Sony CDX-M620 Service Manual
Fm/mw/lw compact disc player
Hide thumbs
Also See for CDX-M620:
- Service manual (78 pages) ,
- Operating instructions manual (108 pages) ,
- Operating & installation instructions (2 pages)
Advertisement
Quick Links
CDX-M620
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
23.2 watts 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.
CD player section
Signal-to-noise ratio
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 Pick-up Block.
Tuner section
FM
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
Signal-to-noise ratio
66 dB (stereo),
72 dB (mono)
Harmonic distortion at 1 kHz
0.6% (stereo),
0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
AM (US model)
Tuning range
530 – 1,710 kHz
Antenna terminal
External antenna connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
30 µV
Sony Corporation
9-873-505-11
2001C0400-1
Audio Entertainment Group
© 2001. 3
General Engineering Dept.
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
MW/LW (AEP, UK, E model)
Tuning range
MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Aerial terminal
External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity
MW: 30 µV
LW: 40 µV
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
FM/AM COMPACT DISC PLAYER
FM/MW/LW COMPACT DISC PLAYER
US Model
CDX-M620/M670
AEP Model
UK Model
E Model
CDX-M670
CDX-M700R/M750
MG-383Z-121//K
KSS-720A
– Continued on next page –
CDX-M620/M670
CDX-M670
1
Advertisement
Related Manuals for Sony CDX-M620
Summary of Contents for Sony CDX-M620
- Page 1 CDX-M620 SERVICE MANUAL US Model CDX-M620/M670 Ver 1.0 2001. 03 AEP Model UK Model E Model CDX-M670 • The tuner and CD sections have no adjustments. Model Name Using Similar Mechanism CDX-M700R/M750 CD Drive Mechanism Type MG-383Z-121//K SPECIFICATIONS Optical Pick-up Name...
- Page 2 CDX-M620/M670 • Refer to page 37 for Waveforms. 4-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 54 for IC Block Diagrams. IC B/D (Page 41) (Page 46) Note: • Voltage is dc with respect to ground under no-signal conditions.
- Page 3 CDX-M620/M670 • Refer to page 37 for Waveforms. 4-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 54 for IC Block Diagrams. (Page 40) IC B/D (Page 40) Note: • Voltage is dc with respect to ground under no-signal conditions.
- Page 4 CDX-M620/M670 • Refer to page 37 for Waveforms. 4-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 54 for IC Block Diagrams. (Page 45) IC B/D (Page 46) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition.
- Page 5 CDX-M620/M670 4-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — • Refer to page 54 for IC Block Diagrams. IC B/D (Page IC B/D IC B/D (Page 46) Note: • Voltage is dc with respect to ground under no-signal (detuned) condition.
- Page 6 CDX-M620/M670 • Refer to page 37 for Waveforms. 4-12. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 54 for IC Block Diagrams. (Page 44) (Page 45) IC B/D (Page 40) (Page 47) IC B/D Note: • Voltage is dc with respect to ground under no-signal (detuned) condition.
- Page 7 CDX-M620/M670 • Refer to page 37 for Waveforms. 4-13. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 54 for IC Block Diagrams. (Page 51) (Page (Page 49) IC B/D Note: • Voltage is dc with respect to ground under no-signal (detuned) condition.
- Page 8 CDX-M620/M670 4-15. SCHEMATIC DIAGRAM — SUB (CD) SECTION — • Refer to page 55 for IC Block Diagram. (Page 47) IC B/D Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM...
- Page 9 CDX-M620/M670 4-17. SCHEMATIC DIAGRAM — KEY SECTION — (Page 53) (Page Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM...
- Page 10 CDX-M620/M670 4-19. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 55 for IC Block Diagrams. (Page IC B/D Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM...