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- page 33
Models:
4-216-349-0 US model 4-216-349-1 Canadian model 4-216-349-2 AEP
4-216-349-5
Hong Kong model
Singapore model
UK model 4-216-349-3 Australian model 4-216-349-4
1
33
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58 pages, 3.8 Mb
MDS-JE330
– 37 –
– 38 –
6-4.SCHEMATIC DIAGRAM – BD (1/2) SECTION –
• See page 34 for Waveforms.
• See page 52 for IC Block Diagrams.
• See page 55 for IC Pin Functions.
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(Page 39)
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Contents
Main
MDS-JE330
SERVICE MANUAL
MINIDISC DECK
SELF-DIAGNOSIS FUNCTION
ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS
Page
Fig. A. Using an AC voltmeter to check AC leakage.
TABLE OF CONTENTS 1. SERVICING NOTE 2. GENERAL 3. DISASSEMBLY
4. TEST MODE 5. ELECTRICAL ADJUSTMENTS 6. DIAGRAMS
8. ELECTRICAL PARTS LIST
7. EXPLODED VIEWS
SECTION 1 SERVICING NOTE
JIG FOR CHECKING BD BOARD WAVEFORM
Page
CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS
FORCED RESET
RETRY CAUSE DISPLAY MODE
Fig. 1 Reading the Test Mode Display (During recording and stop)
Fig. 2 Reading the Test Mode Display (During playback)
Hexadecimal
Binary Conversion Table
LOCATION OF PARTS AND CONTROLS
SECTION 2 GENERAL
2 4 6 7 89101112135
13141516 171819
SECTION 3 DISASSEMBLY
3-1. CASE AND FRONT PANEL
Two screws (Case)
Front panel assembly
Five screws (BVTP3x8)
3-4. SW BOARD AND LOADING MOTOR (M103)
3-3. BASE UNIT (MBU-5A) AND BD BOARD
SECTION 4 TEST MODE
4-1. PRECAUTIONS FOR USE OF TEST MODE
4-2. SETTING THE TEST MODE
4-3. EXITING THE TEST MODE
4-4. BASIC OPERATIONS OF THE TEST MODE
4-5. SELECTING THE TEST MODE
D: Develop
Group (*) C: Check S: Service A: Adjust
Page
4-6. FUNCTIONS OF OTHER BUTTONS
4-7. TEST MODE DISPLAYS
MEANINGS OF OTHER DISPLAYS
5-1. PARTS REPLACEMENT AND ADJUSTMENT
Check and adjust the MDM and MBU as follows. The procedure changes according to the part replaced
SECTION 5 ELECTRICAL ADJUSTMENTS
Abbreviation OP : Optical pick-up OWH: Overwrite head
5-2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSINON
5-3.PRECAUTIONS FOR USE OF OPTICAL PICK- UP (KMS-260A)
Optical pick-up flexible board
5-4. PRECAUTIONS FOR ADJUSTMENTS
5-5. CREATING CONTINUOUSLY RECORDED DISC
5-6. CHECKS PRIOR TO REPAIRS
Page
5-7. INITIAL SETTING OF ADJUSTMENT VALUE
5-8. RECORDING AND DISPLAYING THE IOP INFORMATION
5-9. TEMPERATURE COMPENSATION OFFSET ADJUTMENT
5-10. LASER POWER ADJUSTMENT
5-11. TRAVERSE ADJUSTMENT
5-12. FOCUS BIAS ADJUSTMENT
5-13. ERROR RATE CHECK
5-14. FOCUS BIAS CHECK
5-15. AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT
5-15. ADJUSTING POINTS AND CONNECTING POINTS
Page
29 30
6-2. BLOCK DIAGRAMS BD SECTION
(Page 31)
TX
WBLADJ
MDS-JE330
31 32
MAIN SECTION
(Page 30)
R-ch is omitted. Signal path : PB : REC : PB (Digital out) : REC (Digital in)
33 34
WAVEFORMS BD (1/2) SECTION MAIN SECTION
DISPLAY SECTION
d
Q
35 36
(Page 45) (Page 45)
Semiconductor Location
Page
Page
41 42
Page
45 46
Semiconductor Location
6-8.PRINTED WIRING BOARD MAIN SECTION
(Page 51) (Page 36)
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47 48
(Page 45)
Page
6-12. PRINTED WIRING BOARD BD SWITCH SECTION
6-11. SCHEMATIC DIAGRAM BD SWITCH SECTION
51 52
(Page 41)
(Page 45)
6-13. IC BLOCK DIAGRAMS
BD Section IC101 CXA2523AR
53
IC121 CXD2654R
IC152 BH6511FS-E2
54
IC301 UDA1341TS/N2
IC441 LB1641
VSS(AD)
DAC
55
6-14. IC PIN FUNCTIONS
56
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60
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SECTION 7 EXPLODED VIEWS
62
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SECTION 8 ELECTRICAL PARTS LIST
BD
66
BD DISPLAY
67
KEY SW DISPLAY
68
69
SW VOL SEL
70
Sony Corporation
9-928-830-11