Sanyo DC-MCR30 User manual

Service Manual
FILE NO.
REFERENCE No. SM5810348
PRODUCT CODE No.
129 640 06
Micro Component System DC-MCR30
CONTENTS
Specifications ...................................................................1
Caution.............................................................................1
Laser beam safety precaution..........................................1
Tuner adjustment .............................................................2
Block diagram ..................................................................3
Exploded view (cabinet and chassis) ...............................4
Parts list ...........................................................................5
Exploded view (CD mechanism) and Parts List ...............7
Wiring connection ............................................................8
IC block diagram and description.....................................9
Schematic diagram (Main) ...............................................12
Schematic diagram (CD)..................................................14
Wiring diagram (Main)......................................................16
Wiring diagram (CD and Speaker) ...................................17
Wiring diagram (KEY and Phone) ....................................18
Wiring diagram (Display and Motor) ................................rear
(AU)

- 1 -
• Pickup that emits a laser beam is used on this CD section.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
LASER OUTPUT................ 0.6 mW Max. (CW)
WAVE LENGTH ................. 790 nm
LASER BEAM SAFETY PRECAUTION
CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE
FOR STRÅLING.
VARNING – OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD
OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR FARLIG.
VORSICHT – UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN
DECKEL GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.
VARO – AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
SPECIFICATIONS
CD player
Channels:
2 - channel stereo
Sampling frequency:
44.1 kHz
Pick-up:
Optical 3-beam semiconductor laser
Laser output:
0.6 mW (Continuous wave max.)
Wave length:
790 nm
Wow/flutter:
Below measurable limits
Tuner
Reception frequency:
FM: 87.5 - 108.0 MHz , Step 50kHz
AM: 520 - 1710 kHz , Step 10KHz
(522 - 1710 khz , Step 9kHz))
General
Output power:
20 W x 2 (at 4 ohms, 10% distortion)
Input
AUX IN: 400 mV/50k ohms
Outputs
SPEAKERS: 4 ohms
PHONES: 8 - 32 ohms
Power requirements:
AC 240V, 50 Hz
Power consumption:
45 W
Dimensions:
190(W) x 150(H) x 323(D) mm
Weight:
4.2 kg
Speaker systems (magnetic shield)
Type:
2 way bass reflex
Unit used:
Woofer: 10 cm cone type
Tweeters:2.5 cm balance
Maximum power-handling capacity:
40 W (peak)
Nominal impedance:
4 ohms
Dimensions:
160(W) x 260(H) x 216(D) mm
Weight:
2.2 kg (per speaker)
This is a basic specifications.
Specifications subject to change without notice.
CAUTION
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.

- 2 -
TUNER ADJUSTMENTS
This is a basic tuner adjustment.

- 3 -
BLOCK DIAGRAM
This is a basic block diagram.

- 4 -
EXPLODED VIEW(CABINET & CHASSIS)
1
23
56
7
810 11 12
14
19
55
56
60
57
58
22
Y12 Y13
Y14
Y16
Y16
Y18
Y17
Y19
Y20
Y20
Y20
Y20
Y20
Y20
Y15
Y15
23
24
28
20
16
15
54
16
51
5253
18
17
13
72
73
74
71
77
78
4Y01
Y03
Y02
Y02
Y04
Y05
Y05
Y11
Y06
Y07
Y07
Y08 Y09
Y09
Y10 IC501
Q901
Y10

