Canon BJC-55 Service Bulletin
Also see for BJC-55 Series: Service manualUser manualStart hereUser manualSpecification
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Contents
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4.3 Power Supply Section4.3.1 Block diagram of power supply section4-39BJC-50Part 4: Technical ReferenceDC/DCConverterVcc2, Vcc3DC/DCConverterVcc1Vcc PWRONRESETNMIProtective CircuitFuse (4.0A)Power buttonA S I C ( I C 6 )V2ONV3ONP85 LPC 0 VHON DCLEVV3- ONV2- ONVH Output(24.12±0.35Vdc)Vpp OutputStep-downTransformerON/OFFCircuitStep-up TransformerReset CircuitVoltage LevelDetectionBatteryShutdownControl CircuitLithium IonBattery10-14.3VdcCNBTRechargeCircuitCHG- ONNoiseFilter13.5 VdcCNDC 1ACConnectorUniversal AdapterSupply the power to motor and beeperVH- ONVcc 1 Output(5.1±0.25Vdc)Vcc 2 Output(5.0±0.25Vdc)Vcc 3 Output(5.0±0.25Vdc)Figure 4-28 Block Diagram of Power Supply Section |
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