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Page Title: Figure 2-68. Gyroscopic reference unit power cable removal.
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TM 5-6675-250-34
Table 2-1. Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Figure 2-68. Gyroscopic reference unit power cable removal.
Step 5. Check for defective ECU.
Replace existing ECU with an ECU that is operable, by disconnecting and connecting
power cables ( fig. 2-69).
Figure 2-69. Disconnecting power cables.
If the system operates correctly with the new ECU, report the bad ECU to the next
higher level of maintenance.
12. BRAKE ON INDICATOR FAILS TO EXTINGUISH FOLLOWING 90-SECOND BRAKING PERIOD
Step 1. Inspect printed circuit board for evidence of damage or failed components.
a. Loosen the eight captive screws and lift the electronic control panel assembly from the case (fig. 2-70)
Change 1

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