Download Service Manual MCD

,.
FILE NO.
Service Manual
MCD-ZI OOF (AU)
CD Radio Cassette
Recorder
A
\
.:.:.,
.
...’.
..
PRODUCT
Specifications
,., .
......
... ....
(CASSETTE
(RADIO SECTION)
SECTION)
Recording System .................AC bias, 4 track stereo
Tuning range ......................... FM :87.5-108
Tape speed ...........................4.75 cm I sec.
kHz
Antenna ................................. FM : Telescopic rod
AM : Built-in ferrite bar
Fast forward and
rewind time ........... 110 sec. (C-60 tape)
Frequency response .............80-12.000
Hz
(GENERAL)
Power output .........................3.0 W x 2 (DC max.)
50 W (P. M. P.O.)
(CD SECTION)
Channel .................................2 channel
ratio ..............................70 dB
Wow & Flutter ........................ Undetectable
Sampling frequency ..............44.1
MHz
AM :525-1,710
Erasing System ..................... Magnet erase
S/N
CODE No.
14267904
Speaker ................................. 10 cm x Z 4 ohms
Terminal impedance
Pickup light source ................ Semi-conductor laser
:32 ohms
Power source ........................ AC. 230-240
DC:
kHz
Quantization. ......................... 16 bfi linear/ch
............. PHONES
fXmensions
...........................460
V, 50 HZ
12 V (8 “D” size batteries)
x 155x 250 mm (W x H x D)
Weight (approx.) .................... 3.2 kg (without batteries)
Pickup wave length ...............790 nm
Laser output .......................... Continuous wave max. 0.6 mW
/
‘Specifications subject to change without notice.
REFERENCE No. SM580856
LASER BEAM SAFETY
●
.
PRECAUTIONS
Pickup that emits a laser beam is used in this CD player section.
CATION :
USE
OF
CONTROLS
PERFORMANCE
THOSE
SPECIFIED
HAZARDOUS
OR
ADJUSTMENTS
OF PROCEDURES
HEREIN
RADIATION
OTHER
MAY
OR
THAN
RESULT
IN
EXPOSURE.
LASER OUTPUT ............................ 0.6 mW Max. (CW)
WAVELENGTH
.............................. 79o nm
FOR
CALJT!ON-lNVISIBLE
DEFEATEO
AVOIO
LASER RADIATION WHEN
EXPOSURE TO BEAM
AWAR5EL.U5YNL16
LA5ER
S3KKERHEOSAFBRYDERE ER
STRALING.
5TRALING
uOE AF
OPEN
-UNSICHTBARE
LASERSTRAMLUNG
TRITT
6EOFFNET
UNO
[NM
SICHERMEITSVERRIEGELUNG
AM6SH, DEW SIFIAHL
AuSSETZEN
w&ftO ! .Av.naessa
)a S.ojalukous Ohwnsessa
smeseen.
iasersblwlle. A@ kalso
REMOVAL AND INSTALLATION
●
Disconnect
the power cord’s plug from the electrical outlet.
“ All wiring should be returned to the original position after work is completed.
●
First have ready many new FIXERS(614
129 4971) for replacement.
●
Arrange the lead wires so that they are not near the heat sink.
1. CABINET
2. TOP PANEL BLOCK
/-.
-1-
INTERLOCKS
VEO A!INING,
NLR
FUNKTION. uNDG& uOS
wWNING-OSYNLIG
LASER STFdLNING NAR OENNA
SPAWR h!l uRKOPPL40.
STRALEN AR FARLIG.
vOSSICHT!
ANO
old
OEL
AR
AUS.
6TTELSE
bF’PNAO OCH
WENN
UBERBRUCKT
OECKEI
IST
amnna nikymattomalle
A
. ,,.
..
.
REMOVAL AND INSTALLATION
3. CASSE’lTE TAPE SECTION
4. CD SECTION
5. MAIN P. W. BOARD SECTION
6. “O” POINT ADJUSTMENT
,.,.
.“..,.
.. . .
I
I
-2-
TUNERADJUSTMENTS
●
Use a plastic screw driver for adjustments.
●
Adjust the intermediate
●
Set of unit
frequency
pf AM and FM to the frequency of ceramic filter.
Supply voltage : DC 12V
Output road: Speaker Terminal (8 ohms)
Standard output (Volume control) :50 mW (630 mV) - at the Speaker Terminal
Function switch : RADIO
PARTS LOCATION
AM -FM
TAPE - RADIO - CD
1.
AM
ADJUSTFI
NT
.
Cor
lnDut
P
1
k
I
IF
Closed the output
Connect sweep
terminal by sweep
generator to
generator, it place
Tuning
Connect AM SG to
3
cover e
TEST LOOP.
]
Tracking
Connect AM SG to
TEST LOOP.
5
6
Adjustment
Position
of
tuning
dial
L7
Low
460 kHz
VTVM
Oscilloscope
See Fig.1
For Maximum
ICI Pin 16(H) and
.,
Ground(E).
to VC1 (HOT).
2
4
md select switch : AM
SG
?ction
Frequency
output
Connect VTVM to
515 kHz
Low end
L5
speaker terminals.
1650 kHz
High end
TC4
Connect VTVM to
600 kHz
600 kHz
L1
speaker terminals.
kHz
I 1400
I
1400 kHz
I
TC1
Max.
Max.
I
Repeat adjustments.
Set the internal modulation of signal generator to 30% 400Hz.
2. FM
ADJUSTR
ENT
Input
w
1
IF
(S curve)
EP
tibimm
2
Tuning
Band select switch : FM
SG
Connection
output
Frequency
Connect sweep
Connect sweep
generator to
10.7 MHz
FM Dummy antenna :75 ohms unbalance
AdjustVTVM
Position
of
dial
ment
Oscilloscope
tuning
Low
L8
IC1 pin 23(H)
generator to
iCl Pin 16(H)
and Ground(E).
and Ground(E).