- 5 -
ELECTRICAL-PARTS
REF.NO. PART NO. DESCRIPTION
51 645 056 4468 5P J WIRE,RB501 TO CN501
52 645 056 4000 FUSE,VDE
53 645 056 4000 FUSE,VDE
54 645 056 3713 HEAT SINK
55 645 056 4383 6P J WIRE AWG28 1571
,CN803 TO CD MOTOR
56 645 056 4406 5P J WIRE AWG28 1571
,CN809TO CD LOADER
57 645 057 3491 PWR TRANS,EI66 RADIAL
58 645 050 7182 AC LINE CORD
60 645 053 6984 J WIRE 20624,PICK UP TO CN805
645 048 7163 AC CONNECTOR
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
645 057 3439 CARTON CASE,ICC100111-0006
645 056 3881 POLYFOAM LEFT,MAIN LEFT
645 056 3898 POLYFOAM RIGHT,MAIN RIGHT
645 048 7774 POLYBAG,FOR PWR CORD
645 048 7781 POLYBAG,FOR I/B
645 056 3911 POLYBAG,FOR MAIN UNIT
645 057 3651 INSTRUCTION MANUAL
645 056 3690 MAIN SPK BOX
645 050 7182 AC LINE CORD
645 056 3218 REMOCON
645 057 3514 FM ANT,VTA200001-0030
645 056 4208 LOOP ANT ASSY,VTA400002-0010
PARTS LIST
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
Regular type resistors are less than 1/4W carbon type and chip resistors.
Regular type capacitors are less than 50V and less than 1000µF of Ceramic type and Electrolytic type.
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH
THE IEC SYMBOL !
!! IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY
CAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT
PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE
DESIGNATED IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST
BE MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT
BEFORE RETURNING THE PRODUCT TO THE CUSTOMER.
REF.NO. PART NO. DESCRIPTION
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1645 056 3256 DEC BASE COVER
2645 056 3393 KNOB PLAY
3645 056 3478 KNOB LENS
4645 056 3430 KNOB VOLUME
5645 056 3485 VOLUME LENS
6645 056 3287 DEC PANEL
7 645 056 3454 DISPLAY WINDOW
8645 056 3324 FRONT CAB
10 645 056 3409 KNOB FUNCTION,LEFT
11 645 056 3416 KNOB FUNCTION,CENTRE
12 645 056 3423 KNOB FUNCTION,RIGHT
13 645 056 3676 SPACER
14 645 056 3522 SUPPORT,FOR CON PCB
15 645 049 3690 BEAD FERRITE,SPK WIRE
16 645 056 3782 BKT
17 645 048 7392 WASHER
18 645 056 3744 MICA SHEET,W/1 HOLE 3.3D
19 645 056 3300 CD DOOR
20 645 056 3775 BOTTOM,T=0.8MM GX-K2
22 645 049 3690 BEAD FERRITE,LINE CORD
23 645 048 7354 AC LINE BUSHING
24 645 057 3316 BACK COVER,REAR CAB
28 645 056 3768 TOP COVER,T=0.7MM GX-K2
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y01 645 056 3812 SCR 3X8,F TO BTM
Y02 645 056 3812 SCR 3X8,TOP CAB TO BTM
Y03 645 056 3850 SCR 2.5X8,DEC PANEL TO FRONT
Y04 645 056 8473 SCR 3X8,PHONE JACK TO FRONT
Y05 645 056 8473 SCR 3X8,CON. PCB TO F CAB
Y06 645 056 3836 SCR 3X20,CON.PCB TO FRONT
Y07 645 056 3812 SCR 3X8,MAIN PCB TO BTM
Y08 645 056 3812 SCR 3X8,MAIN PCB TO BKT
Y09 645 053 6113 SCR 3X10,BKT TO H/S
Y10 645 053 6113 SCR 3X10,IC TO H/S
Y11 645 056 8473 SCR 3X8,CD PCB TO CD LOADER
Y12 645 056 3843 SCR 3.5X12,CD LOADER TO BTM
Y13 645 056 3805 SCR 4X8,X’FOMER TO BOTTOM
Y14 645 056 8473 SCR 3X8,HEAT SINK TO BTM
Y15 645 048 7576 WASHER,FOR X’FOMER
Y16 645 048 7552 NUT,X’FOMER TO BTM
Y17 645 056 8473 SCR 3X8,AUX JACK TO BACK
Y18 645 056 8473 SCR 3X8,ANT JACK TO BACK
Y19 645 056 8473 SCR 3X8,SUB.JACK TO BACK
Y20 645 056 8473 SCR 3X8,SPK JACK TO BACK
PHONE P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
71 614 325 7356 ASSY,PWB,PHONE(Only initial)
JK501 645 056 3621 PHONE JACK
RB501 645 057 3354 5P CONNECTOR
KEY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
72 614 325 0654 ASSY,PWB,KEY(Only initial)
TA208 645 048 7965 SW TACT SKHVBE3520,
TUNER/BAND
TA210 645 048 7965 SW TACT SKHVBE3520,MEMORY
TA212 645 048 7965 SW TACT SKHVBE3520,
SOUND PRESET
TA215 645 048 7965 SW TACT SKHVBE3520,PERSET-
TA220 645 048 7965 SW TACT SKHVBE3520,
FUNCTION(ROS MODE)
TA224 645 048 7965 SW TACT SKHVBE3520,
FM MODE (PTY CHECK)
TA231 645 048 7965 SW TACT SKHVBE3520,PRESET+
TA232 645 048 7965 SW TACT SKHVBE3520,TUNE+
TA233 645 048 7965 SW TACT SKHVBE3520,TUNE-
DISPLAY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
73 614 325 7332 ASSY,PWB,DISPLAY(Only initial)
C0252 403 135 5108 ELECT 4700U M 10V
CN201 645 048 7262 5P CONNECTOR
CN202 645 048 7286 8P CONNECTOR
CN207 645 057 3361 3P HEADER
CN208 645 057 3361 3P HEADER
CN251 645 052 9856 8P CONNECTOR
CN302 645 052 9801 4P CONNECTOR
D0203 645 048 8092 DIODE 1N4148
D0205 645 048 8092 DIODE 1N4148
D0251 645 048 8092 DIODE 1N4148
D0252 645 048 8092 DIODE 1N4148
D0253 645 048 8092 DIODE 1N4148
DP201 645 056 3997 DISPLAY LCD
IC201 645 048 8238 IC 5V43-1 J15,TMP87EP26
L0251 645 048 8429 CHOKE COIL 10UH,AI

