TABLE OF CONTENTSSERVICING NOTE
1. GENERAL..........................................................................4
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
2. DISASSEMBLY
2-1. CD Door, CD Base and Base Unit ........................................ 6
2-2. Rear Panel ........................................................................... 6The laser diode in the optical pick-up block may suffer electrostatic
2-3. Bottom Cover and Front Panel Block ................................... 7break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
2-4. Door Cover Assy and Mechanical Deck (Cassette) .............. 7During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.3. MECHANICAL ADJUSTMENTS...............................8
The flexible board is easily damaged and should be handled with
care.4. ELECTRICAL ADJUSTMENTS.................................8
NOTES ON LASER DIODE EMISSION CHECK5. DIAGRAMS
5-1. Circuit Boards Location ...................................................... 13
The laser beam on this model is concentrated so as to be focused on5-2. IC Pin Function ................................................................... 14
the disc reflective surface by the objective lens in the optical pick-5-3. Schematic Diagram N CD Section N ............................... 16
up block. Therefore, when checking the laser diode emission,5-4. Printed ob-Wiring Board N CD Section N ............................. 19
serve from more than 30 cm away from the objective lens.5-5. Schematic Diagram N Input/Output Section N ................ 21
5-6. Printed Wiring Board N Input/Output Section N .............. 23
5-7. Printed Wiring Board N Deck Section N .......................... 25
5-8. Schematic Diagram N Deck Section N ............................ 27
5-9. Schematic Diagram N Display Section N ........................ 30
5-10. Printed Wiring Board N Display Section N ................... 33
5-11. Schematic Diagram N Power Section N ........................ 36
5-12. Printed Wiring Board N Power Section N ..................... 39
5-13. IC Block Diagrams ........................................................... 41
6. EXPLODED VIEWS
6-1. CD Section ......................................................................... 45MODEL IDENTIFICATION
6-2. Rear Panl Section ................................................................ 46N AC POWER SUPPLY CODE N
6-3. Front Panel Section ............................................................. 47
6-4. Mechanism Deck Section (Cassette) .................................. 48
6-5. Base Unit Section (BU17-BD19)........................................ 49AEP, East European, CIS model
7. ELECTRICAL PARTS LIST........................................50
(Without voltage selector)
Singapore, Malaysia,
Hong Kong model
(With voltage selector)
UK model
US, Canadian model
� 3 � |
ACEC
SONY