Connect FM SG to the
Connect VTVM to
speaker terminals.
87.0 MHz
Low end
L4
109.0 MHz
High end
TC3
Connect VIVM to
speaker terminals.
90.0 MHz
90.0 MHz
L3
106.OMHZ
106.0 MHz
TC2
3
cover
e
Upper & same position.
4
Tracking
Connect FM SG to the
Upper & same position.
Set th~ internal mof ulation of signal generator to 400Hz
See Fig.2
For Symmetric
Dev. 22.5kHz.
-3-
Max.
Max.
TUNERADJUSTMENTS
!4
AM Equipment
Connection
FM Eqw@ment
Connection
AM IF (45S KHz)
Fig.
2
a &G@
Wave
FM IF $’ICL7MHZ)
tom
(455 KHz)
&k
\
Sweep generator
FM S-
Trac+ang(AM Ban@
J
~rwatof
Wave Form
Unh
V.T,V.M.
m~ma
LooP
ANT
SG
Unfl
Resstor
or SP
Unit
)
FM MPX(Multiplex)
Resistor
or SP
ADJUSTMEfW
FM MPX circuit uses PLL IC, thus adjustments are very easy.
. Connect test instruments as shown in Fig.3.
●
Set signal generator frequency to 98 MHz.
●
Set stereo signal generator to 90% main signal and 10% pilot signal.
I
I
1,
(300
TL.1
‘“”
I
I
!f-
Fig. 3
VCO ADJUSTMENT
Connect
frequency
between as following connection,ajustVR101
counter
F
for a reading of 76kHz on the counter as shown in Fig. 4.
la
~
-r
&;
FORVCOADJ.ONLY
,--------------------
;15
!
X’+
ba
l-----+.
“i
’°K$l ,~
-------------------Fig. 4
‘-J
FrequencyComler
,.
. .... .. ..
.... .... . ..-:
-.. .....-
\PE DECK ADJUSTMENTS
+EAD REPLACEMENT
fter replacement,
demagnetize
the heads by using a degausser.
e sure to clean the heads before attempting
to make any adjustments.
II wiring should be returned to the original position after work is completed.
+EAD AZIMUTH ADJUSTMENT
Connect
the oscilloscope
to the PHONES
Load the test tape(MTT-113N,
socket.
etc., 10 kHz) for azimuth
adjustment.
Press the PLAY button.
Use a cross-tip screwdriver
to turn the screw for azimuth
HEAD
adjustment so that the left and right outputs are maximized.
AZIMUTH
ADJ.
Press the STOP button.
After completion of the adjustment, use thread lock(TB-1401 B)
to secure the azimuth-adjustment
!
PIAY
screw.
MOTOR REPLACEMENT
BIAS FREQUENCY
ADJUSTMENT
TAPE
)
Connect the frequency counter to the HEAD terminal.
)
Load the test tape(TDK-AD60,
)
Press the REC & PLAY button.
GND
FREQUENCY
etc.).
0 IN
TPI
) Use a flat-tip screwdriver to turn the L9 for BIAS adjustment
COUNTER
m,.,
00000
so that the frequency counter becomes 65+/-2kHz.
CHECKING THE MECHANISM
TORQUES
AND TENSION
OIean the head, capstan and pinch roller before making any measurement.
Measurement
Cassette for
measurement
PLAY
Take-up
Back
torque
tension
PIAY : TW-2111A
PLAY: TW-2111A
tension
Drive-power cassette
TV%2412
F.FWD/REW : TW2231
30-60
Tape
gr.cm
2.0- 4.5 gr.cm
60 gr or more
----. ----
F.FWD
55-120
gr.cm
-----
REW
55-120
gr.cm
-----
/.
-5-
*
. ..
. . .. .
.. .. .. . . . .
.,,
.
EXPLODED
VIEW (CABINET
~
& CHASSIS)
..
..’ .,..
.. . . .
. . ....
,,
cD_
a!
m
,..
-6-
PARTS LIST
PRODUCT SAFETY NOTICE
EACH
PRECAUTION
IN THIS MANUAL SHOULD BE FOLLOWED DLMNNG
A
IN THIS
PARTS
IN THE PARTS LIST AND
SERVIClffi.
COMPONENTS
IDENTIFIED
WITH
THE
IEC
IN WHICH SAFETY CAN BE OF
SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIE?OBY A , USE ONLY THE REPLACEMENT PARTS DESIGNATED,
OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WAITAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST
SYMBOL
MANUAL.
LEAKAGE-CURRENT
ARE ACCEPTABLY
CAUTION
PACKING
REF. NO.
/.“
‘ .,
CABINET
REF. NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20
21
22
25
26
31
32
33
34
36
37
39
40
41
42
43
45
:
INSULATED
THE SCHEMATIC
OR
DIAGRAM
RESISTANCE
13ESIGNATED
MEASUREMENTS
FROM THE SUPPLY
CIRCUIT
COMPONENTS
MUST
BEFORE
BE MADE
RETURNING
TO
THE
DETERMINE
PRODUCT
THAT
EXPOSED
TO THE CUSTOMER.
Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
Regular type resistors are less than 1/4 W carbon type and O ohm chip resistors.
Regular type capacitors are less than 50 V and less than 1000 pF type of Ceramic type and Electrical type.
& ACCESSORIES
PART NO.
6142919385
6450252471
6450252488
6450254314
6450256042
6450269721
6142919569
A 6450221576
DESCRIPTION
CARTON
CUSHION L, POLYFOAM,L
CUSHION R, POLYFOAM,R
POLYBAG,UNIT
LABEL LASER
LABEL SAFETY
INSTRUCTION
MANUAL
AC CORD
& CHASSIS
PART NO.
