Sony MDS-S50 - Manual

Sony MDS-S50

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Table of Contents:

  • Page 2 – SELF-DIAGNOSIS FUNCTION; Self-diagnosis function; The recording was not made properly.; General; Power consumption; Supplied accessories
  • Page 3 – ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS; Selecting the Test Mode; Display; knob when displayed as “tm refresh”.
  • Page 4 – — BACK PANEL —; MODEL; TABLE OF CONTENTS
  • Page 5 – CAUTION; LEAKAGE
  • Page 6 – JIG FOR CHECKING BD BOARD WAVEFORM; VC
  • Page 8 – OPTICAL PICK-UP BLOCK TYPE DISCRIMINATION
  • Page 9 – Remove the short-pin attached to CN406, and then attach it again.
  • Page 10 – RETRY CAUSE DISPLAY MODE
  • Page 12 – Parts Identification; Main unit; BUTTON DESCRIPTIONS
  • Page 13 – This set can be disassembled in the order shown below.
  • Page 16 – Be careful to handle the over write head (HR901) because it is
  • Page 20 – SECTION 4
  • Page 23 – Error rate display
  • Page 24 – Procedure
  • Page 25 – Check before replacement
  • Page 26 – Adjustment flow
  • Page 27 – -7. Initial setting of adjustment values; -2. PRECAUTIONS FOR CHECKING LASER DIODE; Optical pick-up flexible board; Optical; Parts to be replaced
  • Page 28 – -5. USING THE CONTINUOUSLY RECORDED DISC
  • Page 31 – INFORMATION; Recording Procedure :; ADJUTMENT; Adjusting Procedure :
  • Page 34 – ADJUSTMENT
  • Page 35 – -17. ADJUSTING POINTS AND CONNECTING POINTS
  • Page 36 – DISPLAY board
  • Page 37 – For schematic diagrams.; μμ; For printed wiring boards.; • WAVEFORMS; qd
  • Page 39 – – MAIN SECTION –
  • Page 40 – Location; Location; • Semiconductor; Location; Location; BD BOARD; OVER
  • Page 45 – MAIN BOARD
  • Page 47 – -10. SCHEMATIC DIAGRAM – DISPLAY SECTION –
  • Page 48 – PT BOARD; BUILT IN TRANSFORMER
  • Page 49 – -12. SCHEMATIC DIAGRAM – POWER SECTION –
  • Page 59 – SECTION 7; • Color indication of Appearance Parts
  • Page 60 – not
  • Page 62 – Description; not supplied
  • Page 63 – SP; BD
  • Page 65 – DISPLAY; AMS
  • Page 70 – REVISION HISTORY; Date
Loading the manual

MDS-JE470

SPECIFICATIONS

SERVICE MANUAL

MINIDISC DECK

Model Name Using Similar Mechanism

MDS-S50

MD Mechanism Type

MDM-7A

Optical Pick-up Type

KMS-260B/260E

US Model

Canadian Model

AEP Model

UK Model

E Model

Australian Model

US and foreign patents licensed form Dolby Laboratories
Licensing Corporation.

System

MiniDisc digital audio
system

Disc

MiniDisc

Laser

Semiconductor laser
(

λ

= 780 nm) Emission

duration: continuous

Laser output

MAX 44.6

µ

W

1)

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 96 dB

during play

Wow and flutter

Below measurable limit

I nputs

ANALOG IN

Jack type: phono
Impedance: 47 kilohms
Rated input: 500 mVrms
Minimum input:
125 mVrms

DIGITAL OPTICAL IN

Connector type: square
optical
Impedance: 660 nm
(optical wave length)

Output s

ANALOG OUT

Jack type: phono
Rated output: 2 Vrms (at
50 kilohms)
Load impedance: over
10 kilohms

— Continued on next page —

Ver 1.0 2001. 05

9-873-891-11

2001E0200-1

© 2001.5

Sony Corporation

Home Audio Company

Shinagawa Tec Service Manual Production Group

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Summary

Page 2 - SELF-DIAGNOSIS FUNCTION; Self-diagnosis function; The recording was not made properly.; General; Power consumption; Supplied accessories

2 MDS-JE470 SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes whichshow the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to ...

Page 3 - ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS; Selecting the Test Mode; Display; knob when displayed as “tm refresh”.

3 MDS-JE470 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode Display op rec tm op play tm spdl rp tm retry err total err err history retry adrs er refresh tm change op change History Displays the total recording time.When the total recording time is more than 1 minute, displays...

Page 4 - — BACK PANEL —; MODEL; TABLE OF CONTENTS

4 MDS-JE470 Description Table of Error Codes Error Code 10 12 20 21 22 23 24 30 31 40 41 42 43 50 51 Could not load Loading switches combined incorrectly Timed out without reading the top of PTOC Could read top of PTOC, but detected error Timed out without accessing UTOC Timed out without reading UT...

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