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Teac CD-3 User manual

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IAAI
V24826
T
E
AC
SERVICE
MANUAL
CD-3_
Compact
Disc
Player
COMPACT
DIGITAL
AUDIO
CONTENTS
1
SAFETY
INFORMATION
te,
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Bvorrat
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BION
SE.
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2
2
SPECIFICATIONS
---cc
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3
{+ ER
3
CASE
AND
FRONT
PANEL
REMOVAL
-::--------2-2eseeee
4
HAR
RORLA
4
ADJUSTMENT
AND
CHECKS
---eeee
cece
cece
cece
eee
tteeeteneees
5
28k
£
FER
5
EXPLODED
VIEWS
AND
PARTS
LIST
-------eeeeeeee
reer
12
SRR
LIN-—YURh
6
PC
BOARDS
AND
PARTS
LIST
sighed
asaro)
bhovcal
berets
ev
e-e
Yeats
tee
cetera
vette
16
BiRWcEN-YURAb
Effective
:
June
1994
5704069000
CD-3
1
SAFETY
INFORMATION
,
SAFETY
INFORMATION
This
product
has
been
designed
and
manufactured
according
to
FDA
regulations
“title
21,
CFR,
chapter
1,
subchapter
J,
based
on
the
Radiation
Control
for
Health
and
Safety
Act
of
1968”,
and
is
classified
as
class
1
laser
product.
There
is
not
hazardous
invisible
laser
radiation
during
operation
because
invisible
laser
radiation
emitted
inside
of
this
product
is
completely
confined
in
the
protective
housings.
The
label
required
in
this
regulation
is
shown
(1).
CAUTION
@
If
you
remove
the
above-mentioned
housings
under
the
operating
state
of
the
product,
there
is
a
possibility
of
human
access
to
the
invisible
laser
radiation
emitted
from
the
optical
pickup.
Pay
careful
attention,
not
to
let
the
invisible
laser
beam
enter
into
your
eyes.
@
if
you
find
a
troubled
state
of
the
laser
diode,
change
to
the
specified
new
optical
pickup.
@
lf
you
find
a
troubled
state
of
safety
interlock
parts,
change
to
the
same
type
parts
described
in
parts
list.
CERTIFICATION
THIS
PRODUCT
COMPLIES
WITH
DHHS,
RULES
21
CFR
SUBCHAPTER
J
APPLI-
——
CABLE
AT
DATE
OF
MANUFACTURE
TEAC.
CORPORATION
1)
3NAKA:CHO
WAEASHONO
SIM
TORYO
JAPAN,
MANUFACTURED.
Ww
Optical
pickup:
Type
:
KSS-210A
Manufacturer
:
SONY
Corporation
Laser
output
:
Less
than
0.4
mW
on
the
objective
lens
Wavelength
:760
—
800
nm
e
CAUTION
eACHTUNG
e¢OBSERVERA
e¢
ADVARSEL
(THIS
LABEL
IS
ATTACHED
TO
THE
PLACE
AS
ILLUSTRATED
TO
INFORM
@
THAT
THE
APPARATUS
CONTAINS
A
LASER
COMPONENT.
@)
DIESE
AUFKLEBEMARKE
IST
AN
DEM
IN
DER
ABBILDUNG
GEZEIGTEN
ORT
ANGEBRACHT
UM
DARAUF
HINZUWEISEN,
DASS
IM
INNERN
DES
GERATS
EINE
LASER-KOMPONENTE
BEFINDET.
(1)
PASKRIFTEN
SITTER
PA
APPARATEN
SOM
VISAS
SOM
UPPMANING
OM
ATT
APPARATEN
OMFATTAR
EN
INBYGGD
LASERKOMPONENT.
(1)
DETTE
MAERKAT
ER
ANBRAGT
SOM
VIST
|
ILLUSTRATIONEN
FOR
AT
ADVARE
BRUGEREN
OM
AT
APPARATET
INDEHOLDER
EN
LASERKOMPONENT.
