SIGHT SCENES ARE VISIBLE IN CREW STATION SIGHTS BUT NOT ON IOS 19-INCH COLOR MONITORS.

TM 9-6920-737-10

TROUBLESHOOTING (Continued)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 3.

Check the 208 VAC AVAILABLE indicator lamp.

a. If the 208 VAC AV ILABLE indicator lamp is OFF, go to step 4.

b. If the 208 VAC AVAILABLE indicator lamp is ON, set AC MAIN POWER circuit

breaker OFF, then ON.

c. If circuit breaker trips again, notify Organizational Maintenance.

d. If AC MAIN POWER ON indicator lamp lights, return to IOS and perform Log-On

Procedure (see 2-131)

Step 4.

Check Electronic Power Distribution Panel in Computer Shelter.

a. If red flag on circuit breaker I is showing, set circuit breaker to OFF then ON

b. If circuit breaker trips off showing red flag, notify Organizational Maintenance.

c. If circuit breaker remains on, return to IOS and perform Log-On Procedure (see 2-

131).

SIGHT SCENES ARE VISIBLE IN CREW STATION SIGHTS BUT NOT ON IOS 19-INCH

COLOR MONITORS.

Step 1.

Check that pushbutton switch on each 19-inch Color Monitor is in ON (depressed) position.

Step 2.

Adjust BRIGHTNESS and CONTRAST controls on each 19-inch Color Monitor.

Step 3.

If steps I or 2 do not solve problem notify Organizational Maintenance.

SIGHT SCENES ARE VISIBLE ON IOS MONITORS BUT NOT ON CREW STATIONS SIGHTS.

Step 1.

Check IOS Power Panel ISU/CR/ASU DC POWER SUPPLIES ON indicator lamps.

a. If any of the DC POWER SUPPLIES ON indicator lamps are off, notify

Organizational Maintenance.

b. If all of the DC POWER SUPPLIES ON indicator lamps are off, go to step 2.

3-3