Sharp OPTONICA SM-1616H Service Manual

=oPvONca]SERVICEMANUAL SM-1SMSTEREO AMPLIFIERMODELSM-1616H(Silver Panel)SM-1616HB(Black Panel)In the interests of user-safety the set shouldbe restored to its original condition and onlyparts identical to those specified be used.SPECIFICATIONSGENERAL DESCRIPTIONAC 110/220/240V, 50/60Hz380W2-IC (Integrated circuit)24-Transistor2-FET17-DiodeWidth: 442mm (17-7/16”")Height: 144mm (5-11/16”)Depth: 253 mm (10’)7.8 kg (17.2 Ibs.)Power source:Power consumption:Semiconductors:Dimensions:Weight:MAIN AMPLIFIERCircuit: Differential amplifier, complimentarysystem, OCL (Output Capacitor Less)Continuous power output (at 1kHz):2 x 45W/4 ohms, Both channels driven,0.15% distortion2 x 40W/8 ohms, Both channels driven,0.2% distortionContinuous power output (20Hz ~ 20kHz):2 x 38W/4 ohms, Both channels driven,0.15% distortion2 x 32W/8 ohms, Both channels driven,0.2% distortionIntermodulationdistortion: 0.05% at 20WDamping factor: More than 40 (at 1kHz, 8 ohms)Power bendwidth: 20Hz~40kHzFrequency response: 15Hz~60kHz taePRE-AMPLIFIERCircuit: Direct coupled equalizer circuit, ‘NF’type tone controlInput sensitivity and input impedance:PHONO: 2.5mV/50K ohmsAUX: 150mV/SOK ohmsTUNER: 150mV/S50K ohmsTAPE PB 1 and 2: 150mV/50K ohmsTAPE PB(DIN socket): 150mV/S50K ohmsOutput level and loaded impedance:REC 1 and 2: 150mV/50K ohmsREC (DIN socket): 30mV/80K ohmsPhone overload: 230mV (RMS, 1kHz, 0.1% THD)RIAA curve deviation: +0.4dBFrequency response: 15Hz~60kHz +348(TAPE, AUX, TAPE PB) -Tone control:Bass: | +9dB at 100HzTreble: +9dB at 10kHzLow filter: —3dB at 30Hz, 6dB/octHigh filter: —3dB at 7kHz, 6dB/octSHARP CORPORATION OSAKA, JAPAN