@
DETTE
MARKAT
ER
SOM
VIST
PA
ILLUSTRATIONEN
ANBRAGT
PA
INDERSIDEN
AF
TOPD/AEKSLET
FOR
AT
ADVARE
BRUGEREN
OM
AT
YDERLIGERE
FREMTR/AENGEN
VIL
VA-RE
FORBUNDET
MED
FARE
FOR
AT
UDSATTE
SIG
FOR
LASERSTRALING.
ADVARSEL-
BETJENING
AF
ANDRE
KONTROLLER
OG
REGULATORER
ELLER
BENYTTELSE
AF
ANDRE
FREMGANGSMADER
END
BESKREVET
HERI
ER
FORBUNDET
MED
FARE
FOR
USD/ETTELSE
FOR
LASERSTRALING.
VARNIG:
APPARATEN
INNEHALLER
LASER
KOMPONENT
MED
STRALNING
OVERSTIGANDE
KLASS
1
“ADVARSEL:
USYNLIG
LASERSTRALING
VED
ABNING
NAR
SIKKERHEDSAFBRYDERE
ER
UDE
AF
FUNKTION.
UNDGA
CLASS
1
LASER
PRODUCT
fn
eau
Geni
ANE
UDSAETTELSE
FOR
STRALING.
KLASS
1
LASERAPPARAT
“VAROITUS!
SUOJAKOTELOA
El
SAA
AVATA,
LAITE
SISALTAA
LASERDIODIN.
JOKA
LAHETTAA
(NAKYMATONTA)
SILMILLE
VAARALLISTA
LASERSATEILYA’.
ADVARSEL:
USYNLIG
LASERBESTRALING
NAR
DENNE
DELEN
ER
APEN
OG
SIKKERHETSSPERREN
ER
UTKOBLET
UNNGA
UTSETTELSE
FOR
STRALING.
AUDIO
Number
of
Channels
2
SPECIFICATIONS
Frequency
Response
1
—
20,000Hz
+
0.5dB
Signal
to
Noise
Ratio
Dynamic
Range
Harmonic
Distortion
Wow
and
Flutter
Channel
Separation
Output
Analog
Digital
Headphone
D/A
Converter
Digital
Filter
Analog
Filter
PICK
UP
Type
Objective
Lens
Laser
Type
Wave
Length
SIGNAL
FORMAT
Sampling
Frequency
Quantization
Bit
Channel
Bit
Rate
Channel
Modulation
Code
Error
Correction
GENERAL
Power
Requirements
Power
Consumption
{t
(A-F
44)
2
A-F
Aa
AF
v
VRIVER
Bpeescoaca
Better
than
104dB
(1kHz)
SN
EE
Better
than
97dB
(1kHz)
FAt
2
vv
0.0022
%
(1kHz)
Ppa
Unmeasurable
(Quartz
accuracy)
DIDI
9-
Better
than
102dB
(1kHz)
FrVAaAIenyp—-vay
1.7Vrms
FFOTLA
0.5Vp-p/
75
Q
(Coaxial)
FUFIWBHA
10mW/
33
Q
Ay
FRU
“Bitstream”
conversion
DLA
DY
IN-F—
8-times
oversampling
20-bit
digital
FYUINDANWI—
filter
3rd
order
Butterworth
filter
PFOFIANI—
(Ey
IF
uT7)
Optical
3-Beam
laser
pickup
FX
2-dimensional
parallel
drive
WML
YARHARX
GaAlAs
type
semiconductor
laser
FOR
780nm
BRR
(a5
74—Vv
b)
44.1kHz
BALA
RR
16-bit
linear/
channel
Bitty
h&
4.3218Mb/sec
EL
—h
BAX
EFM
(Eight
to
Fourteen
Modulation)
L5>-i
EAR
CIRC
(Cross
Interleave
Reed
Solomon
Code)
(—Az)
ER
HRED
120/230V
AC,
50
-
6OHz
NET
IK
(General
Export
Model)
28
120V
AC,
6OHz
(USA/Canada
Model)
ian
230V
AC,
50Hz
(Europe
Model)
240V
AC,
50Hz
(UK/
Australia
Model)
10
watts
Dimensions
(W
x
H
x
D)
Weight
(net)
447
x
124
x
276mm
(17-5/8"
x
4-7/8"
x
10-7/8"
)
3.8kg
(8-3/8
Ibs)
Standard
Accessories
Wireless
Remote
Control
Unit
(RC-
532:
for
Gold-finish
version
or
RC-531:
for
Black
finish
version)
x
1,
RCA
pin-plug
cord,
Battery
(SUM-4,
“AAA”,
“RO3”"
type)
x
2
@Ilmprovements
may
result
in
specification
or
feature
changes
without
notice.
