ARMY TM 9-1240-379-34
MARINE CORPS TM 04332A-34
3-1. TROUBLESHOOTING INFORMATION. (cont)
Table 3-1. TROUBLESHOOTING (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELBOW ASSEMBLY (cont)
2. NO NIGHT CHANNEL IMAGE, LOW BRILLIANCE OF NIGHT IMAGE, OR NIGHT IMAGE
FLICKERS OR MOVES.
S t e p 1. Check that regulator assembly is not defective.
S t e p 2. Check continuity of TUBE control knob and TUBE variable resistor (refer
to wiring diagram).
a. If continuity check fails, replace TUBE control knob (page
required.
b. If malfunction is not corrected, replace elbor assembly (page