Sony MDS-JD320 service manual Retry Cause Display Mode, Fluorescent Display Tube Signs

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RETRY CAUSE DISPLAY MODE

•In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent display tube. This is useful for locating the faulty part of the unit.

•The data amount stored in DRAM, number of retries, and retry cause are displayed. Each is displayed in hexadecimal number.

•The display of the DRAM data amount enables data reading, accumulation, ejection, and writing to be performed smoothly. If writing is not smooth, data may decrease considerably.

Method:

1.Load a recordable disc whose contents can be erased into the unit.

2.Press the EDIT/NO button several times to display “All Erase?” on the fluorescent display tube.

3.Press the YES button.

4.When “All Erase??” is displayed on the fluorescent display tube, the numbers on the music calendar will start blinking.

5.Press the YES button to display “Complete”, and press the pbutton immediately and continue pressing for about 10 seconds.

6.When the “TOC” displayed on the fluorescent display tube goes off, release the pbutton.

7.Press the r REC and á PLAY buttons to start recording.

8.Press the DISPLAY/CHAR button to display the test mode (Fig. 1), and check the display.

9. The Rt value increases with each retry. If an error occurs after a retry, “Retry Error” will be displayed, and the number of retries counted will be set back to 0.

10. To exit the test mode, press the 1/ubutton. Turn OFF the power, and after “TOC” disappears, disconnect the power plug from the outlet.

Fig. 1 Reading the Test Mode Display

Fluorescent Display Tube Signs

SC @@ Rt # # ∗ ∗

@@ : Displays the DRAM memory amount when at all times.

## : Displays the number of retries. When a retry error occurs, the number will be set back to 0. * * : Cause of retry

All three displays above are in hexadecimal numbers.

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Contents Specifications MDM-3GCFlexible Circuit Board Repairing VarnigDiagrams Table of ContentsDisassembly Exploded ViewsSELF-DIAGNOSIS Function Self-Diagnosis FunctionJIG for Checking BD Board Waveform Forced ResetSection Servicing Note Main Board Component SideRetry Cause Display Mode Fluorescent Display Tube SignsHexadecimal nBinary Conversion Table Section General Location of Parts and ControlsSection Disassembly Case and Front Panel AssemblyBracket T, L and R BD Board SUB ChassisShutter Assembly Over Write HeadSlider Complete Assembly Section Test Mode Non-Volatile Memory Mode Operating the Continuous Playback ModeOperating the Continuous Recording Mode MIDTest Mode Displays Functions of Other ButtonsMeanings of Other Displays Precautions for USE of Optical PICK- UP KMS-260A Section Electrical AdjustmentsPrecautions for Checking Laser Diode Emissinon Precautions for AdjustmentsTemperature Compensation Offset Adjutment Laser Power AdjustmentSpecified Value Traverse Adjustment Traverse WaveformAdjusting Points and Conneting Points Focus Bias AdjustmentError Rate Check MDS-JE320Optical PICK-UP Block MDS-JE320 Section DiagramsBlock Diagrams MainMain Section RECFor schematic diagrams For printed wiring boardsWaveform Printed Wiring Board BD Section LocationSemiconductor Schematic Diagram BD /2 See page 26 for Waveforms See page 49 for IC Block Diagrams Printed Wiring Board Main Section Main BoardSchematic Diagram Main /3 MDS-JE320 Schematic Diagram Main /3 Printed Wiring Board Display Section Display BoardEject SW Board Schematic Diagram Display Section Printed Wiring Board Switch Section Schematic Diagram Switch Section IC Block Diagrams IC121 CXD2650RBD section IC101 CXA2523R IC121 CXD2652AR IC152 BH6511FSMain section IC301 LA9615 IC171 XL24C01AFIC192 L88MS33T IC307 CXD8607NIC308 M5218AL IC309 LA5620 IC310 M5293L IC311 LB1641IC PIN Functions IC101 RF Amplifier CXA2523R Pin No Pin Name FunctionMNT2 Xbusy MNT0 FOKMNT1 Shck MNT3 SlocPin No Pin Name Function Frdr TfdrFfdr FS4IC307 A/D, D/A converter CXD8607N Pin No Pin Name Function Lvdd TEST2TEST3 LvssDaout Timer SWPower Down ChuckLED0 MNT2MNT3 BUS OUTDA-RST DIG-RSTBeep Dsel A, Dsel BSection Exploded Views Main SectionPanel ASSY, Front US,CND Front Panel Section6059 Button Main203 204 205 206 207 Mechanism Deck MDM-3GC201 202 209 208252 253 254 259257 258 260 271 Section Electrical Parts List Short TC74ACT540FSInductor Chip InductorControl SW Display Eject SW Main SN74HCU04AN NJM78L06ANJM79L12A Line FilterMDS-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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