Sony DVP-CX995V 400-Disc DVD CD Changer Service Manual PDF Download

Description

Sony DVP-CX995V 400-Disc DVD CD Changer Service Manual PDF Download

DESCRIPTION:

This comprehensive Sony DVP-CX995V service manual (Ver. 1.1 2005.12, Publication 9-879-772-02) provides complete factory technical documentation for servicing and repairing the Sony DVP-CX995V 400-disc mega CD/DVD changer. Essential for professional audio/video technicians, consumer electronics repair specialists, and home theater service professionals.

Product Overview:

The Sony DVP-CX995V is a premium 400-disc carousel CD/DVD/SACD player featuring advanced playback capabilities and multiple output options. This legendary mega changer is known for its massive disc capacity and versatile format support.

Key Features:

• 400-Disc Capacity – Mega storage for extensive media libraries
• Multi-Format Playback: DVD-Video, CD, Super Audio CD (SACD), DVD±R/RW, CD-R/RW
• High-Definition Output: HDMI output with 1080p upscaling capability
• Audio Technologies: Dolby Digital, Dolby Pro Logic, DTS Digital Surround
• Component Video Output: Progressive scan (Y, Pb/Cb, Pr/Cr)
• Digital Audio Outputs: Optical and coaxial SPDIF
• 5.1 Channel Analog Outputs for multi-channel SACD playback

Mechanism Details:

CD/DVD Mechanism Type: CDM62-DVBU65

• Base Unit: DVBU65
• Optical Traverse Unit: DBU-3
• Laser Specifications:
  • λ = 780 nm for CD playback
  • λ = 650 nm for Super Audio CD and DVD
  • Emission duration: continuous
  • Semiconductor laser diode

TABLE OF CONTENTS

SECTION 1 – SERVICING NOTES (Pages 4-8)

• Notes on handling the optical pick-up block or base unit
• Laser diode electrostatic protection procedures
• ESD (Electrostatic Discharge) precautions
• Flexible circuit board handling
• Notes on laser diode emission check – safety distance requirements
• Notes on replacement of the MB Board:
  • Flash memory (IC202) handling and exchange procedures
  • Adjustment value initialization
  • Memory check and initialization procedures
• Note on handling the AV Board (A-1126-999-A)
  • IC600 physical destruction requirements when disposing
• Chip component replacement guidelines
• Flexible circuit board repairing techniques
• Soldering iron temperature specifications (270°C)
• Safety check-out procedures
• Leakage test requirements (0.5 mA maximum)
  • Three approved testing methods
  • Commercial leakage testers
  • AC milliammeter testing
  • Voltage drop measurement
• Unleaded solder handling notes
  • Lead-free mark (LF) identification
  • Higher melting temperature (40°C increase)
  • Soldering iron settings (350°C recommended)
  • Viscosity characteristics
• Safety-related component warning (marked with 0 symbol)

SECTION 2 – GENERAL (Page 9)

• Model identification
• US and Canadian model specifications
• General overview and features

SECTION 3 – DISASSEMBLY (Pages 10-21)

Complete step-by-step disassembly procedures:

• 3-1. Disassembly Flow – Overall sequence diagram
• 3-2. Case removal
• 3-3. MB Board removal and installation
• 3-4. AV Board removal procedures
• 3-5. Bracket (L)/(R) removal
• 3-6. Front Panel Section disassembly
• 3-7. Cover (PT)/(CDM) removal
• 3-8. DVBU65 Assembly (DVD mechanism)
• 3-9. Switching Regulator removal
• 3-10. Table (400) Assembly – Carousel mechanism
• 3-11. Door Assembly, Base (Door) Assembly
• 3-12. DC Motor (Door) (M603) removal
• 3-13. Holder (Table Sensor 400) removal
• 3-14. D. SENS OUT Board, D. SENS IN Board – Disc sensors
• 3-15. Pop-up (400) Assembly – Disc loading mechanism
• 3-16. DOOR SW Board removal
• 3-17. LOCK SW Board, LOADING SW Board removal
• 3-18. CD/DVD Mechanism Deck Block (CDM62-DVBU65) complete disassembly
• 3-19. Motor (400) Assembly:
  • Loading Motor (M602)
  • Table Motor (M601)
  • LOADING MOTOR Board
• 3-20. Optical Traverse Unit (DBU-3) removal and handling

