TM-9-1200-215-34&P Technical Manual for M109 Automatic Fire Control System (AFCS) Download
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TM 9–1200–215–34&P 2–7 b. Figure 2–3 depicts the location of each of the major replaceable assemblies in the ACU. Figure 2–3. AFCS Control Unit Exploded View 7 1 2 3 4 6 5 8 9 10 11 12 13 LEGEND: (1) TOP PANEL (2) EMI GASKET (3) CONNECTOR PANEL ASSEMBLY (4) EMI GASKET (5) HARD DISK DRIVE COVER (6) HARD DISK DRIVE (7) 1553 CCA (8) DISCRETE I/O CCA (9) SERVO CONTROLLER/INTERFACE CCA (10) TCIM CCA (11) CPU CCA (12) POWER SUPPLY ASSEMBLY (13) BACKPLANE