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Page Title:
TABLE NO. 3-23. Multimeter Does Not Indicate 1.0 6 0.2 Vdc With LATL ACCLRM Switch Place To SIM STAB 1, SIM STAB 1&2, And SIM... |
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  TM 1-6625-735-14
TABLE NO. 3-23. Multimeter Does Not Indicate 1.0 6 0.2 Vdc With LATL ACCLRM Switch Place To
SIM STAB 1, SIM STAB 1&2, And SIM STAB 2. (Cont)
TEST OR INSPECTION
CORRECTIVE ACTION
2. Place LATL ACCLRM control to SIM STAB 1. Multimeter shall indicate 1.06 0.2
vdc.
Step 1. If multimeter indication is not correct, replace switch S15.
Step 2. If multimeter indication is correct, go to 3.
3. Connect multimeter between LATL ACCLRM SIM STAB 2 and SIG GND test
jacks. Go to 4.
4. Place PITCH RATE GYRO control to SIM STAB 1&2 and then to SIM STAB 2.
Multimeter shall indicate 1.0 6 0.2 vdc in each position. Go to 5.
5. If multimeter indication is not correct, replace switch S15.
TABLE NO. 3-24. Multimeter Does Not Indicate -3.05 6 0.33 Vdc When LATL ACCLRM Switch Is
Placed To SIM SAS 1.
TEST OR INSPECTION
CORRECTIVE ACTION
1. Connect multimeter between LATL ACCLRM SIM SAS and SIG GND test jacks.
Go to 2.
2. Place LATL ACCLRM control to SIM SAS 1. Go to 3.
3. Turn LATL ACCLRM control throughout its range from fully counterclockwise (L)
to fully clockwise (R). Multimeter shall indicate -3.056 0.33 when LATL ACCLRM
control is fully counterclockwise and shall indicate 3.05 6 0.33 when LATL ACCLRM
control is fully clockwise. Digital multimeter shall indicate a continuously adjustable
voltage from counterclockwise to clockwise position.
Step 1. If multimeter indicates 0.0 vdc, go to 4.
Step 2. If multimeter indication changes abruptly from -3.38 to 3.38 vdc, replace
potentiometer R6.
4. Check switch S15 for continuity.
Step 1. If continuity exists, replace circuit board assembly A2.
Step 2. If continuity does not exist, replace switch S15.
3-23
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