Sony cfd dw 83 service manual

Page 1

US Model
Canadian Model

MEGAMSS

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS
Full-range speakers:

With 6-ohm loads, both channels driven from
500-10000 Hz: rated 2 W per channel-
minimum RMS power, with no more than
10% total harmonic distortion in AC
operation.

Super woofer:

With 6-ohm loads, driven from 50-250 Hz:
rated 5 W minimum RMS power, with no more
than 10% total harmonic distortion in AC
operation.

OTHER SPECIFICATIONS

CD player section

System Compact disc digital audio system

Laser diode properties Material: GaAlAs

Wavelength 780 nm

Emission duration: Continuous

Laser output: Less than 44.6;tW'

This output is the value measured at a
distance of about 200 mm from the
objective lens surface on the optical
pick-up block.

200 rpm. to 500 rpm (CLV)

Sony Super Strategy Cross lnterleave Read

Solomon Code

Spindle speed
Error correction

CD Section CFD-D73
Model Name Using __________ Egg-[55130-
Similar Mechanism Tape Section CFS-D960
CFD-D73

Optical Device Name KSM-15OBGN

Tape Transport DECK A MF-DW83PB~62
Mechanism Type DECK B MF~DW83RP~62

Number of channels 2
Frequency response 20-20000 Hztg dB
Wow and flutter Below measurable limit

Radio section
Frequency range FM: 87s - 108 MHz
AM: 530 --1,605 kHz
Antennas FM: Telescopic antenna

AM: Built-in Ierrite bar antenna

Tape recorder section and general
Recording system 4-track 2-channel stereo
Fast winding time Approx. 2 min with Sony cassette 060
Frequency response 0Total with TYPE 1 (NORMAL) cassette:
60 - 10,000 Hz
0 Playback with TYPE 1 (NORMAL)
cassette: 60 - 12,000 Hz
Speaker Full-range speakers: 10 cm dia, cone type
Super woofer: 8 cm dia.
Model for Canada
Full-range speakers: 25 W + 2.5 W (at 6
ohms. 315 Hz, 10 % harmonic distortion)
Super woofer: 7 W (at 6 ohms, 100 Hz,
10% harmonic distortion)

Power output

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cn RADIO CASSETTE-BORDER
S ONY;

Page 2

CFD-DW83

Inputs Mixing microphone input jack (minijack)
Sensitivity 2.5 mV
For low impedance microphone
Two line input jacks (phono jacks)
Sensitivity 0.3 V
Input impedance 47 kilohms or higher
Outputs Headphones jack (stereo minilack)
For 16 - 68 ohms impedance headphones
Two CD output jacks (phono lack)
Load Impedance 10 kilohms or higher
Hated output 1.26 V rms at load
impedance 47 kilohms
Power requirements 120 V AC, 60 Hz
DC 12 V. 8 size 0 (R20) batteries for CD radio
cassette-corder
DC 4.5 V, 3 size AA (R6) batteries lor
clock/timer
Power consumption Model for USA AC 27 W
Model tor Canada AC 33W
Battery lile Batteries for radio cassette-corder

Recording Playback CD playing
Sony SUM-1 (NS) approx. 2.5H approx. 2H approx. 1 H
Sony Alkaline AMt (N) approx. 3.5H approx. 3H approx. 1 .5H

Dimensions 636.5 x 211 X 226 mm (w/h/d)
(251/3 x 83/3 x 9 inches)
Incl. projecting parts and controls

Weight Approx. 8.3 kg, incl. batteries
(Approx. 18 lb 4.8 oz)

Supplies accessory AC power cord (1)

Design and specifications subject to change without notice.

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK A 0R DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BV SONY.

TABLE OF CONTENTS

Section Title Page
Specifications ....................... 1

1. SERVICING NOTES

Safety Check-out ................. 3
Notes on Handling the Optical Pick-up

Block or Base Unit ................ 3
Chuck Plate Jig on Repairing ......... 4
Test Mode on CD Section Adjustment . . . 4

2. GENERAL

Location and Function of Controls ..... 5
Setting the Clock ................. 6
Using the Built-in Timer ............. 6
3. DISASSEMBLY .................. 7

4. ADJUSTMENTS

4-1. Mechanical Adjustment ............. 10
4-2. Electrical Adjustments .............. 11
Tape Recorder Section ............. 11
Radio Section 12

CD Section ..................... 14

5. DIAGRAMS
5-1. Radio Section Printed Wiring Boards and

Schematic Diagram ................ 18
5-2 Tape Recorder Section

Schematic Diagram ................ 21
5-3. Power Amp, Power Supply Section

Schematic Diagram ................ 24
5-4. Tape Recorder, Power Amp, Power Simply

Section Printed Wiring Boards ......... 27
5-5. CD Section Schematic Diagram ........ 31
56. CD Section Printed Wiring Boards ...... 35
6. EXPLODED VIEWS ............... 40
7. ELECTRICAL PARTS LIST ......... 50

ATTENTION AUCOMPOSANT AYANT RAPPORT
A LA secuané!

LES COMPOSANTS IDENTIFIES PAR UNE MAROUE A
SUR LES DIAGRAMMES SCHEMATIOUES ET LA LISTE
DES PIECES SONT CRITIQUES POUR LA SECURITE
DE FONCTIONNEMENT. NE REMPLACER CES COM~
POSANTS QUE PAR DES PIECES SONV DONT LES
NUMEROS' SONT DONNES DANS CE MANUEL 0U
DANS LES SUPPLEMENTS PUBLIES PAR SONV.