http://servis-manual.com/Service ManualTOP NEXTORDER NO. MD0106158C1A6CD Stereo Systeml SA-AK62Colour(S)... Silver TypeArea(P)... U.S.A.TAPE SECTION :SG-2W MECHANISM SERIESCD SECTION :RAE0152Z-3 TRAVERSE DECK SERIESSpecificationsAMPLIFIER SECTIONPower outputTHD 10% Total harmonic distortion(Front 1 kHz) 60 W per channel (6Ω)(Center 1 kHz) 60 W per channel (8Ω)(Surround 1 kHz) 30 W per channel (8Ω)Total output in stereo mode 120 WTotal output in Dolby Pro Logic mode 240 WFTC Power outputTHD 10% Total harmonic distortion(Front 70-16 kHz) 55 W per channel (6Ω)(Center 70-16 kHz) 55 W per channel (8Ω)(Surround 70-16 kHz) 27.5 W per channel (8Ω)Total output in stereo mode 110 WTotal output in Dolby Pro Logic mode 220 WInput sensitivityAUX 250 mVInput ImpedanceAUX 13 kΩFM TUNER SECTIONFrequency range 87.9 - 107.9 MHz (200 kHz steps)87.5 - 108.0 MHz (100 kHz steps)Sensitivity 2.5μV (IHF)S/N 26 dB 2.2μVAntenna terminal(s) 75Ω (unbalanced)AM TUNER SECTIONFrequency range 520 - 1710 kHz (10 kHz steps)SensitivityS/N 20 dB (at 1000 kHz) 560μV/mCASSETTE DECK SECTIONTrack system 4 track, 2 channelHeadsRecord/playback Solid permalloy headErasure Double gap ferrite headMotor DC servo motorRecording system AC bias 100 kHzErasing system AC erase 100 kHzTape speed 4.8 cm/sFrequency response (+3 dB, -6 dB at DECK OUT)NORMAL (TYPE I) 35 Hz - 14 kHz