Sony cfd 750 service manual

Page 1

CFD-I5II/IBII

SERVICE MANUAL

Photo: CPD-750

US Model
Canadian Model

SPECIFICATIONS
AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC

DIST ORTION

With G-ohm loads, both channels driven from 500-
10,000Hz: rated 2W per channel-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 780nm
Emission duration: Continuous
Laser output: Less than 44i6uW'
* This output is the value measured at a dis-
tance of about 200mm from the objective
lens surface on the optical pick-up block.

Spindle speed 200 rpm. to 500 rpm (CLV)
Error correction Sony Super Strategy Cross Interieave Reed
Solomon Code

Numberolchannels 2
Frequency response 20-20,000Hz 1°; as

We»: and flutter Below measurable limit
Radio section
Frequency range FM: 87.5-1OBMHz

AM: 530-1.710ki-lz
Antennas FM: Telescopic antenna

AM: Built-in ferrite bar antenna

Model Name Using """""""""""""""""""""""
Similar Mechanism Tape Section

CD Section CPS-454

CFS-W505
CFS-60

Optical Device Name KSM-ZIOBAN

Tape Transport
Mechanism Type

DECK A : MFD750PB-64

CFD750 DECK B: MF-D750RP-64

DECK A: MF-D750PB-64

CFD760 DECK B: MF-D760RP-63

Tape recorder section and general

Recording system
Fast winding time
Frequency response

Speaker

Power output

Inputs

Outputs

A-track Zchannel stereo
Approx. 2 min, with Sony cassette 060
- Total with TYPE 1 (NORMAL) cassette:
80~10,000Hz
- Playback with TYPE 1 (NORMAL)
cassette: 60-12,000Hz
Twosway speakers:
Full-range: 10cm dia.. cone type
Woofer: 8cm die.
Model for Canada
Twoway speakers: 6W + SW (at 3.2
ohms, 315Hz, 10% harmonic distortion)
Mixing microphone input jack (minijack)
Sensitivity 2.5mv
For low impedance microphone
Headphones jack (stereo minijack)
For 16~68 ohms impedance headphones

7 continued on next page -

cn RADIII CASSETTE-BORDER
S ON Y;

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' CFD-750/760

Power requirements 120V AC, 60HZ
DC15V. 10 size D (R20) batteries for CD
radio cassette-comer
DC 4.5V, 3 size AA (FIB) batteries for
clock/timer/memory
Power consumption 25W
Battery lite Batteries for CD radio cassette-comer
7 Recording Playback CD playing
Sony SUM-1 (NS) approx. 9H approx. 4H approx. 1.5H
Sony Alkaline AM 1 (N) approx. 16H approx. 8H approx 4H
Dimensions 896 x 255 x 235mm (wlhld)
(27'l2 x IOIa x 93/; inches)
not incl. projecting parts and controls
Weight Approx. 9.4kg, inclt batteries

(Approx. 20 lb 12 02)
AC power cord (1)
Remote commander (1) (for CPD-760 oniy)

Supplied accessory

Design and specifications subject to change without notice.

SAFETY-RELATED COMPONENT WARN INGI!

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

TABLE OF CONTENTS

Section Title Page
1. SERVICING NOTES ............................................. 3
2. GENERAL

2.1 Parts Indel-ltification ............................................ 5
3. DIS ASSEMBLY

3-1. Cabinet (Front) 'Assy

3-2. Cabinet (Upper) Assy~~~~

3-3t MD Assy (DECK A)

3-4. MD Assy (DECK B)

4. MECHANICAL ADJUSTMENTS ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 9
5. ELECTRICAL ADJUSTMENTS

5-1. Tape Recorder Section

5-2. Radio Section ~~~~~~~~~~~~~

5_3. CD Section ......................................................... 13
6. DIAGRAMS

6-1. Circuit Board Location

6-2. Block Diagram -Main Section-

6-3t Block Diagram -CD Section- ~~~~~~~~~~~~~~~

6-4. Printed Wiring Board -Main Section-

6-5. Schematic Diagram -Main Section-

6-6. Schematic Diagram -Power Section-

6-7. Schematic Diagram -CD Section-

68. Pristed Wiring Board -CD Section-u

6-9. Schematic Diagram -Tuner Section-

6-10. Semiconductor Lead Layout ~~~~~~~~~~~~~

7. EXPLODED VIEWS
7-1. Cabinet Section ~
7-2. CD Block Assy ~
7-3. Rear Cabinet Section

741. Speaker Box Section

7-5. Optical Block --------------
7-6. Mechanism Section (1)
7-7. Mechanism Section (2)
7-8. Mechanism Section (3)
7_9. Mechanism Section (4) ........... 53

8. ELECTRICAL PARTS LIST ................................. 54

ATTENTION AU COMPOSANT AYANT RAPPORT
A LA secumrer

Les COMPOSANTS IDENTIFIES PAH une MAROUE A
sun Les DIAGRAMMES scHeMArIoues er LA LISTE
Des Pieces sour CHITIQUES POUR LA sécumre
DE FONCTIONNEMENT. NE REMPLACER ces com.
POSANTS oue PAR Des PIECES souv DONT Les
Numenos sonr DONNES DANS ce MANUEL ou
DANS Les SUPPLEMENTS PueLies PAH souv.