Sony CFD-444L Manuale utente

SERI|ICE

MANIJAL AEP Model

Model

Name

UsingSimilar

Mechanism cF5-3000L

Tape

Transport

Mechanism

TYPe MF-D444-75D

SPECIFICATIONS

CD playor

seclion

System Compact

disc

digital

audio

system

Laser

diodeproperlies lvaterial:

GaAlAs

Wavelength:

780nm

Emission

duration:

Conlinuous

Laser

outpul:

Max04

mw *

*Thisoutput is the value

measured

at a distance

of about l.6mm lrom theobiectivelenssurtace

onthe

optical

Pick'up

block

Frequencyresponse 20-20'000Hz1ldB

Radio s€ction

Frequency

range FM: 87.6-1og MHz

MW: 530- l ,605 kHz

LW: 150-285 kHz

SW:

6-18 MHz

Anlennas FM/SW: Telescopic

antenna

MWLW: Builf

inferritebar

antenna

Tage tecold€r sgclion and genetal

Recording

system 4'track2€hannel stereo

i""t *inO-ini ti." Approx.l.smin with Sonycassette

C6O

Frequency

response 80-10

000

Speakers Full-range

speâkers:

tocm dia

' cone

type

Tweeler:2cm

dia.,ceramlc

lYæ

Peak

musicpower outPut

Outputs

Powerrequirements

Power

consumPtron

8atterylile

Batteries Sony

SUM.1

(NS) Sony

Alkaline

AM1

FM recording Approx.

12 Approx.

Disc recording Approx.3 Approx.3.5 (hour)

22W(11W+1lW)

Line

input

jacks

(phono

jacks)-2

Sensitivity

0.3V

Input

impedance

47kilohmsor higher

Headphones

jack (stereo

minijack)

For8-32ohms impedance

headphones

CD output jacks (phono

jack)-2

Loadimpedance

l0kilohms or higher

Ratedoutput

1.4V

rms

atloadimpedance

47kilohms

22OV AC, SOHz

DC 12V,8 size

D (R20)

batteries

AC40W

Dimensions

Weight

Supplied

accessory

\221x 177mm \w

lhldl

(æ%x8%xTinches)

incl. poecting Parts

and controls

6.2k9

(13lb

11oz)

incl.batteraes

AC powercord (1)

TM/MTI'/LVSIï

OMPACT

DISG

CASSETTE.GORDER

SONY.

SONY

SERI|ICE

MANIJAL AEP Model

c705 1-130483.00

c711 1-130-483{0

c'112 1-124-963-11

c713 1-r30.48300

(lncorrectl

MYLER O.O1MF

ELECT 33MF

MYLER O.Ol

IVF

(lncorrectI

none

(lncorrectl

none

50v

16V

50v

lT"s"

461

c795

IP"r"4-1

RS701

F"s-"

R70'l

lT"r"4tl

(lncorrectl

1-249433-11 (RF

BOARD)...CAR8oN100K5%

RV701 1-237441-11

RV702 1-231442-1'l

(lncorrectl

RES, ADJ, METAL GLAZE

RÊS, ADJ, METAL GLAZE 20K

50K

22K

47K

{Correct}

1-230€95.11 RES, ADJ, MÊTAL GLAZE

1.230.608.11 RES, ADJ, MÊTAL GLAZE

Sony Corporation

Audio Group

CORRECTION-1

File

thiscorrection-1with

theservicemanual.

50Â

20%

À1-532439-21

4W 1

-249433-1

(Correctl

none

1-124469-'t1 E

LECT 220MF 20% 6.3V

none

(Correct)

1.102-110-00

CERAMTC

220PF

{Correctl

LINK, IC

(Correctl

(RF

BOARD)...

CARBON22K 5y. 1t4W

Englidt

aaao547-1

Printed

inJapan

@ 1988.

9.952-980-91

sEcTroN1

OUTLINE

ThoCFD"444

isa casseilecorder

equip@ wltha FM/AM

luner,

compact

dlscplayer,

andlh€ separato

speakers.

CDplayer

3octlon

. Repeal

play

to rep€at

one

orallthsselecÙons.

. Shuttlo

play

to ptay

theselections

inrandom

order.

Program

plây

to play

the

selections

adosired

order.

Caseette

decksectlon

Synchronlzcd

CDæcodlng stad lyltem

General

. $band

graphlc

equallzer

toadiustthe

tone

quality

your

preference.

. Powor

outpul

of 4W+4W (measur€d

attheFTC

regulation)

NOTES

ON HANDLING THE OPTICALPICK.

UP BLOCKOR BASEUNIT

The laser diode in the optical pick-up block may

suffer electrostatic breakdown because

of the poten-

tial difference generatedby the chargedelectrostatic

load,etc.

on clothing

and

thehumanbody.

During repair, pay attention to electrostatic break-

down and also use the procedure in the printed

matter which is included in the repair parts.

The flexible board is easily damaged and should be

handled with care.

SAFETY.RELAlED

COMPONENl

WARNING!

COMPONENTS

IOENTIFIED

BY SHADING

AND MARK

7\ orrr rxe scHEMATtc DIAGRAMS AND tN THE

PARTSLIST ARE CRITICAL

TO SAFE OPERATION.

