CDX-M620/M670
SERVICE MANUAL
Ver 1.0 2001. 03
• The tuner and CD sections have no adjustments.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS (US MODEL)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
23.2watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 5% total harmonic distortion.
US Model
AEP Model
UK Model
E Model
CDX-M670
| Model Name Using Similar Mechanism | ||
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| CD Drive Mechanism Type | ||
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| Optical | ||
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MW/LW (AEP, UK, E model) |
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Tuning range | MW: 531 – 1,602 kHz |
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| LW: 153 – 279 kHz |
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Aerial terminal | External aerial connector |
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Intermediate frequency | 10.7 MHz/450 kHz |
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Sensitivity | MW: 30 µV |
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| LW: 40 µV |
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CD player section
90 dB | |
Frequency response | 10 – 20,000 Hz |
Wow and flutter | Below measurable limit |
Laser Diode Properties (US model) | |
Material | GaAlAs |
Wavelength | 780 nm |
Emission Duration | Continuous |
Laser output power | Less than 44.6 µW* |
*This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical
Tuner section
FM |
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Tuning range | 87.5 | – 107.9 MHz (US model) |
| 87.5 | – 108.0 MHz (AEP, UK, E model) |
Antenna terminal | External antenna connector | |
Intermediate frequency | 10.7 | MHz/450 kHz |
Usable sensitivity | 8 dBf | |
Selectivity | 75 dB at 400 kHz | |
66 dB (stereo), | ||
| 72 dB (mono) | |
Harmonic distortion at 1 kHz |
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| 0.6% (stereo), | |
| 0.3% (mono) | |
Separation | 35 dB at 1 kHz | |
Frequency response | 30 – 15,000 Hz | |
AM (US model) |
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Tuning range | 530 – 1,710 kHz | |
Antenna terminal | External antenna connector | |
Intermediate frequency | 10.7 | MHz/450 kHz |
Sensitivity | 30 µV | |
9-873-505-11 Sony Corporation
© 2001. 3 | General Engineering Dept. |
Power amplifier section
Outputs | Speaker outputs (sure seal connectors) |
Speaker impedance | 4 – 8 ohms |
Maximum power output 52 W ⋅ 4 (at 4 ohms) | |
General
Outputs | Audio outputs (front/rear) |
| Subwoofer output (mono) |
| Power antenna relay |
| control lead (US model) |
| Power aerial relay |
| control lead (AEP, UK, E model) |
| Power amplifier control |
| lead |
– Continued on next page –
FM/AM COMPACT DISC PLAYER