- 6 -
PARTS LIST
REF.NO. PART NO. DESCRIPTIONREF.NO. PART NO. DESCRIPTION
L0252 645 048 8429 CHOKE COIL 10UH,AI
L0253 645 048 8436 CHOKE COIL 100UH,AI
LD201 645 056 3973 LED
LD202 645 056 3973 LED
LD203 645 056 3980 LED
LD204 645 056 3980 LED
LD205 645 056 3980 LED
LD206 645 056 3980 LED
Q0252 645 056 4079 TR 2SC945,NPN
Q0253 645 048 8153 TR 2SA733Q P,PNP
Q0254 645 056 4079 TR 2SC945,NPN
Q0255 645 056 4079 TR 2SC945,NPN
Q0256 645 056 4079 TR 2SC945,NPN
Q0257 645 056 4079 TR 2SC945,NPN
Q0258 645 056 4079 TR 2SC945,NPN
Q0259 645 056 4079 TR 2SC945,NPN
RB810 645 056 3584 15P CONNECTOR
SN201 645 057 3453 REMOTE SENSOR,RPM6938-V4
TA202 645 048 7965 SW TACT SKHVBE3520,POWER
TA204 645 048 7965 SW TACT SKHVBE3520,
CLOCK/TIMER
TA206 645 048 7965 SW TACT SKHVBE3520,STOP
TA218 645 048 7965 SW TACT SKHVBE3520,SLEEP
TA222 645 048 7965 SW TACT SKHVBE3520,
PAUSE/PLAY
TA226 645 048 7965 SW TACT SKHVBE3520,
BASSXPADER
TA229 645 048 7965 SW TACT SKHVBE3520,
OPEN/CLOSE
TA230 645 048 7965 SW TACT SKHVBE3520,
SURROUND
VR201 645 053 0425 JOG VOLUME
XL201 645 056 3935 CRYSTAL,HC-49US
XL202 645 048 7859 CRYSTAL 32.768KHZ,HC-49/U
ZD251 645 048 8191 ZENER DIODE 5.1V,HZ5C-2
645 056 3904 SENSOR SPONGE,FOR SENSOR
645 056 3232 LCD FILTER,PVC
645 056 3362 LCD HOLDER
645 056 3379 LED HOLDER,L
645 056 3386 LED HOLDER,R
645 056 3461 DISPLAY LENS
645 056 3669 LED HOLDER
645 056 3522 SUPPORT,FOR CON PCB
645 056 3676 SPACER
MAIN P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
74 614 325 7318 ASSY,PWB,MAIN(Only initial)
BD901 645 056 4086 RECTIFIRER RS402L
C0108 645 056 4031 POLY CAP 470PF
C0126 403 056 9506 POLYESTER 0.01U J 50V
C0127 403 059 5000 POLYESTER 0.022U J 50V
C0128 403 059 5000 POLYESTER 0.022U J 50V
C0131 403 058 9108 POLYESTER 0.018U J 50V
C0132 403 058 9108 POLYESTER 0.018U J 50V
C0133 403 058 7401 POLYESTER 1800P J 50V
C0134 403 058 7401 POLYESTER 1800P J 50V
C0411 403 057 1905 POLYESTER 0.1U J 50V
C0412 403 057 1905 POLYESTER 0.1U J 50V
C0417 403 056 9506 POLYESTER 0.01U J 50V
