Baby Lock Regalia BLRG20 Service Manual

Contents

BabyLock.comPage 75Section 17: Electronic Information - Block Diagrams -Page 3 of 65544332211D DC CB BA ARev DescriptionApproved: gjkThis document is property of and proprietary to baby lock. Disclosure without express writtenpermission is prohibited by law. Copyright 2017 by baby lock.120 MHz MicrocontrollerBack Casting Wiring HarnessSpeaker (Unused)Keyswitch buffer48V InputSwitching power converter, 5.2 V outputSwitching regulatorFilterFilterNeedle Sensor BufferSynchonous SerialResetDirect connection to ServoMotor Driver BoardRear Panel Wire HarnessMain Shaft48 VDCControl Circuit BoardNeedle Laser ControlTo Front Casting LED Light Strip,Thread Break Sensor and EZ Set TensionSynchronous Serial (23Kbps)Switching LEDdriver (Arm Lights)5.2 VDC5.2 VDCSerial to USBconverterNote: Front and rear casting lightstrips, QM20042, are wired in series.QM20032J8Front Casting Wiring HarnessJ11J9X and Y Encoder InputJ14J7Power Supply EnableJ13J12 To Bobbin LED board (QM20036)LED ControlSwitching LEDdriver (Light Ring)Serial to USBconverterJ10Constant Current, 700mA (about 12Vdc)Constant Current, 800mA (about 24Vdc)To power supplyFrom power supplyEncoder Board QM20052Mounted on QM20032 board.J63.3 VDCJ1Programming ConnectorJ2UnusedJ3 USB to front boardCable: QM20038Cable: QM20040QM20029QM20026-3QM20030USB to rear boardQM20026-1QM23017QM20027HeartbeatNeedle up/downDriver Communication ErrorThread Break SensorFront Display ConnectedRear Display ConnectedRear TxRear RxFront Tx Front RxPS TxPS RxTP2TP3TP4SizeScaleCAGE Code DWG NO RevSheetofAQM09032Thursday, December 28, 2017 3 6B N/ASizeScaleCAGE Code DWG NO RevSheetofAQM09032Thursday, December 28, 2017 3 6B N/ASizeScaleCAGE Code DWG NO RevSheetofAbaby lockQM09032Thursday, December 28, 2017 3 6BRegalia System Block Diagram - Control BoardN/AD21D23D10D38D36D18D35D34D22D20D11D39D19D37