Table Of Contents - Sony CDX-MP80 Service Manual

Notes on CD-Rs (recordable CDs)/CD-RWs (rewritable
CDs)
This unit can play the following discs:
Type of discs
Audio CD
MP3 files
• Some CD-Rs/CD-RWs (depending on the equipment used for
its recording or the condition of the disc) may not play on this
unit.
• You cannot play a CD-R/CD-RW that is not finalized ∗ .
• You can play MP3 files recorded on CD-ROMs, CD-Rs, and
CD-RWs.
• A CD-R/CD-RW to which a session can be added can be played.
∗ A process necessary for a recorded CD-R/CD-RW disc to be
played on the audio CD player.
NOTE FOR THE OPENING OF THE FRONT PANEL
In this set, the front panel is lowered to below the bottom face when
it is opened.
When servicing the set, place it on a stand having a height of about
2 cm.
Label on the disc
stand

TABLE OF CONTENTS

1. GENERAL
Location of Controls (US, Canadian Model) .......................... 4
Location of Controls (AEP, UK Model) .................................. 4
Connections (US, Canadian Model) ........................................ 5
Connections (AEP, UK Model) ............................................... 6
2. DISASSEMBLY
2-1. Panel Base Assy .................................................................. 7
2-2. Sub Panel (CD) ................................................................... 8
2-3. CD Mechanism Block ......................................................... 8
2-4. Cam Block Assy, Motor Block Assy ................................... 9
2-5. Main Board ......................................................................... 9
2-6. Heat Sink ........................................................................... 10
2-7. Mechanism Block (M) Assy .............................................. 10
2-8. Tray (UM) Assy ................................................................ 11
2-9. MD Assy ........................................................................... 11
2-10. Servo Board ....................................................................... 12
2-11. Optical Pick-up Block ....................................................... 12
3. PHASE ALIGNMENT
3-1. Gear (Cam L) .................................................................... 13
3-2. Gear (Cam R) .................................................................... 13
4. DIAGRAMS
4-1. IC Pin Descriptions ........................................................... 14
4-2. Block Diagram -CD Section- ........................................... 22
4-3. Block Diagram -Audio, Display Section- ........................ 23
4-4. Block Diagram -Bus Control, Power Section- ................. 24
4-5. Circuit Boards Location .................................................... 25
4-6. Printed Wiring Board -CD Mechanism Section- ............. 26
4-7. Schematic Diagram -CD Mechanism Section (1/2)- ....... 28
4-8. Schematic Diagram -CD Mechanism Section (2/2)- ....... 29
4-9. Printed Wiring Boards -Main Section- ............................ 30
4-10. Schematic Diagram -Main Section (1/4)- ........................ 32
4-11. Schematic Diagram -Main Section (2/4)- ........................ 33
4-12. Schematic Diagram -Main Section (3/4)- ........................ 34
4-13. Schematic Diagram -Main Section (4/4)- ........................ 35
4-14. Printed Wiring Board -Display Section- .......................... 36
4-15. Schematic Diagram -Display Section- ............................. 37
4-16. IC Block Diagrams ............................................................ 38
5. EXPLODED VIEWS
5-1. Chassis Section ................................................................. 44
5-2. Cam Section ...................................................................... 45
5-3. Main Board Section .......................................................... 46
5-4. Front panel Section ........................................................... 47
5-5. CD Mechanism Section (1) ............................................... 48
5-6. CD Mechanism Section (2) ............................................... 49
5-7. CD Mechanism Section (3) ............................................... 50
5-8. CD Mechanism Deck Section ........................................... 51
6. ELECTRICAL PARTS LIST
CDX-MP80
........................................ 52
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