Sony RCD-W3 Service Manual

3
RCD-W3
TABLE OF CONTENTS
1. SERVICING NOTE .......................................................... 4
2. GENERAL .......................................................................... 8
3. DISASSEMBLY
3-1. Top Case............................................................................... 9
3-2. Tray Door, Front Panel Assy .............................................. 10
3-3. HP board, FL board, VOL board ........................................ 10
3-4. Back Panel ......................................................................... 11
3-5. Audio Board ....................................................................... 11
3-6. Power Board ...................................................................... 12
3-7. CDP Deck assy (Deck A), CD-R Deck Assy (Deck B) ..... 12
3-8. BD-P Board (Deck A) ........................................................ 13
3-9. CDP Mechanism Assy (Deck A) ........................................ 13
3-10.Spindle Motor Assy, Optical Pick-Up Block (Deck A)...... 14
3-11.BD-R Board........................................................................ 14
3-12.CD-R Mechanism Assy (Deck B) ...................................... 15
4. ELECTRICAL ADJUSTMENT ................................... 16
5. DIAGRAMS
5-1. Circuit Boards Location .................................................... 21
5-2. Block diagrams – CD-R Section (1/2) – ........................... 23
Block diagrams – CD-R Section (2/2) – ........................... 24
Block diagrams – CDP Section –...................................... 25
Block diagrams – Audio Section – ................................... 26
Block diagrams – Power Section – ................................... 27
5-3. Printed Wiring Board – BD-R Section (Side A) – ............ 28
Printed Wiring Board – BD-R Section (Side B) – ............ 29
5-4. Schematic Diagram – BD-R Section (1/6) –..................... 30
5-5. Schematic Diagram – BD-R Section (2/6) –..................... 31
5-6. Schematic Diagram – BD-R Section (3/6) – ..................... 32
5-7. Schematic Diagram – BD-R Section (4/6) –..................... 33
5-8. Schematic Diagram – BD-R Section (5/6) –..................... 34
5-9. Schematic Diagram – BD-R Section (6/6) – ..................... 35
5-10. Printed Wiring Board – Audio Section –........................... 36
5-11. Schematic Diagram – Audio Section – ............................ 37
5-12. Printed Wiring Board – Panel Section – ........................... 38
5-13. Schematic Diagram – Panel Section – ............................. 39
5-14. Printed Wiring Board – Power Section – ......................... 40
5-15. Schematic Diagram – Power Section – ............................ 41
5-16. Printed Wiring Board – BD-P Section –........................... 42
5-17. Schematic Diagram – BD-P Section – ............................. 42
5-18. IC Pin Functions Description ........................................... 43
5-19. IC Block Diagrams ........................................................... 48
6. EXPLODED VIEWS
6-1. Front Panel Section ............................................................. 52
6-2. Chassis Section ................................................................... 53
6-3. CD Play Section (Deck A) .................................................. 54
6-4. CD Record Section (Deck B).............................................. 55
7. ELECTRICAL PARTS LIST .................................56
Error Messages
The following table explains the error messages that appear in the
display.
Message Explanation
CHECK DISC • A record-related button has been
pressed when a finalized disc is in
the DECK B.
• A record-related button has been
pressed when a standard CD is in
the DECK B.
DATA DISC A non-audio CD-ROM or a CDVideo
disc has been placed in the machine.
DISC ERROR • An unfinalized disc has been placed in
the DECK A.
• There is a problem with the disc.
• A DVD disc has been placed in the unit.
DISC FULL There is not enough time left on the disc
to complete a planned recording.
ERROR There is a problem with the tray.
FAILED A dubbing has not been completed
properly.
FULL More than 20 tracks have been
programmed.
NO AUDIO A record-related button has been
pressed when a non-audio disc is in
the DECK B.

Sony RCD-W3 Specifications

Power

power requirements	U.S.A. and Canada 120 V AC, 60 Hz
power requirements other countries	110 – 240 V AC, 50/60 Hz
power consumption	20 W

Audio Specifications

frequency response	20 Hz – 20, 000 Hz (±0.5 dB)
signal-to-noise ratio	More than 100 dB
dynamic range	More than 95 dB

Inputs

analog in impedance	47 kilohms
rated input	330 mVrms
minimum input	125 mVrms

Outputs

analog out rated output	2 Vrms (at 50 kilohms)
load impedance	over 10 kilohms
phones	28 mW, 32 ohms

Weight and Dimensions

dimensions	430 × 108 × 368 mm
mass	4.6 kg