MDS-JE320

THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.

6-2. CIRCUIT BOARDS LOCATION(In addition to this necessary note is printed in each block.)

For schematic diagrams.

Note:

 

 

All capacitors are in µF unless otherwise noted. pF: µµF

 

 

 

50 WV or less are not indicated except for electrolytics

 

 

 

and tantalums.

 

 

 

All resistors are in Ω and 1/4 W or less unless otherwise

 

 

 

specified.

 

 

 

%

 

: indicates tolerance.

 

 

 

¢

 

: internal component.

 

 

 

2 : nonflammable resistor.

 

BD board

1 : fusible resistor.

 

SW board

C : panel designation.

 

 

 

 

 

 

 

 

 

 

 

 

Note:

 

 

Note:

 

 

MAIN board

The components identified by

Les composants identifiés par

 

 

mark !or dotted line with mark

une marque ! sont critiques

 

 

 

 

 

 

!are critical for safety.

pour la sécurité.

DISPLAY board

 

 

Replace only with part number

Ne les remplacer que par une

 

 

specified.

 

pièce portant le numéro spécifié.

 

 

 

 

 

 

U : B+ Line.

 

 

 

V : B– Line.

 

 

 

H : adjustment for repair.

 

 

• Voltages and waveforms are dc with respect to ground

 

 

 

under no-signal (detuned) conditions.

 

 

 

No mark : FM

 

 

 

 

(

)

: PLAY

 

 

 

 

<

>

: REC

 

 

 

• Voltages are taken with a VOM (Input impedance 10 MΩ).

 

 

 

Voltage variations may be noted due to normal production

 

 

 

tolerances.

 

 

 

Waveforms are taken with a oscilloscope.

 

 

Circled numbers refer to waveforms.

 

 

Signal path.

 

 

 

 

E :PB

 

EJECT SW board

 

 

q :REC

 

r :REC(DIGITAL IN) a :REC(DIGITAL OUT)

CONTROL (SW) board

For printed wiring boards.

Note:

X

: parts extracted from the component side.

¨

: Through hole.

¢

: internal component.

b : Pattern from the side which enables seeing.

p

: parts mounted on the conductor side.

Waveform

BD SECTION

1IC101 1,2 I, J

 

(PLAY mode)

 

 

0.46Vp-p

2 IC101 4 A (PLAY mode)

 

0.1Vp-p

3 IC101 8,9 E, F

 

(PLAY mode)

 

 

0.06Vp-p

4 IC121 OSCI

 

22.581MHz

3.1Vp-p

5 IC121 LRCK

 

44.1KHz

3.2Vp-p

6 IC121 XBCK

 

2.822KHz

3.8Vp-p

7 IC121 FS256

 

11.29MHz

3.8Vp-p

8 IC121 FS4

 

176.4KHz

3.2Vp-p

• MAIN SECTION

1IC316 (XOUT)

 

 

11.998MHz

3.2Vp-p

2 IC316 (XOUT-T)

 

32.77kHz

2.6Vp-p

3 IC307 0 (LRCK1),

￿

@(LRCK2)¥

 

 

44.1kHz

3.3Vp-p

4 IC307 (BCK1),

 

￿

(BCK2)

 

 

2.822MHz

5.2Vp-p

5 IC307 (MCK1),

￿

(256CK)

 

 

11.29MHz

5.6Vp-p

6 IC307 (512FS)

 

 

22.581MHz

3.4Vp-p

7 IC307 (XOUT)

 

 

22.58MHz

5Vp-p

PANEL SECTION

1IC701 (OSC1)

2.4MHz 3.9Vp-p

— 25 —

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Page 22
Image 22
Sony MDS-JD320 service manual Waveform, For schematic diagrams, For printed wiring boards

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.