Canon FY8-13FW-000DADF-A1 Service Manual
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COPYRIGHT © 1998 CANON INC. CANON DADF-A1 REV.0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2-53CHAPTER 2 BASIC OPERATIONIII. POWER SUPPLYA. OutlineFigure 2-301 is an outline diagram of the machine’s power supply system.The machine’s power supply is provide by its host copier with 24 V (24 VP, 24 VL).24 VP is mainly used for loads, and is cut off when the machine is opened or its upper cover isopened. The circuit breaker (CB1) operates to cut off the power to protect the circuit in response toovercurrent.24 VL is converted by the regulator into 5 V, and is used by the logic system and sensors.The fuse resistance (R26) melts in response to overcurrent in the circuit, thereby cutting off thepower and protecting the circuit.Figure 2-301RF switch(MS1)J2-3 COMJ2-4 NOJ3-1 COMJ3-2 NOUpper cover switch(MS2)Circuit breaker(CB1)Fuse resistance(R26)Copier24VL24VPJ1-6 5VJ2-1RegulatorIC (Q14)LogicDADF controller PCBSolenoid(SL1 through SL4)Clutch (CL)Motor (M1, M2, M3, M4)Brake (BK)Sensor (S1 through S14)Original width detectingvolume (VR)Re-circulation motor (M4)Indicator LED(LED101, LED102) |
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