CD-3
2F
ve
VRID
1~20,000Hz
+
0.5dB
104dB
LiE
CEIAJ)
97dB
Li_E
(EIAJ)
0.0022
%
LIF
CEIAJ)
Ale
BR
FMB
LF
Ck
aR
EE)
102dB
LAE
CEIAJ)
1.7Vrms
0.5V
p-p/
75
Q
(COAXIAL)
10mW
(33
Q
Bir)
Evy
kARU-L
BEA
-N-DPYPUYT
20Ey
hk
FVII
4
Wa
BRNI-I-RID4NWI-
OL
ABE,
KSEE
L
2RTFT
RH
+a
L
—
780nm
44.1kHz
Ey
bh
ULP/F
er
VR
4.321
8Mb/sec
EFM
CIRC
100V
AC
50-60Hz
10W
447
x
124
x
276mm
(W
x
H
x
D)
3.8kg
@DIVLAVEIY
RC-531
Kfelk
RC-532
eevIs7a—-F
@
fc
Bith
(4,
SUM-4)
x
2
@
Rik
AS
*
HERR
SOSH.
MEORO
PHS
RATS
CEMBVETS
CD-3
3
CASE
AND
FRONT
PANEL
REMOVAL
HSA
ORLA
mble
in
number-
order
Disasse'
BSmBCALT<K
KAU
CD-3
4
ADJUSTMENT
AND
CHECKS
ase
¢
HERS
1.
Replacement
of
the
pickup
assembly
@
Before
removing
the
pickup
assembly
be
sure
to
solder
-bridge
where
indicated
in
the
inset
(Fig.
4-1)
to
prevent
the
laser
diode
from
being
electrostatically
damaged.
After
replacing
the
pickup
assembly,
be
sure
to
unsolder
the
antistatic
bridge.
Or
else
the
laser
diode
does
not
function.
@
Before
servicing
the
pickup
assembly
be
sure
to
prevent
electrostatic-inducer
destruction
by
grounding
not
only
test
equipment
in
use
but
also
yourself
as
shown
in
Fig.
4-2.
*
Electrostatic
charge
drastically
shortens
the
operating
life
of
the
laser
diode
or
possibly
results
in
its
destruction.
@During
the
transportation,
mounting
and
dismounting
of
the
assembly,
support
with
your
fingers
at
points
A
and
B
as
shown
in
Fig.
4-3.
Be
particularly
careful
not
to
touch
the
actuator,
photosensor
and
LD
plate
and
do
not
apply
force
to
them.
@Soldering
must
be
done
quickly
at
less
than
30W,
320°C.
@Don’'t
disassemble
the
pickup
ass’y.
@Don't
apply
shock
to
the
pickup
ass’y.
@Don't
place
the
assembly
in
a
place
subject
to
excessive
dust,
heat
or
moisture.
PCB
1.E
97»
7
ASSY
D3
@LYITYSASSY
EAT
ERA,
V-F-F14-
FORE
ERP
IL
OD,
UTR
(Fig.
4-1)
EBAY
vy
YUT
DOLEBELTC
CREW,
EK.
