CDX-CA650X/CA660X/CA690X
SERVICE NOTESTABLE OF CONTENTS
CAUTION1. GENERAL
Use of controls or adjustments or performance of proceduresLocation of controls................................................................. 3
other than those specified herein may result in hazardousGetting Started......................................................................... 3
radiation exposure.CD Player ................................................................................ 4
Radio ....................................................................................... 5
If the optical pick-up block is defective, please replace the wholeOther Functions ....................................................................... 6
optical pick-up block.Connection Diagram................................................................ 7
Never turn the semi-fixed resistor located at the side of optical
pick-up block.2. DISASSEMBLY
2-1. Sub Panel (CD) Assy........................................................... 8
2-2. CD Mechanism Block ......................................................... 8
optical pick-up bk loc
2-3. Main Board ......................................................................... 8
2-4. Heat Sink (Main)................................................................. 9
2-5. Chassis (T) Sub Assy .......................................................... 9
2-6. Lever Section .................................................................... 10
2-7. Servo Board....................................................................... 10
2-8. Arm Roller Assy ................................................................ 11
2-9. Floating Block ................................................................... 11
2-10. Optical Pick-up Block ....................................................... 12
3. DIAGRAMS
3-1. IC Pin Descriptions ........................................................... 13
3-2. Block Diagram �CD Section�........................................... 15
semi-fixed resistor
3-3. Block Diagram �Tuner Section� ....................................... 16
3-4. Block Diagram �Display Section� .................................... 17
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
3-5. Circuit Boards Location .................................................... 17
OR BASE UNIT
3-6. Printed Wiring Boards �CD Mechanism Section�............ 18
The laser diode in the optical pick-up block may suffer electrostatic
3-7. Schematic Diagram �CD Mechanism Section� ................ 20
breakdown because of the potential difference generated by the
3-8. Printed Wiring Boards �Main Section� ............................ 21
charged electrostatic load, etc. on clothing and the human body.
3-9. Schematic Diagram �Main Section (1/2)� ........................ 22
During repair, pay attention to electrostatic breakdown and also use
3-10. Schematic Diagram �Main Section (2/2)� ........................ 23
the procedure in the printed matter which is included in the repair
3-11. Printed Wiring Board �Relay Section� ............................. 24
parts.
3-12. Schematic Diagram �Relay Section� ................................ 25
The flexible board is easily damaged and should be handled with
3-13. Schematic Diagram �Display Section�............................. 26
care.
3-14. Printed Wiring Board �Display Section� .......................... 27
NOTES ON LASER DIODE EMISSION CHECK
4. EXPLODED VIEWS
The laser beam on this model is concentrated so as to be focused on
4-1. Chassis Section ................................................................. 30
the disc reflective surface by the objective lens in the optical pick-
4-2. Front panel Section ........................................................... 31
up block. Therefore, when checking the laser diode emission, ob-
4-3. CD Mechanism Section (1) ............................................... 32
serve from more than 30 cm away from the objective lens.
4-4. CD Mechanism Section (2) ............................................... 33
4-5. CD Mechanism Section (3) ............................................... 34
Notes on Chip Component Replacement
" Never reuse a disconnected chip component.
5. ELECTRICAL PARTS LIST........................................35
" Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
� LA S?CURIT?!!
LES COMPOSANTS IDENTIFI?S PAR UNE MARQUE 0 SUR LES
DIAGRAMMES SCH?MATIQUES ET LA LISTE DES PIéCES
SONT CRITIQUES POUR LA S?CURIT? DE FONCTIONNEMENT.
NE REMPLACER CES COMPOSANTS QUE PAR DES PIéCES
SONY DONT LES NUM?ROS SONT DONN?S DANS CE MANUEL
OU DANS LES SUPPL?MENTS PUBLI?S PAR SONY.
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ACEC
