Nakamichi DRAGON-CD Limited User manual

DRAGON-CD Limited (CD Player Unit)
i
Service Manual
Service Manual
DRAGON-CD/DAC
Limited
MusicBank CD Player System
DRAGON-CD/DAC Limited Service Manual

DRAGON-CD Limited (CD Player Unit)
ii
CONTENTS
This service manual consists of the following units.
• DRAGON-CD Limited (CD Player Unit)
• DRAGON-PS Limited (Power Supply Unit)
• DRAGON-DAC Limited (DAC)
Note:
This RAGON-CD/DAC Limited Service Manual describes the different items from the
DRAGON-CD/DAC (0Q06188A) issued on April, 1995. For items other than described in
this Service Manual, please refer to the RAGON-CD/DAC Service Manual.
[DRAGON-CD Limited — CD Player Unit]
1. General.................................................................................................................................................................. 1-2
2. Mechanism Ass'y and Parts List ........................................................................................................................ 1-4
2.1. Synthesis ..................................................................................................................................................... 1-4
2.2. Front Panel Ass'y (A01) ............................................................................................................................... 1-6
2.3. Rear Panel Ass'y (A02) ................................................................................................................................ 1-7
2.4. Mechanism Deck Ass'y (A03) ....................................................................................................................... 1-8
2.5. TrayAss'y (B01) ............................................................................................................................................ 1-10
2.6. Side Chassis R Section (B02)....................................................................................................................... 1-11
2.7. Main Chassis Section (B03).......................................................................................................................... 1-12
2.8. Drive Unit CA Section (B04).......................................................................................................................... 1-13
3. Modified Circuit .................................................................................................................................................... 1-14
[DRAGON-PS Limited — Power Supply Unit]
1. Mechanism Ass'y and Parts List ........................................................................................................................ 2-2
1.1. Synthesis ..................................................................................................................................................... 2-2
1.2. Front Panel Ass'y (A01) ................................................................................................................................ 2-3
2. Remote Control Unit ............................................................................................................................................ 2-4
[DRAGON-DAC Limited]
1. General.................................................................................................................................................................. 3-2
2. Parts Location for Electrical Adjustment........................................................................................................... 3-4
3. Electrical Adjustments ........................................................................................................................................ 3-4
4. Mechanism Ass'y and Parts List ........................................................................................................................ 3-5
4.1. Synthesis ..................................................................................................................................................... 3-5
4.2. Front Panel Ass'y (A01) ................................................................................................................................ 3-7
4.3. Rear Panel Ass'y (A02)................................................................................................................................. 3-8
5. Mounting Diagrams and Parts List..................................................................................................................... 3-9
5.1. DIF D-D P.C.B. Ass'y .................................................................................................................................... 3-9
5.2. DAC FA P.C.B. Ass'y .................................................................................................................................... 3-10
6. IC Block Diagrams ............................................................................................................................................... 3-13
7. Block Diagram ..................................................................................................................................................... 3-15
8. Specifications ..................................................................................................................................................... 3-16
Schematic Diagram for DRAGON-DAC Limited (See the end of this manual.)

DRAGON-CD Limited (CD Player Unit)
1-1
DRAGON-CD Limited
(CD Player Unit)
CD Player Unit
DRAGON-CD
Limited
Tri-Stage Isolation
Push
MusicBank CD Player

DRAGON-CD Limited (CD Player Unit)
1-2
CONTENTS
1. GENERAL
1.1. Product Code
V686 1.2. Destinations
USA, CAN, OTR, EP, JPN
Abbreviations
USA — U.S.A.
CAN — Canada
OTR — Other
EP — Europe
JPN — Japan
1. General.................................................................................................................................................................. 1-2
2. Mechanism Ass'y and Parts List ........................................................................................................................ 1-4
2.1. Synthesis ..................................................................................................................................................... 1-4
2.2. Front Panel Ass'y (A01) ............................................................................................................................... 1-6
2.3. Rear Panel Ass'y (A02) ................................................................................................................................ 1-7
2.4. Mechanism Deck Ass'y (A03) ....................................................................................................................... 1-8
2.5. TrayAss'y (B01) ............................................................................................................................................ 1-10
2.6. Side Chassis R Section (B02)....................................................................................................................... 1-11
2.7. Main Chassis Section (B03).......................................................................................................................... 1-12
2.8. Drive Unit CA Section (B04).......................................................................................................................... 1-13
3. Modified Circuit .................................................................................................................................................... 1-14

DRAGON-CD Limited (CD Player Unit)
1-3
1.3. Package Ass'y and Accessory Ass'y
Fig. 1 Schematic
Ref. No. Part No. Description Q'ty
Schematic
Ref. No. Part No. Description Q'ty
— Package Ass'y
01 0F05006A Packing (for Power Supply Unit) 2
02 0F04874A Soft Sheet A (for Power Supply Unit) 1
03 0F05002A Packing F,R (for CD Player Unit) 2
04 0F04956A Soft Sheet (for CD Player Unit) 1
05 0F05001A Inner Carton 1
06 0F05009A Outer Carton 1
— Accessory Ass'y 1
0B80864A AC Cord 2P Socket (USA, CAN) 1
0B80826A AC Cord 2P Socket (JPN, OTR, EP) 1
(for Power Supply Unit)
0B80827A NC 3 Cable Ass'y 1
(for Power Supply Unit)
0C09816B Adaptor 3-Inch 7
0D06703A DIN Cord (for Power Supply Unit) 1
0D06717A CD Cloth 1
0F04931A Soft Sheet 1
— Remote Control Unit 1
DG05497A Owner's Manual (Japanese) 1
DG05498A Owner's Manual (English) 1
DG05515A Owner's Manual 1
(English/German/French)
DG05012A Information Ass'y (Japanese) 1
DG05014A Information Ass'y (English) 1
DG05501A Technical Information Ass'y (Japanese) 1
DG05502A Technical Information Ass'y (English) 1
DG05516A Technical Information Ass'y 1
(English/German/French)
0E03310A M4x6 + Binding (Black) 4
0J04310A Washer Poly Slider FT-40 4