Sony CFD-K10 User manual

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SERUICE
MANIJAL
Dolbv noise reduction manufactured under license from
Dolby Laboratories
LicensrngCorporation.
"DOLBY" and the double-Dsymbol D0 are
trademarks
of
Dolby Laboratories
LicensingCorporation.
AEP Model
UK Model
n coMPAcl
tîlnGm
lJJUÉJU1J
OIGITALAUOIO
SPECIFICATIONS
CD
player
section
Syslem Compact
disc digitalaudiosyslem
Laserdiodeproperties
-o Material:GaAlAs
Wavelength
u0 nm
Emission
duration:
Continuous
Laser
output:Less
than 44.6Éw'
*
Thisoutput
isthevaluemeasured
at a
distance
ofabout
200mm fromthe
objective
lenssurface
ontheoptical
pick-
up block.
200 r.p.m.to 500 r.p.m.
(CLV)
SonySuperStrategy
CrossInterleave
Read
Solomon
Code
t
20
- 2o,ooo
Hz1] dB
Below
measurable
limit
Spindle
speed
Errorcorrection
Number
of channels
Frequency
response
Wowand lluner
Radio seciton
Frequency
range
Outputs
Power
requrrements
Powerconsumption
Baltery
life
Headphones
jack
(stereo
minijack)
For45
- 68ohms
impedance
headphones
AEP,
Germany,
ltalianmodel:
220-230VAC,50Hz
UKmodel: 240VAC,50Hz
DC 12
V 8 R20
(size
D)batteries
to.CO
radiocassette-corder
OC4,5V 3 R6 (size
AA) batteries
for
clocMimer/memory
DC 3 V 1 lithiumbattery
(CR2025)
for
remotecommander
AÇ22W
Batteries
for radiocassette-corder
FM:s/.6
- 107MHz
(AEP,
U( Germany
model)
87.5
- 108MHz
(ltalian
model)
AM:531
-1602 kHz
IF FM AM
'10.7
MHz 450kHz
Antennas FM:
Telescopicantenna
AM:Built-in
territebarantenna
Tape recorder section and general
Recordingsystem 4-track2-channel
stereo
Fast
windingtime Approx.
140sec.
withSonycassette
C-60
Frequency
response . ryPE | (NORMAL)
cassette:60-14,000
11z
. TYPEll (CrO2)
cassette:60
- 15,000Hz
Speaker Full-rangespeakers:
8cmdia,conetype
Maximum
Dower
output
6,5W+6,5W (at12
ohms,
10
0/o
harmonic
distortion)
Dimensions 480 x 133
x 157 mm (w/h/d)
(19
x 51/4
x 61/4inches)
incl.
projecting
parts
andcontrols
Weight Approx.
7 kg,incl.batleries
(Approx.
15lb 7 oz)
Supplied
accessories
AC power
cord
(1)
Remotecommander
(1)
Designandspecificatrons
subjectlo change
withoutnotice.
CD
RADIOCASSETTT.CORDTR
CD
SECTION
Model
NameUsingSimilar
Mechanism D.20
Optical
DeviceName KSM.224AAN
DECK
SECTION
Model
NameUsingSimilar
Mecha
nism cFD-770L
Tape
TransportMechanism
Type MF-K10-65
Recording Playback CD playing
Sony
SUM-1
(NS) approx.
2 Happrox.
1.5H approx. 0.5
H
Sony
Alkaline
AM1(N)approx.
6 Happrox.
4.5H approx.
1.5H
ForclocMimer/memory:
Apprpx.1year
SONY.