SECTION 4 – TEST MODE (Pages 22-31)

Comprehensive test mode operations:

• Test Mode entry procedure using remote commander
  • Key sequence: TOP MENU > CLEAR > I/1 (standby status)
  • “DIAG START” display on fluorescent indicator
• Test Mode Menu navigation
• Drive Manual Operation:
  • Disc loading/unloading tests
  • Table rotation testing
  • Sensor verification
  • Memory Check and initialization
• Drive Auto Adjustment procedures
  • Focus offset adjustment
  • Tracking offset adjustment
  • Laser power calibration
• Servo diagnostics
• Audio/Video output testing
• Button and switch function tests
• Display diagnostics
• Remote control command verification
• Error code reference

SECTION 5 – MECHANICAL ADJUSTMENTS (Page 32)

• Disc loading mechanism alignment
• Table (carousel) rotation adjustment
• Door operation timing
• Pop-up mechanism calibration
• Sensor positioning
• Motor speed adjustments
• Mechanical play reduction

SECTION 6 – ELECTRICAL ADJUSTMENTS (Pages 33-37)

• Focus offset adjustment procedures
• Tracking gain adjustment
• RF signal level optimization
• Laser power calibration
• Servo loop adjustments
• Audio output level calibration
• Video output alignment
• Digital output verification

SECTION 7 – DIAGRAMS (Pages 38-89)

Complete technical diagrams:

Block Diagrams:

• 7-1. Block Diagram – SERVO Section (Page 38)
  • Focus servo control
  • Tracking servo control
  • Spindle motor control
  • Sled motor control
• 7-2. Block Diagram – AUDIO Section (Page 39)
  • DAC (Digital-to-Analog Converter) circuits
  • Dolby Digital decoder
  • DTS decoder
  • SACD audio processing
  • Multi-channel output routing
• 7-3. Block Diagram – VIDEO Section (Page 40)
  • Video decoder circuits
  • Component video processing
  • S-Video and composite output
  • HDMI interface
• 7-4. Block Diagram – PANEL, TABLE, POWER SUPPLY Section (Page 41)
  • Switching regulator
  • Power distribution
  • Control panel interface
  • Carousel control system

Printed Wiring Boards & Schematics:

• 7-5. RF TRANSLATION Board layout (Page 43)
• 7-6. MB Board (Side A) component layout (Page 44)
• 7-7. MB Board (Side B) conductor traces (Page 45)
• 7-8 to 7-14. MB Section Schematics (1/7 through 7/7) (Pages 46-52)
  • Complete main board circuit diagrams
  • Microprocessor circuits
  • Memory circuits (Flash IC202)
  • Interface circuits
  • Power supply circuits
• 7-15 to 7-19. AV Board Schematics (1/5 through 5/5) (Pages 53-57)
  • Audio processing circuits
  • Video processing circuits
  • DAC circuits
  • Output buffers
  • IC600 critical component
• 7-20. AV Board – Component Side (Page 58)
• 7-21. AV Board – Conductor Side (Page 59)
• 7-22. TABLE Section boards (Page 60)
• 7-23. TABLE Section schematic (Page 61)
• 7-24. DRIVER Board layout (Page 62)
• 7-25. DRIVER Board schematic (Page 63)
• 7-26. PANEL-L Board layout (Page 64)
• 7-27. PANEL-L Board schematic (Page 65)
• 7-28. PANEL-R Section boards (Page 66)
• 7-29. PANEL-R Section schematic (Page 67)

SECTION 8 – EXPLODED VIEWS (Pages 90-100)

Detailed mechanical assembly diagrams:

• 8-1. Overall Section (Page 90) – Complete unit assembly
• 8-2. Front Panel Section (Page 91)
• 8-3. Power Block Section (Page 92)
• 8-4. Table Section (Page 93) – 400-disc carousel mechanism
• 8-5. Chassis Section (Page 94)
• 8-6. Base (Door) Section (Page 95)
• 8-7. CD/DVD Mechanism Deck Section-1 (Pop-up Block) (Page 96)
• 8-8. CD/DVD Mechanism Deck Section-2 (Pulley Block) (Page 97)
• 8-9. CD/DVD Mechanism Deck Section-3 (Lever, Holder Block) (Page 98)
• 8-10. CD/DVD Mechanism Deck Section-4 (Gear, Motor Block) (Page 99)
• 8-11. Base Unit Section (DVBU65) (Page 100) – DVD mechanism base

