vdc, replace switch S2.

Step 2. If multimeter indication is not correct, replace circuit board assembly A2.

4. Connect multimeter between AS SENSOR SIM NO. 1 and SIG GND test jacks.

Go to 5.

5. Place AS SENSOR control to SIM STAB 1&2. Multimeter shall indicate 0 6 0.2

vdc. Go to 6.

6. If multimeter indication is not correct, replace switch S2.

TABLE NO. 3-16. Multimeter Does Not Indicate -13.5 6 0.15 Vdc When ACTR POSN Control Is

Turned Fully Counterclockwise And Does Not Indicate 13.5 6 0.15 Vdc When ACTR POSN Control Is

Turned Fully Clockwise.

TEST OR INSPECTION

CORRECTIVE ACTION

1. Connect multimeter between ACTR POSN SIM NO. 1 and SIG GND test jacks.

Go to 2.

2. Place ACTR POSN control to SIM STAB 1&2. Go to 3.

3. Turn ACTR POSN control throughout its range from fully counterclockwise (ACTR

POSN DN) to fully clockwise (ACTR POSN UP). Multimeter shall indicate -13.5 6

0.15 vdc when ACTR POSN control is fully counterclockwise and shall indicate 13.5 6

0.15 vdc when ACTR POSN control is fully clockwise. Digital multimeter shall indicate

a continuously adjustable voltage from counterclockwise to clockwise position.

Step 1. If multimeter indication is not correct, go to 4.

Step 2. If multimeter indication changes abruptly from -15.0 to 15.0 vdc, replace

potentiometer R1.

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