6450269776
6450243950
6450243974
6450252068
6450244018
6450269806
6450243967
6450252563
6450252570
6450252440
6450252099
6450252105
6450252136
6450252143
6450252150
6450252167
6450252174
6450252181
6450252082
6450252129
6450252112
6450252556
6450263941
6450251559
6450252297
6450251542
6450252594
6450244001
6450252204
6450252310
6450252280
6450252259
6450252242
6450252211
6450254291
6450252334
645017 ?895
6450252365
6450171895
DESCRIPTION
ASSY,CABINET
FRONT
LID CASSEITE
LID CD
PANEL TOP
HANDLE
ASSY,CABINET
REAR
LID BATTERY
RUBBER CUSHION CD,SO~
RUBBER CUSHION CD,HARD
SPEAKER CLAMP:99
ROTARY KNOB, VOLUME
ROTARY KNOB,TONE
BUITON,CASSEIT_
E,REC
BUTTON, CASSETTE, PI-AY
BUl_TON,CASSE~E,
REW
BUTTON, CASSEITE,F
FWD
BUITON,CASSEITE,
STOP / EJECT
BUTfON,CASSE~E,
PAUSE
ROTARY KNOB,TUNING
SLIDE KNOB, FUNCTION SWITCH
SLIDE KNOB,BAND SW
CD BRACKET,CD
MAIN
ASSY,PULLEY,CD
CHUCKING
ASSY,GEAR,CASSETTE
DOOR
CASS DOOR SPRING
ASSY,GEAR,CD
DOOR
CD DOOR SPRING
DIAL POINTER, TUNING
DIAL BARCKET,TUNING
POINTER
CASS BUITON SHAFT
PLATE SWITCH RECORDING
TUNING GEAR SMALL
TUNING GEAR, PVC
CONTROL BRACKET
SPRING ANTENNA CONTACT
FOOT RUBBER,18X3
FIBRE.WASHER,FRONT
CABINET
SCREW 3X8,M PCB TO KEYBOARD
FIBRE,WASHER,TUNING
KNOB
FIXING PARTS
PART
I?EF.NO.
NO.
6450252389
6450252365
6450252396
6450165078
6450165078
6450165078
6450252358
6450252402
64!5 0252372
6450252426
6450165078
6450183690
6450165078
6450165078
6450165078
6450165078
6450254307
6450180521
6450252600
64S 0252419
64!501 65078
6450237935
4110251901
Y&l
Y(K?
Y03
Y04
YO?5
Ym
YOa
YQ9
Ywa
Y*1
Y12
Y*3
Y14
YQ?5
Y%6
Y*7
Yfs
Y19
Wzfl
Y2*
Y22
Y2?t
Y24
ELECTRICAL
RIEF-NO.
51
52
53
FuOol
CkR)06
MAIN
REF. NO.
71
CQ-409
C41111
03112
C4M15
CX3116
ml 30
CCM31
Cw?ol
CW03
-7-
DESCRIPTION
SCREW 3X18, CABINET REAR
SCREW 3X8, PANEL TOP
SCREW 3X8, ANTENNA
SCREW,3X8,SPEAKER
SCREW,3X8,ANT
SPRING
SCREW,3X8,GEAR
SCREW 2.6X8,GEAR HOLDER
SCREW 2X8,CD BRACKET
SCREW 3X8,CASSETTE
SHAFT
SCREW 3X12, POWER TRANS
SCREW,3X8,DECK
MECHA
SCREW 3X1 O,CD SW PWB
SCREW,3X8,CONTROL
PWB
SCREW 3X8,MAIN PWB
SCREW, TUNING GEAR
SCREW,3X8,TUNING
BRACKET
SCREW,S 3X12,TUNUNG
KNOB
SC REW,3X12,BRACKET
SPECIAL SCREW,CD
SCREW 2.6 X16,TUNING GEAR
SCREW,3X8,PWB
BRACKET
TOOTH WASHER 2.6,TUNING GEAR
SCREW. S-TPG PAN 2X3
I?ARTS
PART NO.
6450203534
6450251931
A 64!5 0269561
A 6450141447
6450251993
P,W.B04!RD
DESCRIPTION
ROD ANTENNA
4“ SPEAKER
POWER TRANSFORMER
FUSE
FLAT WIRE,12P,MAIN-FRONT
ASSY
PART NO.
6142921715
6450203190
6450267949
64!5 0266546
6450141966
64$50269929
6450266522
6A5i 0251702
6450203138
4030619003
4030571202
4030571202
4030606904
4030606904
4030581904
4030608908
DESCRIPTION
ASSY,PWB AMP-TU-CD
HEADPHONE JACK
BRACKET-E,AC SOCKET
SCREW 2.6 X5,Q801
SCREW, PVC
SCR 3X12,AC SOCKET
CABINET MOUNTING PLATE,Q801
POLY CAP 1000PF 50V
POLY CAP 120PF 50V
POLYESTER 4700P M 50V
POLYESTER O.OIU M 50V
POLYESTER 0.01 U M 50V
POLYESTER 3300P M 50V
POLYESTER 3300P M 50V
POLYESTER 1500P M 50V
POLYESTER
0.033U M 50V
i
.
PARTS LIST
REF.NO.
. ..
,..,..
.. . . ...
,.
C0204
CO21O
C0212
C0214
C0221
C0229
C0301
C0302
C0303
C0304
C0314
C0317
co50f
C0601
C0604
. C0606
C0608
C0609
C0612
C0613
C0614
C0615
C0623
C0625
C0702
C0808
CFOO1
CFO02
CFO03
CNOO1
CNO02
CNO07
CNO08
CNO09
CNO1O
CNO11
CNO12
CN013
DO1O1
DO1O2
DO1O3
:...
