Sony MDS-JB940 Minidisc jugador
Fabricante:
Modelo:
MDS-JB940
Fecha:
2000
Categoría:
Grupo:
Descripción:

Información

System MiniDisc digital Audio system Disc MiniDisc Laser Semiconductor laser (λ = 780 nm) Emission duration: continuous Laser output MAX 44.6 μW1) 1) This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block with 7 mm aperture. Laser diode Material: GaAlAs Revolutions (CLV) 400 rpm to 900 rpm Error correction ACIRC (Advanced Cross Interleave Reed Solomon Code) Sampling frequency 44.1 kHz Coding ATRAC (Adaptive TRansform Acoustic Coding)/ATRAC 3 Modulation system EFM (Eight-to-Fourteen Modulation) Number of channels 2 stereo channels Frequency response 5 to 20,000 Hz ±0.3 dB Signal-to-noise ratio Over 100 dB during play Wow and flutter Below measurable limit ANALOG IN Jack type: phono Impedance: 47 kilohms Rated input: 500 mVrms Minimum input: 125 mVrms

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Manual de servicio
Type manuel:
Manual de servicio
Páginas:
74
Tamaño:
18.84 Mbytes (19758803 Bytes)
Idioma:
english
Revisión:
Manuel-ID:
9-929-274-11
Fecha:
Formato:
Documento electrónico, sin análisis, muy bien legible.
Fecha de subida:
2011 06 22
MD5:
5516cb026996fb465f03d6654a2b83f4
Descargas:
1438

Información

TABLE OF CONTENTS MODEL IDENTIFICATION — BACK PANEL — Model AEP, UK models Canadian model US model Part No. 4-228-507-0s 4-228-507-1s 4-228-507-2s Part No. SELF-DIAGNOSIS FUNCTION ... 4 1. SERVICE NOTE ... 6 2. GENERAL ... 11 3. DISASSEMBLY ... 14 4. TEST MODE ... 17 5. ELECTRICAL ADJUSTMENTS ... 22 6. DIAGRAMS 6-1. Block Diagram MAIN Section ... 31 6-2. Block Diagram DISPLAY/POWER Section ... 32 6-3. Note for Printed Wiring Boards and Schematic Diagrams ... 33 6-4. Circuit Board Location ... 33 6-5. Waveforms ... 34 6-6. Printed Wiring Board BD Board ... 35 6-7. Schematic Diagram BD Board (1/2) ... 36 6-8. Schematic Diagram BD Board (2/2) ... 37 6-9. Printed Wiring Board HP Board/KEY Board ... 38 6-10. Schematic Diagram HP Board/KEY Board ... 38 6-11. Schematic Diagram MAIN Board (1/3) ... 39 6-12. Schematic Diagram MAIN Board (2/3) ... 40 6-13. Schematic Diagram MAIN Board (3/3) ... 41 6-14. Printed Wiring Board MAIN Board (Side A) ... 42 6-15. Printed Wiring Board MAIN Board (Side B) ... 43 6-16. Printed Wiring Board PANEL Section ... 44 6-17.Schematic Diagram PANEL Section ... 45 6-18.Schematic Diagram AC Board ... 46 6-19. Printed Wiring Board AC Board ... 47 6-20. IC Block Diagrams ... 48 6-21. IC Pin Function Description ... 53 7. EXPLODED VIEWS ... 60 8. ELECTRICAL PARTS LIST ... 64

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