CFD.KIO
Section Title
TABLE
OF
CONTENTS
Page Section Title Page
I. GENERAL
oParts
Identification
.. ............4
o
PowerSource ...........6
. Setting
theClock .......7
. PlayingDiscs
... ........8
o
Adjusting
Sound.. .......9
oVariousdiscPlayingModes.. .............10
. Listening
toRadioPrograms ........ -... -12
r PlayingBackTapes ............14
r Recording
CDSound ............15
. Automatic Editing on the CD for Recording
by
Specifying
the
Tape
Length.. .............16
. Recording
RadioSound ..........17
o
UsingtheBuilt.in
Timer ........18
2, TTIECHANICAL
OPERATION
2-1. Operation
ofthecam
gear ... ..........2I
2-2. FWD
mode .........2I
2-3. REVmode ...........22
2-4. FF
(REW)
mode
.. ............23
2-5. FWDAMSmode... ...........23
2-6. REVAMS
(REW/FF)
mode... ..........23
3. PINDESCRIPTION
3-1. PinDescription. ......24
4. DISASSEMBTY
4-1. Cabinet
(front)
Assy .. ........27
4-2. Speaker .............27
4-3. ControlBoard .......28
4-4. Cabinet
(upper)
Assy
... .......28
4-5. MDBlockAssy .. ....
........29
4-6. Audio-CDBoard
.. ............29
4-7. Cabinet
(rear)
Assy... .........30
4-8. PowerTransformer
... .......30
4-9. VOLAssy,DriverBoard ......30
5. lIIECHANICAL ADJUSTMENTS
Deck
Section ...........31
6, ELECTRICALADJUSTMENTS
DeckSection ...........32
Tuner
Section .........35
CDSection. ........... .36
7, DIAGRA]IIS
7-I. CircuitBoards
Location ......40
7-2. PrintedWiringBoards
- TunerSection
- ........4I
7-3. SchematicDiagram
- TunerSection
- ..........42
7-4. PrintedWiring Boards
- Audio/CD
Section ....46
7-5. SchematicDiagram
- Audio/CD
Section
- ......51
7-6. SchematicDiagram SystemControl/
DisplaySection .......55
7-7
. PrintedWiring Boards
- SystemControl/
Display/Driver/Deck
Section- .........59
7-8. SchematicDiagram
- Driver/Deck
Section
- ... .64
7-9. PrintedWiring Boards Volume/
Power
Section ........67
7-10. SchematicDiagram
- Volume/PowerSection
- ..
69
7
-r1.
8.
8.1.
8.2.
8.3.
8-4.
8-5.
8-6.
Semiconductor
LeadLayouts
9. ELECTRICAL
PARTSLIST
TUIODELIDENTIFICATION
-Model NumberLabel-
I
AEP,
Germany,ltalianmodel:
UKnpdel:
SONY' MoDELNo.
cFD.Klo
CD RADIO
CASSETTE.CORDER
AC:
AC:22O
- 23OY
-SOHz 22W
240Y-5OHz 22W
ForAEP model
CLASS 1 LASER PROOUCÎ
LUOKAN 1 LASERLAITE
KLA89 'I LASERAPPAFAT
ThisCompactDisc player
is
classitied
as a CLASS1
LASER
product.
The CLASS1 LASER
PRODUCT
labelis located
on lhe rearexlerior.
SAFETY.RELATED COMPONENT WARNING!
!
COMPONENTSIDENTIFIED BY MARK A OR OOTTSO
L|NE W|TH MARK a ON THE SCHEMAîC DTAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUB.
LISHED BY SONY.
-2

SERVICING
NOTES
1
r
,
4
CAUTION
Danger of explosion if battery is incorrectly re'
placed.
Replace
only with the sameor equivalent
typerecommended
by the equipment
manufacturer'
Discardused
batteriesaccording
to manufacturer's
instructions.
ADVARSEL
LithiumbatteriEksplosj
onsf
are'
Ved utskifting benyttes
kun batteri som
anbefaltav aPParatfabrikanten'
Brukt batteri returneres
apparatleverandcren'
@
On repairingCD section,
playing a discwithout the CD lid'
use
ChuckPlateJig
r Code
number
of Chuck
Plate
Jig: X'4918-255-1
2.
3.
4.
Using a thin noisedriver' pressingthe protrusion at the
l"o it ,n" taot (leal switch)will tum ofi th,e
3801 and
""i *'"",aa the
closed
state
o{
the
CD
lid
.@)
\ "55l-,' t
\.. - --e-' .//
X-:Z
NOTES
ON
LASER
DIODE
EÛIISS]ON
CI{ECK
The laser beamon this model is concentrated
so as to be
focused
onthediscreflectivesurface
by theobjective
lens
in
theopticalpick-up
block Therefore'
when
checking
thelaser
diode emission,
observemore than 25cm away from the
objective
lens.
HOW
TO CHECK
THE LASER
DIODE
In this unit system'
thelaserdiode
will not emit light unless
theCD lid is closed
and5801
(leafswitch)is turnedoff with
the POWER switch ON and pressthe function button to
"cD".
oChecking
Procedure
f. f u.n -ON ,t " POWER switch and pressthe function
button
to "CD".
Open
theCDlid.
As illustrated,
while turntng off 5801'
pressthe D key'
6o**l ,n" objective
lens
and
verifv that thelaser
diode
emits lieht. If no light is emitted' the automaticpower
i".it"i "o*n or optical pick-upblock mav be at fault'
N"," ,n", the laser diode is energized
for about three
seconds
for focus
search'
,a VARNING
Explosionsfaravid felaktigt batteribyte' Anvând samma
U",,"ri ro eller en ekvivalent typ som rekommenderas-
av
loo"ruuiff"".f."."n' Kassera anvànt batteri enligt fabri-
kantens
instruktion'
VAROITUS
Paristo
voi ràjàhtââ,1os
se
on
virheellis€sti
asennet*:Uitlf
ourirro "inouat"anlaitevalmistajan
suosittelemaan
tyyppltn
Hàvitâ kâytetty paristovatmistajan
ohjeiden
mukaisesti'
|
-Ciocx
on
slse
uNlr , '__--__
îi-" t""".-t
" t""". aioae in the optical pick-up block may
-sutrer
"*ot*ort" breakdownbecause
of the potential difference
;;;;-t;t" charged
electrostatic
load' etc' on clothins
and the human body'
During repair,pay attentionto electrostatic
breakdownand
;;,;ï;; t';"edure intheprinted
matterwhichisincluded
in the rePairPans'
The flexible boardis easilydamaged
andshould
behandled
with care.
f'o-
thirÈnoise
drivor
s801
I F--r
PrF tle lea{switchin
the arrowed
direction
to
set
the unitto thecloseo
state
ol the CD lid'
ADVARSEL
!
LithiumbatteriEksplosionsfare
vedfejlagtig hândtering'
Udskiftning mâ kun skemed
batteri
af samme
fabrikat ogtYPe'
Leverdet brugtebatteri tilbagetil leverandoren'
-3-