. . ..
DO104
D0301
D0401
D0402
D0403
D0404
D0405
D0406
D0801
D0802
D0803
D0804
D0806
D0807
D0808
FHOO1
FUO02
HSOO1
Icool
ICO02
ICO03
ICO04
ICO05
ICO06
ICO07
< LOOO1
LOO02
PART NO.
4030694409
4030594409
4030581904
4030608908
4030619003
4030581904
4030594409
4030594409
4030608908
4030608908
4030573800
4030573800
4030573800
4030598902
4030608908
4030619607
4030605204
4030584608
4030568905
4030573800
4030584004
4030589108
4030594409
4030608908
4031354507
4031350004
6450169151
6450209468
6450252051
6450172045
6450169359
6450169342
6450251924
6450268823
6450172052
6450221590
6450206771
6450251917
6450?68956
6450168956
6450140945
6450168956
6450t69250
64502i51689
64502S 1689
6450168956
6450251689
6450168956
6450168956
A 6450169250
A 6450169250
DESCRIPTION
POLYESTER2200P M50V
POLYESTER2200P M50V
POLYESTER 1500P M50V
POLYESTER 0.033UM50V
POLYESTER4700P M50V
POLYESTER 1500P M50V
POLYESTER2200P M50V
POLYESTER2200P M50V
POLYESTER 0.033UM50V
POLYESTER 0.033UM50V
POLYESTER 0.1UM50V
POLYESTER 0.1UM50V
POLYESTER 0.IUM50V
POLYESTER0.22U M50V
POLYESTER 0.033UM50V
POLYESTER 0.047UJ50V
POLYESTER3300P J50V
PQLYESTERO.15U J50V
POLYESTER 1OOOPM50V
POLYESTER 0.1UM50V
POLYESTER 0.015UM50V
POLYESTER 0.018UJ50V
POLYESTER2200P M50V
POLYESTER 0.033UM50V
ELECTIOOOUM1 OV
ELEGT2200UM25V
CERAMIC FILTER
CEFiAMICFILTER,AM/FM
FCC
CERAMIC RESONATOR,CD MAIN
4PWAFER,CASS
3PWAFER,CASS
2PWAFER,CD MAIN
5PWAFER,CD MAIN
8P WA17R,CD
MAIN
6P WAFER,CD
MAIN
AC SOCKET,VDE
APP
2P WAFER,CASS
4P WAFER,CASS
DIODE, SWITCH,AM / FM
DIODE, SWITCH,AM / FM
A F CFV-1043,AM
I FM
DIODE, SWITCH,AM / FM
DtOOE,RECTIFIER,
PWR
DkOOE,SWITCH,GMBO1 -BT,CD
DK50E,SWITCH,GMB01 -BT,CD
DIODE, SWITCH,CD
MAIN
DIODE, SWITCH, GMBO1 -BT,CD
DIODE, SWITCH,CD
MAIN
DIODE, SWITCH,CD
MAIN
DIODE, RECTIFIER,PWR
DIODE, RECTIFIER,PWR
A 6450169250 DIODE, RECTIFIER,PWR
A 6450169250 DIODE, RECTIFIER,PWR
6450168956 DIODE, SWITCH,CD MAIN
6450168956 DIODE, SWITCH,CD MAIN
6450168956 DIODE, SWITCH,CD MAIN
6450142246 FUSE HOLDER
A 6450267925 PROTECTOR,PWR
64502?52457 HEAT SINK
645W!51573 IC LA1826A
6450203237 Ic TA2068N
6450’169182 IC TA8227P
6450251597 Ic LA6543F
64502!51610 IC LC78622E
6450251603 IC LA9240M
64502S 1580 Ic LA6541D
6450251498 ASSY,BAR ANTENNA
6450209338 FM COIL,FM ANTENNA
REF.MIO.
LOO03J
LOQt&fi
LCKMIE5
LOOUiS
LOOO?iY
LOOOS
LOOO?4
L080!3
Pvcx
Qo2fxkl
Q0213%?
Q021E3
Q03WI
Q030S?
Q04LMI
Q04W2
Q04CK3
Q0404
Q04G+5
Q04LIS
Q04N?’
Q060w
QO%O’Ii
Q080f5
R03W!
Swo+m
Swoax?
swmn3
SW.QID4
VRIGY4
vFwim
VR3U32
Z08tYil
Z0802
PART NO.
6450141089
6450141072
6450141041
6450251733
6450251757
6450251740
6450141058
6450209321
6450256592
6450251665
6450169205
6450251641
6450251658
6450251658
6450251641
645025
~641
6450251634
6450251634
6450251672
6450169205
6450251641
6450251634
6450269530
6450251627
4020045805
6450251788
6450251795
6450209352
6450161896
6450256585
6450251726
6450251719
A 6450251696
6450171703
DESCRIPTION
FM COIL,FM RF
FM COIL,FM OSC FCC
OSC,AM OSC
IFT,AM / FM
IFT,AM / FM
IFT,AM / FM
BIAWOSC,AC
BIAS
CHOKE COILS,l 00UH
PVC,AM I FM VC 1-4, TC 1-4
TR,2SC3330U
TRANSISTOR,PWR
TR,2SA1346-AC,
TR,2SDI 936-U-AC
TR,2SD1936-U-AC
TR,2SA1346-AC
TR,2SA1 346-AC
TR,2SA1317
TR,2SA131 7
TR,2SC3400
TRANSISTOR
TR,2SA1346-AC
TR,2SA131 7
TR,2SD2061 F
TR,2SB764E
FUSIBLE RES 27 J- l/4W,PWR
SWITCH, SKE-22F09-G8-NS,AM
SWITCH, SKU-43D08-G8-NS,
FUNCTION PUSE SWITCH, PLAY/REC
SWITCH,BEAT CANCEL
SEMI-FIXED,AM
/ FM
ROTARY VR ‘
ROTARY VR
ZENER DIODE,PWR
ZENER DIODE,AM / FM
/FM
-.
