SONY SCD-XB780 free download

File name SCD-XB780.pdf

SCD-XB780 SERVICE MANUAL Ver 1.0 2002.04 AEP Model UK Model Model Name Using Similar Mechanism CD Mechanism Type Base Unit Name Optical Pick-up Name NEW CDM66B-DVBU6B DVBU-6B KHM-234AMA SPECIFICATIONS When a super audio CD is played Playing frequency range 2 Hz to 100 kHz Frequency response Dynamic range 2 Hz to 50 kHz (­3 dB) 104 dB or more Output connector Jack type Output level ANALOG OUT Phono jacks 2 Vrms (at 50 kilohms) General Load impedance Over 10 kilohms Light emitting wave length: 660 nm 75 ohms Laser Semiconductor laser (Super Audio CD: = 650 nm) (CD: = 780 nm) Emission duration: continuous Total harmonic distortion rate 0.0018 % or less Wow and flutter Value of measurable limit (±0.001 % W. PEAK) or less ­18 dBm DIGITAL (CD) Square optical OUT output OPTICAL* connector 0.5 Vp-p DIGITAL (CD) Coaxial output OUT connector COAXIAL* PHONES Stereo 10 mW phone jack ( ) Laser radiant power: 5.47 uW at 650 nm *These output is the value measured at a distance of about 200mm from the objective lens surface on the optical pick-up. Power requirements Power consumption Dimensions (w/h/d) 230 V AC, 50/60 Hz 25 W 430 Ч 111 Ч 283 mm incl. projecting parts 5.8 kg When a CD is played Frequency response Dynamic range 2 Hz to 20 kHz 99 dB or more 32 ohms Mass (approx.) Total harmonic distortion rate 0.002 % or less Wow and flutter Value of measurable limit (±0.001 % W. PEAK) or less *Output only the audio signals of the CD Supplied accessories · Audio connecting cord Stereo cable (1) · Remote commander RM-SX700 (1) · R06 (size-AA) batteries (2) Design and specifications are subject to change without notice. SUPER AUDIO CD PLAYER 9-873-930-01 2002D0500-1 C 2002.04 Sony Corporation Home Audio Company Published by Sony Engineering Corporation SCD-XB780 TABLE OF CONTENTS 1. 2. 3. 3-1. 3-2. 3-3. 3-4. 3-5. 3-6. SERVICING NOTES ... 3 GENERAL ... 6 DISASSEMBLY Disassembly Flow ... Case ... Front Panel Section ... AUDIO Board, MAIN Board ... Mechanism Deck (CDM66B-DVBU6B) ... Base Unit (DVBU-6B) ... 8 9 9 10 10 11 Notes on chip component replacement · Never reuse a disconnected chip component. · Notice that the minus side of a tantalum capacitor may be damaged by heat. Flexible Circuit Board Repairing · Keep the temperature of the soldering iron around 270 °C during repairing. · Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). · Be careful not to apply force on the conductor when soldering or unsoldering. 4. 5. 5-1. 5-2. 5-3. 5-4. 5-5. 5-6. 5-7. 5-8. 5-9. 5-10. 5-11. 5-12. 5-13. 5-14. 5-15. 5-16. 5