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2
MECHANICAL
OPERATION
Modes are changed by that "solenoid plunger" triggers "gear cam" to rotate in synchronizing with flywheel (N).
Main mechanical part names are shown in the followings precedently to mechanism operation.
. MOTOR
spmg (cam) totsion
pulley
(motot capstan)
motot dc (tæl)
rl
rl
. CASSETTE
geat (rcet) (S)

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2-1. Operation
of thecam
gear
Perspective viewed from cassette
Operations
areperformedasfollows
;
1. Power
issupplied
to "solenoid
plungeC''
2. "l*ver PL" movesin thedirectionof arrrow'
3. "Gearcam" is tumed by "spring (cam) torsion"'
4. "Gear cam" is alignedwith "flywheel (N) gear" so that "geâr
cam" is tumed.
(Approx. 0.5 seconds/lturn)
2-2. FWD
mode
Power is supplied
to "motor
tumed
by "belt
(caPstan)". capstan" and "flYwheel" is
Pow€r
is supplied
to "solenoid
plunger",
"gearcam" is
tumed,
ahead
is
switched
toNOR
mode,
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ahead
base
is
moved
forward.
PersDective
viewed
fromcassette
geat
cam leverPL
guideof NOR
guideol REV
stidet
(NR2)
"Lever N" is turnd counterclockwiseby "gear cam" and is
locked
at"level
PL".
Rotation
(counterclockwise)
of "lever N" is synchronized
with sliding
of "slider
(NR2)". When "stider (NR2)" is slid
rightward, mode of a head is switchedfrom REV to NOR'
Simultaneously
"lever
PL" ispressed
to acapstan'
(r)
(2)
lo
gearcam solenoid
PIUnger
t
direction
of d ve
spring
(cam)
totston leverPL
fwheel (N)geal
_,/
ftywheel (N) Wheel (R)
STOP- FWD
TIMING CHART
< INPUT
< LED
CM
PL
RM-H
LINE MUTE
cM"""'
rL
RM
"""'
RM.H
..,'
motot caPstan
ON/OFF
signal
ptunger
ON/oFF signal
reelmotorON/OFF signal
- F:FWD direction
- R:REV ditaction
reelmotor
drivevoltage
switching
signal
- H: NOR
- L: High

CFD.KlO
(3) "Base
head"is moved foward andthebreakis detached
from
the reel table. "Motor dc (reel)" is driven counterclockwise
and the reel table (T) is turned by ,,geatdriveng,,. ,,Lever
PL" is pressed
to thecapstan.
(4) "Base
head"
is moved
forward
by ,,.pring
tooion,'of link
(limiter) in synchronizingwith rotatingof ,,gear
cam". ,,Gear
came"
istumed
and
is
locked
by ,,lever
pL,'.
(5) FWD modeswirching is completed.
Differences from FWD
mode
Suction
time of "solenoidplunger" is long,,,leverN,, is not
lockedby "lever PL", anda headis set to REV mode.
The
slider(NR2)
isset
to REVmode
and,,level
pL (R)"ispressed
to a capstan.
"Lever N" is turned by .,gear
cam". However,
"lever PL" isnot lockedandis setback to previous
position
because
"lever PL" is sucked
by ,,solenoid
plunger".
"Motor reel" is drivenclockwisein REV mode.
ol
2.3. REV
mode
SToP
' REV
TIMING
CHART
> INPUT
> LED
CM
PL
RM-R
RM-H
LINEMUTE
!- reyjn is receivêd.
Kêy-in
'" '.n'on"o j 5::-;î"J:
teel table (S)
gear(motot)
(ditectly
connected
torcel motot)
levet PL (N)
(attached
beneath"base
head,)
\o
Islider
(NR2)
Perspective
viewed
fromcasselre
slider
(NR2)
Y
\.
base
head
locked
pottion
Iink (limiter) levet PL
\rt gearcam