FROZNT P.W.BOARD
REF2$I0.
72
DOSKIM
Dtl&tkn3
MAIN
MAIN
MAIN
DmtB5
LEEX?+2
LEEl%Z3
LElLm4
LEEXM
Svmml
s~
swa&l
skws$B4
SLaEil?6
PART NO.
6142921722
6450168956
6450168956
6450168956
6450168956
6450168956
6450168956
6450251771
6450251771
6450251771
6450252044
6450251801
6450251801
6450251801
6450251801
6450251801
6450251801
ASSY
DESCRIPTION
ASSY,PWB,FRONT
DIODE, SWITCH
DIODE, SWITCH
DIODE, SWITCH
DIODE, SWITCH
DIODE, SWITCH
DIODE, SWITCH
LED, PROGRAM
LED, REPEAT
LED,P / P
LED DISPLAY, RED
SWITCH EVQ-QB205K,PLAY / PAUSE
SWITCH EVQ-QB205K,STOP
SWITCH EVQ-QB205K,PROGRAM
SWITCH EVQ-QB205K,F B
SWITCH EVQ-QB205K,F F
SWITCH EVQ-QB205K,REPEAT
CI?# SWITCH
P.W.BOARD
ASSY
PART NO.
RE%E3d0.
DESCRIPTION
735
6142923863
ASSY,PWB CD SWITCH
sVWm7
6450251818
MICRO SW LF-101-O,CD OPEN/CLOS
BA=ERY
REIZEMO.
74
-8-
TERMINAL
PART
NO.
6142921043
6450252013
P.W.BOARD
ASSY
DESCRIPTION
ASSY,PWB,BAIT
BATTERY SPRING(-)
3ARTS
LIST
rAPE MECHANISM
lEF.NO.
“MO1
‘M02
“M03
-tvlo4
‘M05
-M06
‘M07
“M08
“M09
“M1O
‘Mll
rM12
rM13
rM14
rM15
rM16
rM17
rM18
rM19
rM20
rM22
rM23
rM24
rM25
rM26
rM27
rM31
rM32
rM33
rM34
rM35
rM36
rM37
rM38
rM39
rM40
rM41
rM42
rM43
rM44
rM45
rM46
rM51
rM52
rM53
rM54
rM55
rM56
rM57
rM58
rM59
rM60
rM61
rM62
rM63
rM64
rM65
rM66
rM67
rM68
@
(TK20FX-S830-900)
PART NO.
6450238116
6450115707
6450091674
6450238895
6450091629
6450091568
6450221729
6450115967
6450091346
6450091780
6450146862
6450115899
6450091445
6450115844
6450091476
6450091438
6450091490
6450115981
6450115516
6450115813
6450238123
6450252617
6450215001
6450113727
6450113734
6450238062
6450091421
6450091414
6450093210
6450238147
6450110795
6450110788
6450110771
6450110764
6450110757
6450091384
6450091391
6450111211
6450091407
6450091278
6450091339
6450091285
6450091308
6450115998
6450091520
6450091513
6450091452
6450091506
6450091612
6450091711
6450165252
6450091377
6450091353
6450137945
6450146756
6450091551
6450115875
6450115929
6450252518
6450091360
DESCRIPTION
SREELHUB
B SPRING
RECORD SAFETY LEVER
TAKEUPREELASSY
SENSOR
FF GEAR
PACKSPRINGPLATE
CSCREW2X3
CHASSISASSY
EJECTSLIDELEVER
PB SCREW
CTSCREW2X4.5
PSLEVERSPRING
SWITCH,MSW-1541T
RECBUTTONLEVER
SPRING
EACTUATORSPRING
CAM GEAR
CWASHER2X3.5X0.3
RFCLUTCHASSY
F BELT W
ASSY,FLYWHEEL
ASSY,MOTOR
MOTOR BRACKET
MOTORCOLLER
SCREW
MOTOR BRACKET SCREW
M BELT(C)
BUTTON LEVER SPRING(B)
BUITON LEVER SPRING(A)
PLAYBUTTONLEVER
SPRING
PAUSEBUTTONLEVER
STOPBUITONLEVER
FFBUl_TONLEVER
REWBUITONLEVER
PLAYBUITON
LEVER
RECBUTTONLEVER
PAUSE STOPPER
PAUSELEVERSPRING
PAUSE LEVER(E)
PCONTROLSPRING
PUSHBUTTON
ACTUATOR
EKICKLEVER
SWITCH ACTUATOR
BASEASSY
C WASHER 1.45X3 .8X0.5
GEAR PLATE ASSY
GEAR PLATE SPRING
M CONTROL SPRING
SENSING LEVER
PINCH ROLLER ARM ASSY
MG ARM
MG ERASE
HEAD PANEL
HEAD BASE
SCREW
S SCREW
AZIMUTH SPRING
B SCREW
B3 LUG
R/P HEAD TC-951 ,STEREO
PANEL P SPRING
-9-
*W
--
w
*
-*
..:.
... .,
,..
...:
.
EXPLODED
VIEW(TAPE
WIECHANISM)
9
TMOl–
TM02
$—TM65
*TM66
,.,-, .
......
.. . .
!..”.
