Sony CDX-M620 Service Manual

Also see for CDX-M620 - Fm/am Compact Disc Player: Limited warranty Operating & installation instructions Operating instructions Service manual Service manual

1Ver 1.0 2001. 03Model Name Using Similar Mechanism CDX-M700R/M750CD Drive Mechanism Type MG-383Z-121//KOptical Pick-up Name KSS-720ASERVICE MANUALUS ModelCDX-M620/M670AEP ModelUK ModelE ModelCDX-M670CDX-M620• The tuner and CD sections have no adjustments.AUDIO POWER SPECIFICATIONS (US MODEL)POWER OUTPUT AND TOTAL HARMONIC DISTORTION23.2 watts per channel minimum continuous average power into4 ohms, 4 channels driven from 20 Hz to 20 kHz with no morethan 5% total harmonic distortion.CD player sectionSignal-to-noise ratio 90 dBFrequency response 10 – 20,000 HzWow and flutter Below measurable limitLaser Diode Properties (US model)Material GaAlAsWavelength 780 nmEmission Duration ContinuousLaser output power Less than 44.6 μW** This output is the value measured at a distanceof 200 mm from the objective lens surface on theOptical Pick-up Block.Tuner sectionFMTuning range 87.5 – 107.9 MHz (US model)87.5 – 108.0 MHz (AEP, UK, E model)Antenna terminal External antenna connectorIntermediate frequency 10.7 MHz/450 kHzUsable sensitivity 8 dBfSelectivity 75 dB at 400 kHzSignal-to-noise ratio 66 dB (stereo),72 dB (mono)Harmonic distortion at 1 kHz0.6% (stereo),0.3% (mono)Separation 35 dB at 1 kHzFrequency response 30 – 15,000 HzAM (US model)Tuning range 530 – 1,710 kHzAntenna terminal External antenna connectorIntermediate frequency 10.7 MHz/450 kHzSensitivity 30 μVSPECIFICATIONSMW/LW (AEP, UK, E model)Tuning range MW: 531 – 1,602 kHzLW: 153 – 279 kHzAerial terminal External aerial connectorIntermediate frequency 10.7 MHz/450 kHzSensitivity MW: 30 μVLW: 40 μVPower amplifier sectionOutputs Speaker outputs (sure seal connectors)Speaker impedance 4 – 8 ohmsMaximum power output 52 W × 4 (at 4 ohms)GeneralOutputs Audio outputs (front/rear)Subwoofer output (mono)Power antenna relaycontrol lead (US model)Power aerial relaycontrol lead (AEP, UK, E model)Power amplifier controlleadFM/AM COMPACT DISC PLAYERCDX-M620/M670FM/MW/LW COMPACT DISC PLAYERCDX-M670– Continued on next page –Sony CorporationAudio Entertainment GroupGeneral Engineering Dept.9-873-505-112001C0400-1© 2001. 3