Samsung SC-140 Service Manual

Also see for SC-140: User guide User guide

Contents

2536‹M56788FP(I.C-DRIVE)Terminal Symbol Terminal function Terminal Symbol Terminal functionCH3IN CH3 non-inverted input VREF0 Reference voltage outputOUT3 E3 amplifier output VREF Reference voltage inputIN3- E3 amplifier inverted input SS.GND Small signal GNDVBS2 Bootstrap power supply MUTE2 CH5 muteVm2 Motor power supply MUTE1 CH1-4muteN.C N.C IN2+ E2 amplifier non-inverted inputGND Motor GND IN2- E2 amplifier inverted inputIN3+ E3 amplifier non-inverted input GND Motor GNDVM3(-) CH3 inverted output OUT2 E2 amplifier outputVM3(+) CH3 non-inverted output VM2(-) CH2 inverted outputVM4(+) CH4 non-inverted output VM2(+) CH2 non-inverted outputVM4(-) CH4 inverted output VM1(+) CH1non-inverted outputVM5(+) CH5 non-inverted output VM1(-) CH1 inverted outputVM5(-) CH5 inverted output OUT1 E1 amplifier ouptutOUT5 E5 amplifier output IN1- E1 amplifier inverted inputIN5- E5 amplifier inverted input Vm1 Motor power supplyIN5+ E5 amplifier non-inverted input VBS1 Bootstrap power supplyIN4+ E4 amplifier non-inverted input IN1+ E1 amplifier non-inverted inputIN4- E4 amplifier inverted input REGB Regulator PNP base connectOUT4 E4 amplifier output REG+ Regulator voltage setting resistor- PIN DESCRIPTION123456789101112131415161718192021424140393837363534333231302928272625242322REG+REGBIN1+VBS1Vm1IN1-OUT1VM1-VM1+GNDVM2+VM2-OUT2GNDIN2-IN2+MUTE1MUTE2SS.GNDVREFVREFOCH3INOUT3IN3-VBS2Vm2N.CGNDVM3+IN3+M56788FPVM3-GNDVM4+VM4-VM5+VM5-OUT5IN5-IN5+IN4+IN4-OUT4-1234567 11891012131415161718192021343536373839404142,22232425262729 3328303132,SCR-140(A4)-en 99.3.15 11:34 AM ˘ ` 25