-1o-
&!!&
— b ‘
ii
–TM03
TM04
,
=$-TM05
.:
EXPLODED
VIEW(CD MECHANISM)
~____
-–-__
-----_–
-----
_------,
1
1
I
I
E
I
r
B
t
r
E
I
r
b
1
I
I
I
I
I
t
I
k
t
t
1
(N.S.P):
1
1
I
1
1
I
I
1
I
.:”
.,,
I
I
1
I
I
I
I ----
1
t!!$~
1
I
1
1
I
I
CYO1
‘Wq-- //
‘
.!
‘.
J
,.,+
-u
.“
.
/
‘“
./
A
J
/
//
I
v
—’r
CMO1
I
“7
.
—CM02
u
CM04—
ec”o’
.W
—CM03
&
N.S.P
PARTS LIST
CD MECHANISM(CD94V5)
REF.NO.
PART
CMO1
CM02
CM03
CM04
CM05
6450252532
6202228105
6202228112
6202232911
6202232928
6200218436
DESCRIPTION
CDMECHANISM (CD94V5)
ASSY,MOTOR,SPINDLE,2V
ASSY,M0T0R,SLED,6V
PWB,MOTOR
SWITCH,LEAF
PLUG,6P
CYO1
4110199906
SCREWPANPCS
NO.
1.7X3
/.
-11-
: Notavailable
assenficeparls.
. . . ... .
....... ::. .
.
:. “...,”::.....
[C BLOCK DIAGRAM
ICI LA1826A(Tuner
.-.
& DESCRIPTION
System)
FM s
METER
FM RF
FM RF
INPUT
F?4&
F$&E
OUTPUT
OTC
8:C
MPX
Vco
~M%I$
OUTPUT
OEtt&iIt%fl
OUTPUT
R-CH
OUTPUT
MPX
INPUT
L-CH
OUTPUT
,.‘
,.
AM RF
INPUT
FM MIX
OUTPUT
AU MIX
OUTPUT
vREG
FM IF
INPUT
AM/ FM
AM IF
IFJNMDPX INPUT
Atd I FM
IF{:PX
,. .’ .,
‘.,. . . . .
IC2 TA2068(Pre-An%plifier
?~D
IC3 TA8227P
for Tape-Deck)
PyHASE
PJL=~
#T
(Main(Power)-Amplifier)
Vcc 2
@
t
Vcc1
@
1
“m’’”
THERMAL SHUT OOWN
PROTECTIONCIRCUIT
..
.. ..
..
IC4 LC6543F(Micro-Processor)
No~
Name
1
DRF
2
VDD
Description
11/01
No.
Name
IJO
Description
16
Oscl
I
I GND
17
TEST
1
Vss
1/0 I Interface
18
Vss
-
GND
I 1/0 I RF signal detect
-
for LC7822
Clock input
3
SQOUT
4
COIN
1/0
Interface for LC7822
19
RESET
I
5
CQCK
1/0
Interface for LC7822
20
SEG-A
6
WRQ
1/0 Interface for LC7822
21
SEG-B
22
SEG-C
23
SEG-D
24
SEG-E
1/0
1/0
1/0
1/0
1/0
25
SEG-F
1/0
Light up Signal for LED (Segment f)
SEG-G
1/0
Light up Signal for LED (Segment g)
Light up Signal for LED (Segment h)
11 I
PUIN
I 1/0 \PU-lN
26
switch
Reset
Light up Signal for LED (Segment b)
Light up Signal for LED (Segment c)
Light up Signal for LED (Segment e)
27
SEG-H
1/0
D-MUTE
1/0 Mute control
28
DIGIT-1
1/0 Common Signal for LED
14
KEY-IN
1/0
Key Input
29
DIGIT-2
1/0 I Common Signal for LED
15
.
OSC2
o
Clock output
30
PROG
I 1/0 [ Lid open switch
\
-12-
1
Light up Signal for LED (Segment d)
13
12 I LID-SW
)
Light up Signal for LED (Segment a)
1/0 I Program LED
I
1
...,..
.:.
..
““’””
IC BLOCK DIAGRAM
IC5 LC78622E(Digital
No.
Name
Signal
Processor)
1/0
DEFI
I
Input
2
TAU
I
For
3
PDO
Vvss
o
-
5
ISET
Al
qol
Function
1
4
.
& DESCRIPTION
of defect
detection
signal.
( Not
36
LVDD
-
For PLL. Outputof phasecomparatorforexternalVCO.
37
LCHO
o
L-channel 1-bit DAC. Output signal for L-channel.
For PLL. Ground for internal VCO. (Surely connect to OV)
38
LVSS
-
L-channel l-bit DAC. Ground terminal for L-channel.
39
RVSS
-
R-channel l-bit DAC. Ground terminal for R-channel.
40
RCHO
o
R-channel 1-bit DAC. Output signal for R-channel.
RVDD
PLL.
Input
for
test.
(Surely
connect
to OV)
6
WDD
-
m
Al
(Surely connect to OV)
(Surely connect to OV)
For PLL. Power supply for internal VCO.
For PLL. For adjustment of VCO frequency range.
8
Vss
-
Ground for digital root. (Surely connect to OV)
41
9
EFMO
o
Output of EFM signal for slice level control.
42 MUTER
l-bit
DAC. Power supply for R-channel.
-
R-channel
o
R-channel l-bit DAC. Output of muting for R-channel.
10
EFMIN
I
Input of EFM signal for slice level control.
43
XVDD
-
Power supply terminal for crystal oscillation.
11
TEST2
I
Input for test. (Surely connect to OV)
44
XOUT
o
Connection terminal for crystal oscillation. (16.9344MHz~
12
CLV+
o
Output for disc motor control.
45
XIN
I
Connection terminal for crystal oscillation. (16.9345MHz~
13
CLV-
0
Output for disc motor control.
46
Xvss
o
Ground terminal for crystal oscillation.
14
v ~:
o
Monitor output for automatic selection of rough servolphase
control.
