Sharp OPTONICA SM-3000H Service Manual

opTONIcA|SERVICEMANUALMODELSM-SOOOH“In the interests of user-safety the set should be restoredto its original condition and only parts identical to thosespecified be used.”SPECIFICATIONSGENERAL Input sensitivity and input impedancePower SOUICE............... AC 110/220/240V, 50/60Hz PHONO 1............... 2.5mV, 5mV/47k ohmsPower consumption.....270W PHONO 2.............. 2.5mV/22k ohms, 47k ohms, 100kSemiconductors............ 1-IC (Integrated circuit), 47-Transis- ohmstors, 24-Diodes, 1-LED AUX 1 and 2....... 150mV/47k ohmsDimensions................... 442(W) x 144(H) x 380(D) mm TAPE PLAYBACKWeise. tecctenst ota 14.5 kg Ee.) 6sWie aaron ern 150mV/47k ohmsMAIN AMPLIFIER 7 |CAP CUIV Jane cote iieteete: Two-step differential amplifier, purecomplementary system, OCL (OutputCondenser-Less)Continuous power output2 x 50W/4-ohms ...... Both channels drive, at 1kHz2 x 35W/8-ohms ...... Both channels drive, at 1kHzTotal harmonicdistortion........ RTE 0.02% at 25WIntermodulationdistortion ...............0000 0.05% at 25WDampingfactor...........Morethan 25(at1kHz,4-ohms)Power band width...... 7Hz ~ 70kHz at 0.3% distortion,25WFrequency response.....15Hz ~ 90kHz (+1.5dB)Input sensitivity andinput impedance.......... 800mV/50k ohmsPRE AMPLIFIER ltCIVCULU socyscersiareinicast: Three-step direct coupled equalizer| circuit whose first step serves asdifferential amplifier.Type “NF” tone control circuit.TAPE PLAYBACK 1 and 2 (DINsocket) 1 and 2.....150mV/47k ohmsOutput level and loaded impedanceREC 1 and 2........ 150mV/47k ohmsREC 1 and 2(DIN socket) ......... 30mV/80k ohmsMax. allowable input |for PHONO................. 300mV(RMS, 1kHz)850mV(P-P, 1kHz)Deflection of “‘RIAA”’ curve forequalizer circuit from standard“RIAA” curve............ £0.3dB |Frequency response ..... 15Hz ~ 90kHz (TUNER, AUX,: TAPE PLAYBACK) |Tone controlBASS xaese ted aamcceniaaies +10dB at 100Hz, turnover.... 600Hz+10dB at 60Hz, turnover...... 300HzTICDIC tx. desiessiessdeteats +9dB at 10kHz, turnover...... 1.5kHz+9dB at 20kHz, turnover...... 3kHzFilter |Low cut... 30Hz, 12dB/octHigh cut................. 7kHz, 6dB/octSHARP CORPORATION OSAKA, JAPAN