MONU
SZHAbRo
HK
Bie
BAT)
yp
VERLTCBR
EW
MAT
Y
y
VELKREECAU-¥-PY4A—
FUEL
ES
Ao
@CyITYTASSY
ERYRIBA,
MERE
ECHR
F-ARMALHI.
MAT
-
ARTO,
BERS
+O
PE
LTC
KAU,
(Fig.
4-2)
kL-F-FAA—
Kid,
BBROMDS
EAMRMB
IBF
LEY.
EWE
LETOCHOERLTC
RSW,
@Mott,
MOAL,
Ho
MUORIL,
Fig.
4-30AME
BR
CHATCHEU,
BIT
7
FaL—-¥—,
HRB,
LDF
L—hablid,
FERN
ODEMALY
LEWC
KREUS
@
HAF
IL30W,
320°C
F
HHL.
TIE
<
ML
TC
KS
Wo
@LPYIT
YT
ASSY
AKOMBE
KUSH
EV
LEE
CK
SW,
@EY
IT
yYSASSY
Ire
F
+
HMMA
BUEK
HEY
@ti
-KIVCLORET
2M,
BE
SHROMMILHUT
CHS
Earth
ring
(Lead
wire)
Pick-up
case
Chassis
(GND)
AdNS
LZ
Fig.
4-1
2.
Objective
@Laser
beams
are
similar
to
infrared
rays.
Don’t
look
at
the
beams
directly
and
keep
your
eyes
at
least
30cm
away
from
them.
@Don't
touch
the
objective
with
fingers.
@If
objective
becomes
dirty,
playback
will
deteriorate.
To
clean
the
objective,
moisten
a
good
cleaning
tissue,
such
as
made
by
KODAK,
in
isopropyl
alcohol
and
wipe
the
objective
gently.
Wipe
off
and
excess
fluid
with
a
dry
cleaning
tissue.
Resistor
IMQ~10MQ
Photo
Sensor
Earth
Fig.
4-2
Fig.
4-3
2.
Xv
YALL
DWT
@L—¥-HlLATMAROABAGILMHTT.
HDOREOA.
A
#VY
AAS
30cm
LEBEL
TK
RR,
@VVARIFEAMNEO
EC
HEV,
@VVAINA
¢
&
HHEREHIAUE
FL
ETO,
ROEDEK
dL
TC
KAW,
VY
AY
-aVAR—/S—
(KODAKHBEY)
i.
ooo
E-VPFVA—d
(LP.A)
HL
CHE
LD.
ROR
Uk
DIBFREL
DTC
RAW
CD-3
3.
Laser
diode
check
{lop
(Intensity
Optimum)
check]
Connect
a
DC
voltmeter
between
TP1
and
TP2
on
MAIN
PCB.
Measure
the
DC
voltage
while
playing
a
disc
to
check
that
the
measured
value
does
not
exceed
the
Iop
value
indicated
on
the
pickup
by
5mA.
{I=
measured
value/22)
If
the
measured
value
is
higher
than
that
indicated,
the
pickup
may
be
damaged.
*
Pay
special
attention
that
parts
are
not
damaged
by
static
electricity.
DC
voltmeter
3.
b—--SY44—FORBF
27
(lop
(Intensity
Optimum)
(A3#22)
(Ey
TT
y
SEAR
AT
LDP
RITO
SC
&)
DC#Vb
X-¥Y—-*MAIN
PCBOTP1,
TP2
ictRRTS.
PLAY
POBRBEZMNEL.
COBED
COBRRALK
IA
(=
WEBI
/22)
REY
AT
vy
TIRARLTH
Slopih#kY
5mA
DEMMLTORU
LC
ESHA
S.
WMOBSa,
BHRLTU
DAREPED
SS.
*
PEDIC
HERT
SIE.
MAIN
PCB
@How
to
read
numbers
on
sticker
attached
to
the
pickup
(Example)
KSS-210A
11191
646
Serial
No.
lop
value
64.6mA
Fig.