H : rough servo, ‘b:
I
I
I (Surely connect to OV)
47 I SBSY ] O 10utput of Synchronizing signal for sub-code block.
phase control
48 I EFLG I O lTerminal of correction monitor for Cl, C2, single
15
HFL
I
Input of track detection signal.
16
TES
I
Input of tracking error signal.
17
TOFF
o
Ou!put of trackima OFF signal.
491
50 I SFSY I O 10utput of Synchronizing signal for sub-code flame.
I
18
TGL
o
Output of selection for tracking gain. “~ level : gain up
19
JP+
o
Output of track jump control.
I
F-W
I and
double.
I O 10utput for P, Q, R, S, T, U and W of sub-code.
When the stand-by the sub-code, leading edge.
20
JP-
0
Output of track jump control.
51
SBCK
I
21
PCK
o
Output of clock monitor for playback EFM data.
52
FSX
o
Output terminal of synchronizing signa! divided from
22
FSEQ
o
Input terminal of reading clock for sub-code.
Output of detection for synchronizing signal.
53
WFtQ
o
Output of stand-by signal for output the sub-code Q.
When accordant to detected synchronizing signal from
54
M
I
Input terminal of control signal for readlwrite.
EFM signaf and synchronizing signal in internal generation.
Power supply for digital root.
55 SQOUT
o
Output terminal for sub-code Q.
crystal oscillation (7.35 kHz).
When rocked the phase : 4.3218MHz
23
VDD
-
24
CONT1
1/0
25
CONT2
1/0 Inpuf/Output for general.
26
CONT3
1/0 Control by serial data command from micro
27
CONT4
1/0 Not used Open or OV
28
CONT5
1/0
29
EMPH
o
30
C2F
56
COIN
I
Input terminal for command from micro-processor.
57
CQCK
I
Input of loading clock for command, or fetching clock for
58
E
f
sub-code from SQOUT.
processor.
Input te~inal
of system reset. When ON the power
supply, ones the ‘L”.
S9 TST11
o
Output terminal for test.
-
--
-
Use the Ope n status(Normal the output is “L”).
Output of monitor for de-emphasis.
Playback during diemphasis disc: ‘W level
$0
16M
o
Output terminal for 16.9344MHz.
o Output of C2 flag.
31
DOUT
o
Output of Digital OUT. (EIAJ foamed)
32
TEST3
II
nput for test. (Surely connect to OV)
33
TEST4
II
34
w
-
52 TEST5
I
In ut for test. Surel
I
in ut terminal for chi select si nal
I
In ut for test. Surel
nput for test. (Surely connect to OV)
}4
~ TEST1
WDD
VVSS
Pm
PCK
ISET FR
‘a,
1S111 TEST2 1SS14
7==7. 7=.,.
7==.=
‘m
TTTTYTT
Vco
connect to OV
When the un-control, connect to OV
Not connection. (Open)
EFMD
ad
‘i==
““
RAM AOdress
2K -Wit
oscillator
connect to OV
RAM
II
+
Syncrnous
Detect
--. .-. —. . ------
FSH3
m
M
J4
PW9
Sscrr
Smsv
Sutmde
OxIa13
1
OCRC
4
SFSY SO
t,
Smnm
~
-1
1,
~
I
II
CLV
Olgital Servo
CLv. 3
V,*
I
uemoowano
“m
CLV*
,.a
CixR
Cl C2 Emor Oetecl &
Corr.zclCantrd Flag
i
I
1
[
J
I--In *
(NC)
L.P.F
I
*.
JP. RES
7GL
cc+n~:y~:+ns
EMFW ERG
w
1
42u
I
Fsx WI
Xvss
-13-
b
I
~
xvm
XOUT
%
Rvm
RVS5 MUTER
i
1
X?al Rcmt
lim!ng Generator
mm TES WF
I
L-channel l-bit DAC. Power supply for L-channel.
For PLL. Connection of resistor for current adjustment of
PDO output.
7
Function
Name~/d
35 I MUTEL I O ] L-channel l-bit DAC. Output of muting for L-channel.
used : Connect to OV)
m+io
LCI+3 M-TEL
LVLW
LVS2
I
I
I
I
.:.
,....
... ..... .,
IC BLOCK DIAGRAM
IC6 LA9240M(CD
No. Name
& DESCRIPTION
RF Servo Signal Processor)
I/d
Function
1
FIN2
I
2
FIN1
I
FIN2+FIN1=RF, FIN2-FIN1 =FE
3
E
I
Connection pin for photo diode of pickup.
41
F
51TB
1
-6
-7
-ii-
Name
35
TOFF
I iInput pin for tracking off control signal from
36
TES
o ~Output pin for tracking error sense signal to
-r
-r
T
II(
37
HFL
I 1High frequency level signal use detection
Idigital signal processor. TOFF=H: off
~digital signal processor.
I I I E-F=TE
I I Input pin for DC ingredient of TE signal.
TE-
6
Function
No.
Connection pin for photo diode of pickup.
main-beam position is on the pit or mirror.
Connection pin for gain setting resistor of TE
signal to TE signal pin.
38
SLOF
Output pin for Tracking Error signal.
39
cv-
I
Input pin for sled servo off control.
1 Input pin for constant linear velocity error signal
Input pin for tracking error sense comparator.
40
Cv+
I
TE signal through band pass, and inputted.
41
RFSM
0
Input pin for shock detection.
42
RFS-
from digital signal processor.
Output pin for RF signal.
1 Connection pin for gain setting of RF and
constant setting of 3T compensation of the
Connection pin for time constant setting of
EFM signal with RFSM pin.
tracking gain.
43
o
SLC
Slice level control signal is output pin, it control
ii
Output pin for TA amplifier.
