Hitachi-PS48-tt-sm维修手册含电器原理图

HITACHIPS-48EnglishSERVICE MANUALDeutschNo.100Frangais1.SPECIFICATIONSType2-speed direct drive systemFrequeney response ..20-20,000 HzPlatterAluminum alloy die-cast,Output voltage3.5 mV at 1 kHz 50 mm/308mm outerdiameter,sec.weight 1.6kgChannel difference1 dB at I kHzMotorBrushless DC servo directChannel separation20 dB at I kHzdrive motorTracking force....2g (recommended)Speed2 speeds:33-1/3 and 45rpmStylus tip0.7 mil diamond stylus(DS-ST.Pitch control range±2.5%Power source120V/60Hz for U.S.A.Speed change systemElectronicchange-overstandard CANADA stan-systemdardS/N220V/50Hzfor Europe594t44960dB(at50.60Hz)standardWow&flutter…0.025%WRMS240V/50Hz for UnitedTone amStatic balance type,tubularKingdom standard Aust-Head shell*444444444444Plug-in type (Europeanralia standardstandard type)Overall length301mmPower consumption3 watts (at 120V)4.5 watts (at 220V).Effective length220mmOverhang15mm5.5 watts (at 240V)Tracking error .......2°Dimensions+…4++04044县44华+04404年476(W)×368(D)×164H)Adjustable force range (scale)..0-3g/l turn of the scale ringmm(direetly readable in 0.2gWeight9.0kg(19.81bs.)steps)Other devices....auto return,auto cut,anti-Acceptable cartridge weight ..4-10gskating,tracking foreeWhen a HITACHI cartridge is attached.direct-readingbalanceCartridgeVertical movingmagnetweight,stroboscope andtype (VFS-260)neon lamp.PLAYER SYSTEMSeptember I976