Sony cfd 44 service manual

Page 1

I If

CFD-44

US Model
Canadian Model
AEP Model

UK Model

Model Name Using CD Section New
sumilar Mechanism Tape section CFD-Q

KSMA21SBGN/S-N
M F-C F028

Optical Pick-up Type

Tape Transport Mechanism Type

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL

HARMONIC DISTORTION

With 6vohm loads, both channel driven from ISO-10,000 Hz, rated 4 W
per channeLminimum RMS power, with no more then 10% total harmonic
distortion in AC operation, (US model)

CD player section

System
Compact disc digital audio system

Laser diode properties
Material : GaAIAs
Wave Length : 780nm
Emission duration : Continuous
Laser output : Less than 44l6mW

(This output is the value measured at a distance of about

200 mm from the objective lens surface on the optical Pick-up
block with 7 mm apertures)

Spindle speed
200 r l min (rpm) to 500 r/ min (rpm) (CLV)

Number of channels
2

Frequency response
20 - 20,000 Hz H [72 dB

Wow and flutter
Below measurable limit

MICROFILM

Radio section
Frequency range
FM : 87.6 - 107 MHZ (AEP. UK model) v
8746 - 108 MHz (US, Canadian model)
87.5 - 108 MHz (Italian model)
AM : 530 - [,710kHz (US, Canadian model)
53l - 1.602kHz (AEP, UK. Italian model)
IF FM : IOV7MHZ
AM : 450kHz
Aerials
FM : Telescopic aerial
AM : Built~in ferrite bar aerial

Cassette-cordor section
Recording system
4-track 2 channel stereo
Fast winding time
Approx. ] 155 (see) with Sony cassette C-6O
Frequency response
TYPE I (normal) : 70»l0,0DOHz

General
Speaker
Full range : i0 em din, 3.2 ohms, cone type (2)
Outputs
Headphones jack (stereo minijack)
For 16 » 68 ohms impedance headphones
Power output (excluding US model)
4.5W + 45W (at 10% harmonic distortion in DC operation)
- Continued on page 2 ~

on RADIO CASSElTE-CORDER
S 0 NY;

Page 2

Power requirements
120 V AC. 60Hz.: US, Canadian model
220 - 230 V AC, SOHZ : AEP, Italian model
230 ~ 240 V AC, 50H: : UK model
12V DC, 8 size D (R20) batteries
Power consumption
AC 25 W , .
Battery Life
Whig-
Sony R20? : approx 9 h
Sony alkaline LRZO : approx. 18 h
Tape playback
Sony RZOP : approx. 5 h
Sony alkaline LRZO : approx. 9 h
CD playback
Sony RZOP : approx) 3.5 h
Sony alkaline LRZD : approx. 7 h

Dimensions
Approx. 400 x 173 x 244 mm (w/h/d)
(153/. X 67/) X 95/; inches) (incl. projecting parts)
Mass
Approx. 4kg (8 1h 13 oz) (incl. batteries)
Supplied accessory .
AC power cord (1)
Design and specifications are subject to change without notice.

CAUTION

Use of controls or adjustments or performance of procedures other
than those specified herein may result in hazardous radiation expo-
SUIC.

Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.

For customers in Europe

This Compact Disc player is
classified as aCLASS 1 LASER
product.

The CLASS 1 LASER
PRODUCT label is located on
the rear exterior.

CLASS 1 LASER PRODUCT

LUOKAN 1 LASERLAITE
KLASS1 LASEHAFPARAT

MODEL IDENTIFICATION
- Model Number Label -

SONY.

MODEL NO. cFD-44,

//////////////////////

A0120V~60Hz : US, Canadian model
AC 220V-230VN50H2 : AEP. Italian model
AC 230VV50Hz : UK model

TABLE OF CONTENTS

Section lit-k IE
Specification ..................................................................................... l
1. SERVICING NOTES .................................................... 3
2. GENERAL -

Location and Function of Controls ............................................ 5
3. DISASSEMBLY

4.

3-]. Cabinet (Front) Removal ..
3-2. Cabinet (Upper) Removal .
3-3. CD Section Removal ..
3-4. Main BoardRemoval ..
3-5. Power Board and Transformer Board Removal .......

ooqxloat

ADJUSTMENTS
4-1. Mechanical Adjustment
4-2. Electrical Adjustment

EXPLAMNATION OF 16 TERMINALS ................... 15
DIAGRAMS
6-1. Block Diagram (Main Section) .. 17

6-2) Block Diagram (CD Section)
6-3. Circuit Boards Location ........
6-4. Printed Wiring Boards ............................
6-5. Schematic Diagram (Main (1/2) Section
6-6. Schematic Diagram (Main (2/2) Section) ..
6-7. Printed Wiring Boards (CD Section)
643. Schematic Diagram (CD Section)
6-9. 1C Block Diagram ..........

EXPLODED VIEWS
7-1 . Cabinet (Front) Section .i
7-2. Cabinet (Rear) Section
7-3. Cabinet (Upper) Section
7-4. Mechanism Deck Section -I .
7-5. Mechanism Deck Section -2.
7-6. CD Chassis Section
7«7. Optical Pick-up Section

ELECTRICAL PARTS LIST ................................................ 47