Z
Connection pin for constant of tracking phase
level of data-slice by digital signal processor of thd
compensation, consist of between TD and VR.
RF waveform.
ii
TO
JP
E
z
v
TO
T
-r
-F
7
F
FD-
-r
+
FA-
-i
Connection pin for amplitude setting of
45
DGND
46
FSC
Output pin for focusing control signal.
Connection pin for constant of focusing phase
compensation, consist of between FD- and FA-.
Connection pin for constant of focusing phase
FE
o
21
FE-
I
22
AGND
-
4=
47
TBc
48
NC
DEF
50
CLK
52
pin for gain setting resistor of FE
signal to FE signal pin.
23
SP
o
signal processor.
Tracking Balance Control
I
O 10utput pin for defect detection of disc.
I Input pin for reference. clock pulse, input
4.23 MHz of digital signal processor.
I
CL
Input pin of clock pulse for command from
micro prtiessor.
DAT
I
‘
Input pin of data for command from micro
processor.
I
Ground for analog signal.
Input pin of chip enable for command from
micro processor.
Output pin for signal end of input signal of the
o
CV+, CV- pin.
Detect RF signal is output pin for RF level
detection.
24
SPI
I
Input pin for spindle amplifier.
25
SPG
I
Connection pin for gain setting resistor, when
55
FSS
I
Focus Serch Select
spindle 12cm mode.
*56
VCC2
-
VCC for servo and digital root.
Connection pin for constant of spindle phase
57
REFI
I
Bus control connection pin for reference voltage.
compensation with SPD pin.
58
VR
o
Output pin for reference voltage.
LF2
I
Connection pin for taim constant setting of
26
sP-
1
27
SPD
o
Output pin for spindle control signal.
59
28
SLEQ
I
Connection pin for constant of sled phase
+
SLD
o
Output pin for sled control signal.
30
SL-
}
Input pin for sled signal from micro processor.
32
JP-
I
Input pin for tracking jump signal from digital
33
JP+
34
TGL
defect detection of the disc.
F
compensation
29
60
PH1
I
Capacitor connection pin for peak-hold of
61
BHI
I
Capacitor connection pin for bottom-hold of
I
--1I
~
RF signal.
I
I RF signal.
62 I
LDD
I O 10utput pin of APC(Auto Power Control) circuit.
63 I
LDS
I I I Input pin for APC(Auto Power Control) circuit.
64 I VCC1
Input pm for tracking gam control signal from
di ital si nal rocessor. TGL=H:
T
- I Not connection
F
49
l_
Output pin for Focusing Error signal.
Connection
Input pin for VCO control amplifier, consist of
PLL loop finer with VCOC and PDO of digital
51
compensation, consist of between FA and FE.
20
Ground for digital signal.
t
Output pin for tracking control signal.
Connection pin for constant of focusing phase
-r
digital signal processor.
I
tracking jump (kick pulse) signal.
compensation, consist of between FD and FA.
FA+
Input pin for level control of data-slice by
SLI
44
Connection pin for constant of tracking
Phase compensation.
- I VCC for RF root.
%
1
ain low
,..
.....
. .... ...
. .,, -,
... .
“..’.
/.
-14-
IC BLOCK DIAGRAM
IC6 LA9240M(CD
,,
.. . .
& DESCRIPTION
—
+k
RF Servo Signa~ Processor)
BH1 PHI
LDD
LOS
Vccl
LF2
VR REFl
DEF
VC.22 FSS DRF CE DAT CL CLK
—
I
I
—1
~
r
FINI
Vc
)
II
I
TBC
( 2+
FSC
w
E(
3>
F
4>
DGND
❑
FACE
!JUIEFI
SLI
SLC
\
SLC
RFS.
RF /Wlp
+-
RFSM
I
Cv+
I
I
T. SEiWCl
f
cv-
& T. LOGICK
sLOF
HFL
/--
TES
TOFF
TGL
JP+
TO
1
FD
16
L-
+
[
9
Fib
IC7 LA6541 D (CD Mechanism
Vcc
d
.ED SERVO
Pickup
VIN4
Vref
VW
FA-
LA
FE FE. AGND6P
SPG .5P-
W
S4%) SLEO
SLD
J
& Motor Driver)
V&
V06
GND
V07
VOS
VG3
.m
Level
Sift
01
SL- SL+
CD
Si
Driver
Driver
VIN3
RES
Regulator
Ilkfl
I
I
Vcc
Mute
VIN1
WI
Vol
V02
GNO
/.
-15-
V03
V04
VG2
WN2
Reg OUT
Reg IN
I
I-lLrrv
.
II
—
~
Lmvsz
W*O
0’~ ‘T
—
—
r-
1-
10
’61-
Ium
mm
moo
LO*3
1o-”
~= ,,L----------
-..
---.’
1
“mu
,0,3
~
v-
d
mm
.9%2
Zwo
Asnzz
I
,WZQSZ
Zmn,
*RM
nrt
,lccOo
‘8t
-
XrC
*N
1
,
1
mm
VI W,nlc
am
M
%00s2
Zoco
s
xc
,,,”
Orc
LOS”
5
iiiBiii
awl
~
Y
am
x,
s ::
mu
20
1
m<”
I
c;,
Zq
=1
I -J
“s13’”=’
saw
p-p
:-.=...-f–
, p,
...?.f.?-!
—.
}Ay!
‘[
l-”
I
‘q
1
-J
Kzram
=F
I
a
Im
I
,.:.
Xamu
I
I
“1
1
—
—
II
~---
II
‘1
H
Q
,M.7u
mm
ma
-----------
I
--,.
,,,
m
..-”.
.~
~--’’’””z”
u
J--...#
saw
Al
G=Y’”&
a
Wxa
mod
z,,,
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