TM 1-1520-238-T-7 11–67 11–7. SYSTEM DESCRIPTION (cont) 11–7 S U B C A 7.5 COLLECTIVE CYLINDER POSITION XDUCER (UPPER) (LOWER) 10K EXT RET FILTER LIMIT SW 2 RETRACT MOTOR MI RETRACT LIMIT SW 1 MI MOTOR LIMIT SW 1 EXTEND EXT 10K RET STABILATOR ACTUATOR ASSEMBLY D C M A H K J FILTER K J M H D C A RESET K1-6 AUDIO WARNING TO PILOT AND CPG K1-B SCU 1 STAB MAN AUDIO WARNING K1-1/2 SCU FAIL SCU FAIL ADSS AIR SPEED XDUCER NOE APPROACH MOD SEL SW PITCH RATE S U B C D 3 15 CHECK REASON 1 CB2 STAB AUTO AC PITCH RATE COLLECTIVE CYLINDER POSITION XDUCER AIRSPEED XDUCER NOE APPROACH MODE SEL SW ADSS M70-279 CB3 STAB AUTO AC EXTEND LIMIT SW 2 SCU 2 SCU 1 Figure 11–40. Automatic Mode Schematic Diagram