Baby Lock Regalia BLRG20 Service Manual

Contents

Page 52Regalia Service ManualSection 17: Electronic Information - LED SummaryInformationMotor Driver Board QM20031• D20, +5V from control board• D17, D18, D19, motor hall sensors• D8, Combined hall sensor signal• D13, +15V motor drive (FET gate device)• D14, +5V for motor drive signal isolation ICsControl Board QM20032• D34, Pro-Stitcher transmit signal to carriage motors• D35, Pro-Stitcher receive signal from carriage motors• D36, Transmit signal to front display/Pro-Stitcher• D37, Receive signal from front display/Pro-Stitcher• D38, Rear display receive signal• D39, Rear display transmit signal• D10, +5V system power• D11, +3.3V system power• D18, Debug, shows when front display is connected• D19, Debug, shows when rear display connects• D20, Heart beat, Labelled HEARTBT• D21, Needle up/down (main shaft sensor), labelledNEEDLE• D22, Labelled OVRSPD (over speed), debug, (lit whenno common between control board and motor driverboard)• D23, Labelled KEYPRS, used for Thread Break Sensor