SECTION 9 – ELECTRICAL PARTS LIST (Pages 101-116)

Complete parts catalog with part numbers:

• Resistors, capacitors, diodes, transistors
• Integrated circuits (ICs)
• Connectors and switches
• Motors and mechanical components
• Optical pick-up components
• Safety-critical components marked
• Boards and assemblies
• Cables and harnesses
• Ordering information

SPECIFICATIONS

System:

• Signal Format: NTSC
• Laser Type: Semiconductor laser
  • λ = 780 nm for CD
  • λ = 650 nm for Super Audio CD and DVD
  • Emission: Continuous

Outputs:

• LINE OUT AUDIO L/R 1/2: Phono jack, 2 Vrms, 10 kilohms
• DIGITAL OUT (OPTICAL): –18 dBm (wavelength: 660 nm)
• DIGITAL OUT (COAXIAL): 0.5 Vp-p, 75 ohms
• HDMI OUTPUT: Type A (19 pin)
• 5.1CH OUTPUT: Phono jack, 2 Vrms, 10 kilohms
• COMPONENT VIDEO OUT (Y, PB/CB, PR/CR): Phono jack
  • Y: 1.0 Vp-p
  • PB/CB, PR/CR: Interlace = 0.648 Vp-p, Progressive = 0.7 Vp-p
  • 75 ohms impedance
• LINE OUT (VIDEO) 1/2: Phono jack, 1.0 Vp-p, 75 ohms
• S VIDEO OUT 1/2: 4-pin mini DIN, Y: 1.0 Vp-p, C: 0.286 Vp-p, 75 ohms

Audio Characteristics:

• Frequency Response:
  • DVD VIDEO (PCM 96 kHz): 2 Hz to 44 kHz
  • Super Audio CD: 2 Hz to 100 kHz
  • CD: 2 Hz to 20 kHz (±0.5 dB)
• Signal-to-Noise Ratio: 115 dB (LINE OUT jacks)
• Harmonic Distortion: 0.003%
• Dynamic Range:
  • DVD VIDEO/Super Audio CD: 103 dB
  • CD: 99 dB
• Wow and Flutter: Less than detected value (±0.001% W PEAK)

General:

• Power Requirements: 120V AC, 60 Hz
• Power Consumption: 25W
• Dimensions: 430 × 189 × 545 mm (17 × 7½ × 21½ in.) W/H/D including projecting parts
• Mass: 8.6 kg (18 lb 15 oz)
• Operating Temperature: 5°C to 35°C (41°F to 95°F)
• Operating Humidity: 25% to 80%

Supplied Accessories:

• Audio/video cord (pinplug × 3 to pinplug × 3) (1)
• Remote commander RM-ASP001 (1)
• Size AA (R6) batteries (2)

KEY FEATURES OF THIS SERVICE MANUAL:

✓ Official Sony factory service documentation ✓ Complete 400-disc carousel mechanism disassembly and repair ✓ Detailed CDM62-DVBU65 DVD mechanism service procedures ✓ Optical pick-up (DBU-3) adjustment and alignment ✓ Comprehensive circuit schematics for all boards ✓ Test mode procedures for diagnostics and calibration ✓ Flash memory (IC202) replacement procedures ✓ Complete parts list with Sony part numbers ✓ Exploded views with mechanical assembly details ✓ Electrical adjustments for focus, tracking, and laser power ✓ Safety precautions for laser diode servicing ✓ Lead-free solder handling guidelines ✓ Professional Sony service standards

Applications:

This Sony DVP-CX995V service manual is essential for:

• Authorized Sony service centers
• Independent consumer electronics repair shops
• Home theater installation professionals
• Audio/video service technicians
• Professional calibration specialists
• Technical training schools

Ideal For:

• Professional A/V technicians
• Sony certified service engineers
• Consumer electronics repair specialists
• Home theater installers
• Technical students and apprentices
• Mobile electronics repair services
• Multi-disc changer specialists

This comprehensive factory service manual provides the complete technical knowledge required to properly diagnose, repair, and maintain the Sony DVP-CX995V 400-disc mega changer, ensuring optimal performance of this premium home theater component.

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