TM 1-1520-238-T-6 9–86 9–7. SYSTEM DESCRIPTION (cont) 9–7 NEUTRAL C5 C4 C6 CONTACTOR DC BUS TIE CR6 CR10 CR4 CR12 DC OUTPUT TO CR11 CR5 CR2 CR3 CR9 CR8 CR7 I CAUTION THERMAL F J1 D G B TRANSFORMER MOTOR FAN B C1 C2 C A C3 SENSOR THERMAL M69-353 NETWORK FILTER + + + L1 R1 C7 + TB1 GROUND - RECTIFIER CR1 B1 T1 + ØA ØB ØC Figure 9–77. Transformer/Rectifier Functional Schematic Diagram OC RECT 1 GEN 1 DC ESS BUS 3 DC ESS BUS 2 DC ESS BUS 1 CAUTION / WARNING PANEL K3 PILOT EMERG DC BUS K4 K8 T / R 1 K5 RELAY DC BUS TIE CONTACTOR CR3 CR 4 BUS TIE M69-354 RECT 2 GEN 2 CAUTION / WARNING PANEL PILOT T / R 2 K9 EMERG DC BUS Figure 9–78. DC Bus Tie Contactor Functional Diagram