Sony MDS-JD320 service manual Shutter Assembly, Over Write Head

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3-5. SHUTTER ASSEMBLY

1 Stepper washer

Shutter assembly

2Shaft (lid) Shaft (shutter)

3 Shutter assembly

Shaft (shutter)

Hole B

Hole A

When installing, install the shaft (shutter) into the hole A as shown in the figure before installing the shaft (lid) into the hole B.

3-6. OVER WRITE HEAD

1Precision screw (P1.7×6)

2Over write head

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Contents MDM-3GC SpecificationsVarnig Flexible Circuit Board RepairingExploded Views Table of ContentsDisassembly DiagramsSelf-Diagnosis Function SELF-DIAGNOSIS FunctionMain Board Component Side Forced ResetSection Servicing Note JIG for Checking BD Board WaveformFluorescent Display Tube Signs Retry Cause Display ModeHexadecimal nBinary Conversion Table Location of Parts and Controls Section GeneralBracket T, L and R Section DisassemblyCase and Front Panel Assembly SUB Chassis BD BoardOver Write Head Shutter AssemblySlider Complete Assembly Section Test Mode MID Operating the Continuous Playback ModeOperating the Continuous Recording Mode Non-Volatile Memory ModeMeanings of Other Displays Test Mode DisplaysFunctions of Other Buttons Precautions for Adjustments Section Electrical AdjustmentsPrecautions for Checking Laser Diode Emissinon Precautions for USE of Optical PICK- UP KMS-260ASpecified Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Traverse Waveform Traverse AdjustmentMDS-JE320 Focus Bias AdjustmentError Rate Check Adjusting Points and Conneting PointsMain MDS-JE320 Section DiagramsBlock Diagrams Optical PICK-UP BlockREC Main SectionWaveform For schematic diagramsFor printed wiring boards Semiconductor Printed Wiring Board BD SectionLocation Schematic Diagram BD /2 See page 26 for Waveforms See page 49 for IC Block Diagrams Main Board Printed Wiring Board Main SectionSchematic Diagram Main /3 MDS-JE320 Schematic Diagram Main /3 Eject SW Board Printed Wiring Board Display SectionDisplay Board Schematic Diagram Display Section Printed Wiring Board Switch Section Schematic Diagram Switch Section BD section IC101 CXA2523R IC Block DiagramsIC121 CXD2650R IC152 BH6511FS IC121 CXD2652ARIC307 CXD8607N IC171 XL24C01AFIC192 L88MS33T Main section IC301 LA9615IC311 LB1641 IC308 M5218AL IC309 LA5620 IC310 M5293LIC101 RF Amplifier CXA2523R Pin No Pin Name Function IC PIN FunctionsMNT3 Sloc MNT0 FOKMNT1 Shck MNT2 XbusyPin No Pin Name Function FS4 TfdrFfdr FrdrIC307 A/D, D/A converter CXD8607N Pin No Pin Name Function Lvss TEST2TEST3 LvddChuck Timer SWPower Down DaoutBUS OUT MNT2MNT3 LED0Dsel A, Dsel B DIG-RSTBeep DA-RSTMain Section Section Exploded ViewsButton Main Front Panel Section6059 Panel ASSY, Front US,CND209 208 Mechanism Deck MDM-3GC201 202 203 204 205 206 207257 258 260 271 252253 254 259 Section Electrical Parts List Inductor TC74ACT540FSInductor Chip ShortControl SW Display Eject SW Main Line Filter NJM78L06ANJM79L12A SN74HCU04ANMDS-JE320 Main

MDS-JD320 specifications

The Sony MDS-JD320 is a MiniDisc recorder that exemplifies the cutting-edge technology of the late 1990s and early 2000s. Designed for both amateur and professional audiophiles, it delivers superior sound quality and an array of features that enhance user experience and functionality. Key to its appeal is its remarkable sound reproduction capabilities, which are achieved through Sony's proprietary technologies, including the ATRAC (Adaptive Transform Acoustic Coding) compression format. This format allows for efficient audio storage without sacrificing sound fidelity, ensuring that each recording is as rich and dynamic as the original source.

One of the standout features of the MDS-JD320 is its ability to create, edit, and playback CDs and MiniDiscs with remarkable ease. Thanks to its digital optical input and output, users can connect the device to various audio sources, such as CD players or mixing boards, to make high-quality recordings. The device supports various recording modes, including long play, which enables users to extend their recording time without significant compromise on audio quality.

The MDS-JD320 also boasts a user-friendly interface, which includes an LCD display that conveniently shows essential information such as track numbers, remaining time, and recording mode. Furthermore, an intuitive remote control offers added convenience, allowing users to navigate through their music collections without having to physically interact with the device.

In terms of connectivity, the MDS-JD320 features not only digital inputs and outputs but also analog connections, making it versatile for various setups. Additionally, the device includes extensive editing features, such as track splitting, combining, and renaming, empowering users to customize their recordings easily.

Moreover, the MDS-JD320's compact design fits seamlessly into any audio setup, making it an attractive choice for both home recording enthusiasts and professionals. Its durable build quality ensures longevity, while its performance continues to impress even in today's digital audio landscape.

With its powerful combination of advanced technologies, ease of use, and high-quality audio performance, the Sony MDS-JD320 remains a sought-after component for collectors and audiophiles alike, representing an enduring legacy in the field of portable digital media solutions.
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