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MDS-PC2 service manual Section General, Location of Parts and Controls
Models:
MDS-PC2
1
12
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Specification
Install
Parts list
Section Diagrams
Notes on chip component replacement
Adjusting Points And Connecting Points
Forced Reset
Section Disassembly
Checking Procedure
Error rate display
Page 12
Image 12
SECTION 2
GENERAL
Front Panel
1
2
3
11
10
9
Location of Parts and Controls
This section is extracted from instruction manual.
4 5
8
7
6
12
Page 11
Page 13
Page 12
Image 12
Page 11
Page 13
Contents
SPECIFICATIONS
MDS-PC2
MINIDISC DECK
US Model Canadian Model AEP Model UK Model
SELF-DIAGNOSISFUNCTION
ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS
Table of Error Codes
Selecting the Test Mode
Notes on chip component replacement
Flexible Circuit Board Repairing
ADVARSEL
VARNIG
TABLE OF CONTENTS
3. DISASSEMBLY
6. DIAGRAMS
SAFETY CHECK-OUT
SECTION SERVICING NOTE
JIG FOR CHECKING BD BOARD WAVEFORM
Record Precedure
Display Precedure
CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS
FORCED RESET
Procedure
POWER BOARD Component Side
Procedure
RETRY CAUSE DISPLAY MODE
Precedure
Reading the Display
Reading the Display
Hexadecimal nBinary Conversion Table
SECTION GENERAL
Location of Parts and Controls
SECTION DISASSEMBLY
3-1.CASE AND FRONT PANEL
3-2.MD MECHANISM
3-3.SLIDER CAM
3-4.BASE UNIT MBU-5AAND BD BOARD
Note for Installation of Slider Cam
3-5.SW BOARD AND LOADING MOTOR M103
1 Screw PTPWH M2.6 x 2 Gear B
3 Two screws PWH 1.7 x 4 Loading motor M103
6 SW board 5Three screws BTP2.6
4-1.PRECAUTIONS FOR USE OF TEST MODE
4-2.SETTING THE TEST MODE
SECTION TEST MODE
4-3.EXITING THE TEST MODE
4-5.SELECTING THE TEST MODE
4-5-1.Operating the Continuous Playback Mode
4-5-3. Non-VolatileMemory Mode EEP MODE
2. Error rate display
4-6.FUNCTIONS OF OTHER BUTTONS
4-7.TEST MODE DISPLAYS
1. Mode display
MEANINGS OF OTHER DISPLAYS
Contents
When Lit
When Off
SECTION ELECTRICAL ADJUSTMENTS
5-1.PARTS REPLACEMENT AND ADJUSTMENT
5-4.PRECAUTIONS FOR ADJUSTMENTS
5-5.CREATING CONTINUOUSLY RECORDED DISC
Optical pick-upflexible board
5-6-1.Temperature Compensation Offset Check
Checking Procedure
5-6-2.Laser Power Check
5-6.CHECKS PRIOR TO REPAIRS
5-6-5.C PLAY Checking MO Error Rate Check
CD Error Rate Check
5-6-4.Focus Bias Check
5-6-6. Self-Recording/playbackCheck
5-7.INITIAL SETTING OF ADJUSTMENT VALUE
5-9.TEMPERATURE COMPENSATION OFFSET ADJUTMENT
5-10.LASER POWER ADJUSTMENT
Setting Procedure
5-11.TRAVERSE ADJUSTMENT
Adjusting Procedure
Specified Value
Connection
5-12.FOCUS BIAS ADJUSTMENT
Adjusting Procedure
5-13.ERROR RATE CHECK
5-15.AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT
5-13-1.CD Error Rate Check
5-13-2.MO Error Rate Check
5-15.ADJUSTING POINTS AND CONNECTING POINTS
BD BOARD SIDE A
BD BOARD SIDE B
SECTION DIAGRAMS
6-1.CIRCUIT BOARDS LOCATION
6-2.BLOCK DIAGRAM - BD SECTION
SIGNAL PATH
MDS-PC2
PB Digital out
Page
MAIN SECTION
PB REC
SIGNAL PATH
WAVEFORMS
BD 1/2 SECTION
BD 2/2 SECTION
PANEL SECTION
6-3.PRINTED WIRING BOARD - BD SECTION
See page 30 for Circuit Boards Location
SEMICONDUCTOR LOCATION
SOLDER BRIDGE SEMICONDUCTOR LOCATION
6-4.SCHEMATIC DIAGRAM - BD 1/2 SECTION
See page 45 for IC Block Diagrams
See page 33 for Waveform
See page 48 for IC Pin Function
6-5.SCHEMATIC DIAGRAM - BD 2/2 SECTION
See page 34 for Printed Wiring Board
MDS-PC2
Page
6-6.SCHEMATIC DIAGRAM - MAIN 1/2 SECTION
See page 39 for Printed Wiring Board
MDS-PC2
6-7.SCHEMATIC DIAGRAM - MAIN 2/2 SECTION
See page 47 for IC Block Diagrams
Page
MDS-PC2
6-8.PRINTED WIRING BOARD - MAIN SECTION
SEMICONDUCTOR LOCATION
MDS-PC2
Page
6-9.SCHEMATIC DIAGRAM - PANEL SECTION
See page 33 for Waveform
MDS-PC2
Page
6-10.PRINTED WIRING BOARD - PANEL SECTION
MDS-PC2
Page
See page 30 for Circuit Boards Location
6-11.SCHEMATIC DIAGRAM - POWER SECTION
MDS-PC2
MAIN
DIGITAL
6-12.PRINTED WIRING BOARD - POWER SECTION
SEMICONDUCTOR
LOCATION
MDS-PC2
6-13.SCHEMATIC DIAGRAM - BD SWITCH SECTION
6-15.IC BLOCK DIAGRAM
6-14.PRINTED WIRING BOARD - BD SWITCH SECTION
BD section
IC121 CXD2654R
IC152 BH6511FS-E2
MAIN section
IC301 UDA1341TS/N2
IC441 LB1830M
6-16.IC PIN FUNCTIONS
IC101 RF Amplifier CXA2523AR BD board
MNT0 FOK
Data input/output for DRAM
TFDR
IC501 System Control M30620MC-406FPMAIN board
PB-P
SECTION EXPLODED VIEWS
7-1.CABINET SECTION
7-2.MECHANISM SECTION MDM-5A
524 513 511512 517 518
520 522
503
7-3.BASE UNIT SECTION MBU-5A
554
SECTION ELECTRICAL PARTS LIST
BACK UP
MAIN
MAIN
Ref. No
PANEL
MAIN
POWER
PANEL
POWER SW
9-928-916-11
MDS-PC2
Sony Corporation
Home Audio Company