TM 5-3610-257-14
Table 3-5. TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
FLASH WILL NOT TURN ON.
Step 1.
Check that FLASH switch set to ON.
Set FLASH switch to ON.
Step 2.
Check that flash power cord is plugged in.
Plug in power cord.
Step 3.
Check that FLASH dial is in flash position.
Set FLASH dial to desired setting.
Step 4.
Refer to direct/general support maintenance.
5.
EXPOSURE CONTROL INSTRUMENT WILL NOT "BUZZ" DURING CALIBRATION.
Check DENSITY and time unit dials for proper setting.
Set DENSITY dial to CAL and time unit dials to 000 positions.
6.
LAMPS TURN ON WHEN INSTRUMENT "ON" SWITCH IS TURNED ON.
Step 1.
Check that FOCUS switch on instrument or remote control unit is in
FOCUS position.
Set FOCUS switch(es) to off position.
Step 2.
If lamps remain on, turn off circuit breaker and refer to
direct/general support maintenance.
7.
EXPOSURE CHANGES FROM INITIAL PHOTOTUBE ADJUSTMENT.
Step 1.
Check if instrument adjustment has changed.
Adjust instrument and/or phototubes (paragraph 3-6.2b).
Step 2.
Check if camera lamp angle has changed.
Position lamps to provide even lighting of copyboard.
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