4-4
OK
YIP
YATRA
—MORAA
(Bil)
KSS-210A
1119)
646
YY
7
IVNo.
lop
ff
64.6mA
VOLTAGE
CONVERSION
(For
general
export/U.S.A./Canada
models)
Be
sure
to
remove
the
power
cord
from
the
AC
outlet
before
repositioning
the
voltage
converter
switch.
1.
Locate
the
voltage
selector
on
the
rear
panel.
2.
Using
a
flat-bladed
screwdriver,
set
to
the
appropriate
230
V
or
120
V
position
according
to
your
area.
VOLTAGE
SELECTOR
20y 120
VOLTAGE
SELECTOR
230V
120V
ml
4-1
SERVO
ADJUSTMENT
TEST
DISC:
MCD-111
(or
YEDS-18)
4-1
+
—
Ki
FAKF4ADM:
MCD-111
(KKM
YEDS-
18)
MAIN
PCB
Fig.
4-5
CD-3
CD-3
4-1-1
Checking
the
pickup
actuator
operation
Before
loading
the
disc,
turn
the
power
ON
and
check
that
the
pickup
actuator
moves
up
and
down
three
times.
(if
the
pickup
is
not
at
inside
on
the
disc,
perform
the
above
operation
after
moving
the
pickup
to
the
inside.)
4-1-2
Adjusting
the
PLL
frequency
1.
With
the
tray
open,
connect
the
frequency
counter
between
TP3
and
TPG,
and
short
circuit
between
TP4
and
TPG.
2.
Adjust
V405(VCO)
so
that
the
PLL
frequency
is
4.3218MHz
+
0.05MHz
at
the
stop
mode.
For
this,
use
a
X10
sync
probe
with
the
frequency
counter.
4-1-3
Tracking
balance
adjustment
1.
Connect
the
oscilloscope
between
P405-1(TE)
and
P405-6(GND),
and
press
the
SEARCH
(<dor>>)
button.
2,
Adjust
V401(1T.B)
so
that
the
upper
and
lower
amplitudes
of
the
tracking
error
signal
waveform
become
equal
above
and
below
OV.
4-1-4
Focus
offset
adjustment
1.
Connect
the
oscilloscope
between
P405-5(RF)
and
P405-6(GND).
2.
In
the
play
mode,
adjust
V402(F.B)
so
that
the
waveform
on
the
oscilloscope
becomes
maximum.
3.
After
adjusting
the
focus
offset,
stop
the
player.
Check
for
an
offset
voltage
of
50mV
or
less
at
V403
center
lead.
If
reading
values
are
out
of
spec,
adjust
V402
again.
ArT
Ey
IP
ae
ST
OF
2
L—9—-BEF
cD
BRON
77
97ST
7FaL—-F—-MBGEPHTAZCE,
(Cy
77
y
TOBAM
IE
ld.
BRAVA
BIR
Eee
Arto)
FAATVURELIE,
4-1-2
PLLEAikeias
lL.
RUT
SBA
KREG,
TP3
E
TPGHIC
AB
7
-
TE
LL
TPAETPG
EY
a-—bhdS.,
2.
Ah
y
PIKKEC
OP
BEA
4.3218MHz
+
0.05MHzI
AK
512
V405
(VCO)
EHTS,
AmkaAvyy—l4a
vou
-7x
lweweAs
4.
41-3
hSyY
FYING
YABB
1.
P405-1(TE)
&
P405-6(GND)
fica
y
ORI
PRE
L,.
SEARCH
#Y
v
(44
EIS
Ph
)
LIT,
2
Fy
Ft
YFLI—-fESOREMOVEHOUIRNS
£5
V401
(T.B)
HET
4.
41-474
-HAAADVEy
bE
1.
P405-5(RF)
¢
P405-6
(GND)
Mica
>
co
AI-—TA
He
to
2.
PLAY
{KHE
CH
YO
AI—PORIBDIBKIZU
SD
&
312
V402
(F.B)
=
HET
SH.