REPLACETHESE COMPONENTS

WITH SONY PARTS

WHOSE

PART NUMBERS

APPEAR

AS SHOWN

IN THIS

MANUAL

OR INSUPPLEMENTS

PUBLISHED

BYSONY.

CAUTION

a use ot controts

or adjustments

or pertormance

proceOures

olherthanthose

specitjed

he.ein

mav

reSull In hazardoL,'s

radialron

erposure

-2-

l"ro\

4t/

Chuck PlateJig for Repair

When repairing the CD section, use the chuck plate

jig in order to play a discwithout usingthe CD cover.

Chuck platejig part No.: X4918-255-l

Chuck platejig component parts:

Noteson SpindleMotor Repairing

Thespindle

motor (M702)

usedin thissetis pressed

into turntableassy,but the repair

parts

âre

suppûed

separately.

rfihen

replacing,order

bothturntableassyandspindle

motor.

Theinstallationdimension

isasshown

below.

19.4x0.

I mm

TABLE OF CONTENTS

Title

Section

Specifications

Features

Noteson Handling The Optical Pick-up

Block or BaseUnit

Chuck Plate Jig for Repair

Noteson SpindleMotor Repairing

Location and Function of Controls

ServiceMode(serviceprogram). . . . .

Notes

onLaserDiodeEmission

Check .......

1. BLOCK DIAGRAMS

Page

l-l. Radio/RecorderSection

1-2. CDSection

2. DTSASSEMBLY ....11

3. ADJUSTMENTS

3-l . Mechanical

Adjustments

3-2. Electrical Adjustments

AM Section

FM Section

RecorderSection .

CD Section

Reference

4. DIAGRAMS

4-1. Radio/Recorder Section

Mounting Diagram

4-2. Radio/Recorder Section

Schematic

Diagram

4-3. CD Section

MountingDiagram

4-4. CD Section Schematic

Diagram

4-5. IC Block Diagrams

EXPLODED

VIEWS

AND

PARTSLIST .....36

ELECTRICAL

PARTS

LIST......... 42

Troubleshootion

Guide

.. ........ 50

cFD-444L IPage

29,

30 | 17 ,correcred

porrion

I cFp-444L

$'4q'SS\

\ tc704

^,,1\

;\,it-trtm

rnalsurtol'tf

:RD______!1.,,"-.,. cNJ-(.

i "'

E ,El<'

Etu-

, -l*aoeJ-;;1

lf4.";l l-tr] :-,

l1 lJi[] l?L4.lr

'""'1-t;1";:ffiI tÈil

>J lil l:ill<.liEir

l::ll:;lI l;ffi:o

lttJ<o

ô-<I

I *<6

ICD

LEAF

BOARD)

-3-

tI_- |

)l! -.t

ouvog

l8)

l?A

---]

.IluIu! |

__ _:'----------r

ffizt I

+l:iilii:::,:j:jiir'i'i:':j'jjiii:i:i:::jiili'ji:iil:i:1:j'ji:ji'i:ii:':ji'jiji:j+1'1:'1:::1;;à;;''1ii$',ffijrjii'ii:jil:i'j:jl:tit}'

Ïi .c,,tn

rtuo eceldeg '^lalas rol lerulrs "'" ". ----. .U

il",ri;-i'--q-+Ji'trJi-f..!,,,'Ë'

uoluod

pelcarlo.

, Il

-9-

I l.*,iti3i

Itowæ-

282'tâ20

gti?,t11' izi\

dft6,:àtli

sllt :

I)JO

.lt"ji" rr^0

i?:-cili;ciie

"-lnr

^ç-LJ l_l

.. l.:

"-I T"l f

.. L_l l_J

cFD-444L

Fati

Notr:

. Atl capacitors

are in tlF unlessotherwisenoted. pFt rjpF

50WV or lessare not indicated except for electrolytica

and tantalums.

All resistorsare in O and %W or less

unle$ otherwise

soecified.

- i B+ bus.

f: : adjustment

tor repair.

Vollages

are dc wilh respect

to ground

unlessolherwise

L/u

U L .*', noted.

o Readings are taken under service mode with a VOM

(50

kç}/v).

no mark

: STOP

( ):

PLAY

. Voltagevariat;ons

may be noted due to nofmal

produc

lton tolerances.

Waveformsaretakento ground

in service

oscilloscope.

Voltagevariôtions

may be noted dueto

tio

n tolerance_

S : CD signal

path

mooe Dy usrn!]

norma i proouc

Yzav---o

1;.1:'':-*E'

c302

cxP502aH0270

?BnArsa

n PAUST

sÊrR,cH

sroP

iErArn/Ex1€R

aiiF;iiTtS

*,9.L,,"e

Switch

R€f. No, Swilch P6ition

s602

s701

s801

s802

s803

s804

s805

s806

s807

s808

s809

s810

MD pause

LIMITIN

l<<

>>l

REMAIN/ENTÉR

REPEAT 1/ALL

SHUFFLE/RMS

I>/aa

CD HOLDER

OFF

UFF

OFF

",/)'^""".,

-6-

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