File name sony_MDX-M690_service_manual.pdfMDX-M690
SERVICE MANUAL
Ver 1.0 2001.03
AEP Model UK Model
US and foreign patents licensed from Dolby Laboratories.
Model Name Using Similar Mechanism Base Mechanism Type Optical Pick-up Name
MDX-CA680 MG-164MA-138 KMS-241C
SPECIFICATIONS
MD Player section
Signal-to-noise ratio Frequency response Wow and flutter 90 dB 10 20,000 Hz Below measurable limit
Power amplifier section
Outputs Speaker impedance Maximum power output Speaker outputs (sure seal connectors) 4 8 ohms 52 W × 4 (at 4 ohms)
Loudness Power requirements Dimensions Mounting dimensions
Tuner section
FM
Tuning range Aerial terminal Intermediate frequency Usable sensitivity Selectivity Signal-to-noise ratio 87.5 108.0 MHz External aerial connector 10.7 MHz/450 kHz 8 dBf 75 dB at 400 kHz 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
General
Outputs Audio outputs (front/rear) Subwoofer output (mono) Power aerial relay control lead Power amplifier control lead Telephone ATT control lead Illumination control lead BUS control input connector BUS audio input connector Remote controller input connector Aerial input connector Bass ±8 dB at 100 Hz Treble ±8 dB at 10 kHz
Mass Supplied accessories
Inputs
+8 dB at 100 Hz +2 dB at 10 kHz 12 V DC car battery (negative earth) Approx. 178 × 50 × 182 mm (w/h/d) Approx. 182 × 53 × 160 mm (w/h/d) Approx. 1.5 kg Parts for installation and connections (1 set) Front panel case (1) Card remote commander RM-X111
Note This unit cannot be connected to a digital preamplifier or an equalizer. Design and specifications are subject to change without notice.
MW/LW
Tuning range Aerial terminal Intermediate frequency Sensitivity MW: 531 1,602 kHz LW: 153 279 kHz External aerial connector 10.7 MHz/450 kHz MW: 30 µV LW: 40 µV
Tone controls
FM/MW/LW MINI DISC PLAYER
9-870-294-11
2001C0500-1 C 2001.3
Sony Corporation
Audio Entertainment Group General Engineering Dept.
MDX-M690
TABLE OF CONTENTS 1. 2. 3.
3-1. 3-2. 3-3. 3-4. 3-5. 3-6. 3-7. 3-8. 3-9. 3-10. 3-11. 3-12. 3-13. 3-14. 3-15. 3-16. 3-17.
SERVICING NOTES ... 4 GENERAL
Location of Controls ... 5
6.
6-1. 6-2. 6-3. 6-4. 6-5. 6-6. 6-7. 6-8. 6-9. 6-10. 6-11. 6-12. 6-13. 6-14. 6-15. 6-16. 6-17. 6-18. 6-19. 6-20. 6-21.
DIAGRAMS
Block Diagram SERVO Section ... Block Diagram TUNER Section ... Block Diagram MAIN Section ... Block Diagram DISPLAY/BUS CONTROL/ POWER SUPPLY Section ... Note for Printed Wiring Boards and Schematic Diagrams ... Printed Wiring Boards SERVO Section ... Schematic Diagram SERVO Section (1/2) ... Schematic Diagram SERVO Section (2/2) ... |