3.74
-AAAD
ey
b
PM
HSTOP
Kil
UT.
V403
&
J-Y-FOAT
¢y
BEM
SOMVILE
CHSC
&
Le
MhaB
FSo
SUMBIKASEUYG
ASHE
V402
MET
4.
ELITR
NW
Ny
YY
XK
Maximum
KIIIPHIOPIO
TINT?
AR
UNI
DUANE
CO
OO
OY
08,
\
\
i
AAV
SURE
SNR
Fig.
4-7
CD-3
4-1-5
Focus
gain
adjustment
4-1-574-HATA
VRE
1.
Apply
1.17kHz/10Vp-p
(When
using
MCD-111)
or
1.
ABBOSC
&Y
100k
QOHHREA
UT
1.17kKHZz/10Vp-
p
1.14kHz,/10Vp-p
(When
using
YEDS-18)
to
P405-4
(MCD-
111
(2
Ct
dae)
¥
71d
1.14kKHZ/
10Vp-p
(YEDS-18
(FE
tl)
from
an
external
OSC
via
100k
Q
resistor.
(CHI)
OES
=
P405-4(
FE
W)ICADT
4S.
2.
Play
the
track
4,
and
adjust
V403(F.G)
so
that
phase
2,
4HHA
E+E
LY
P405-3(FE
|)
EBB
OSC
&
OLiZtHA
90°
at
P405-3(FE
1)
is
90°
with
respect
to
that
of
the
IZHHZKGITV403(F.G)
FHT
AS,
external
OSC.
Oscillator
Oscilloscope
MAIN
PCB
10Vp-p
Fig.
4-8
4-1-6
Tracking
gain
adjustment
41-6
hS
yt
UT
4
VBE
1.
Apply
1.70kHz,/710Vp~-p
(When
using
MCD-111)
or
1.
ARBOSC
EY
100k
QOH
LT
1.70kKHZ/10Vp-
p
1.51kHz,410Vp-p
(When
using
YEDS-18)
to
P405-2
(MCD-111i=
Cag)
¥
fed
1.51kHZ710Vp-p
(YEDS-
18
(TEI!)
from
an
external
OSC
via
100k
Q
resistor.
ic
CHAR)
OZ
SX
P405-2(TE
Il
ICANT
S.
2.
Play
the
track
4,
and
adjust
V404(T.G)
so
that
phase
2.
4HHE
#FH4E
LL.
P405-1(TE
|)
&EMSBROSC
&
MfZtBDS90°
at
P405-1(7E
|)
is
90°
with
respect
to
that
of
the
SZ
KDITV404(7.G)
RTS,
external
OSC.
Oscillator
Oscilloscope
MAIN
PCB
CD-3
4-2
ELECTRICAL
CHARACTERISTICS
.
Output
level
HALAL
Batt
DISC:
MCD-111
(YEDS-18)
TRACK
No.
}
347
FREQUENCY
Bik
]
SPECIFICATIONS
#
.1+0.5Vrms
REMARKS
fei
.
Channel
level
difference
Fp
VRIVLAIVE
1
hs
.OdB
or
less
.
Phones
level
Ny
FRU
LAL
0.62
+
0.3Vrms
33
Q
load
OUTPUT
level
:
max.
-a
.
Harmonic
distortion
mmRES
.
Frequency
response
FBS
.
S/N
ratio
SANE
20Hz~
20kHz
0.
009%
or
less
Within
+
1.0dB
92dB
or
better
.
Channe!
separation
Fe
Rsb
BNL-Yay
400Hz~20kHz
filter
in
reference
level:
1kHz
DIN
AUDIO
(Use
SHIBASOKU
725
or
equivalent)
85dB
or
better
DIN
AUDIO
.
Emphasis
effect
LYD
7
VAMR
10
MCD-
111:
-—
20
+1.0/-1.5dB
YEDS-
18:
-9+1.0/-1.5dB
reference
level:
1kHz