C0418 403 056 9506 POLYESTER 0.01U J 50V
C0470 403 058 4608 POLYESTER 0.15U J 50V
C0471 403 058 4608 POLYESTER 0.15U J 50V
C0503 403 060 5204 POLYESTER 3300P J 50V
C0504 403 060 5204 POLYESTER 3300P J 50V
C0505 403 057 8706 POLYESTER 0.12U J 50V
C0506 403 057 8706 POLYESTER 0.12U J 50V
C0905 403 135 5702 ELECT 4700U M 25V
C0906 403 135 5702 ELECT 4700U M 25V
CF101 645 056 3928 CERAMIC FILTER 10.7M
CF102 645 056 3928 CERAMIC FILTER 10.7M
CF104 645 056 3959 CERAMIC FILTER 10.7M
CF105 645 056 3966 RESONTOR 456F
CF106 645 048 7828 CERAMIC FILTER 450KH
CN001 645 048 7224 2P CONNECTOR
CN501 645 048 7200 5P CONNECTOR
CN901 645 056 3577 3P CONNECTOR
D0002 645 048 8092 DIODE 1N4148
D0003 645 048 8092 DIODE 1N4148
D0101 645 048 8092 DIODE 1N4148
D0102 645 048 8092 DIODE 1N4148
D0402 645 048 8092 DIODE 1N4148
D0503 645 048 8092 DIODE 1N4148
D0505 645 048 8092 DIODE 1N4148
EF001 645 057 3521 TUNER PACK,FM TUNER
F0901 645 056 4000 FUSE,VDE
F0902 645 056 4000 FUSE,VDE
IC101 645 056 4116 IC TA8132AN,AM/FM IF+MPX
IC301 645 048 8276 IC TC9257F
IC401 645 053 0487 IC TC9422F,VOL EQ
IC402 645 048 8313 IC JRC4558D,OP AMP
IC403 645 056 4093 IC TC4052BP,4 CH MULTIPLEXER
IC501 645 050 7076 IC TDA7265,25+25 PWR IC
IC902 645 048 8337 IC AN7806
IC905 645 050 7083 IC 7812,REGULATOR
IC906 645 056 4109 IC 7808,REGULATOR
JJ007 645 056 4352 FLAT WIRE,FOR IC902,IC905
JK401 645 056 3638 RCA JACK,RCA-214
L0101 645 048 8504 AM ANT OSC
L0103 645 048 8429 CHOKE COIL 10UH
L0104 645 048 8429 CHOKE COIL 10UH
Q0102 645 048 8139 TR 2SC1675L,NPN
Q0103 645 048 8122 TR 2SC945P,NPN
Q0104 645 048 8153 TR 2SA733Q P,PNP
Q0105 645 048 8122 TR 2SC945P,NPN
Q0106 645 048 8153 TR 2SA733Q P,PNP
Q0107 645 048 8153 TR 2SA733Q P,PNP
Q0108 645 048 8115 TR 2SK192A-Y GR
Q0301 645 048 8122 TR 2SC945P,NPN
Q0302 645 048 8122 TR 2SC945P,NPN
Q0303 645 048 8122 TR 2SC945P,NPN
Q0501 645 048 8146 TR 2SC2878-A
Q0502 645 048 8146 TR 2SC2878-A
Q0503 645 048 8153 TR 2SA733Q P,PNP
Q0504 645 048 8122 TR 2SC945P,NPN
Q0507 645 048 8122 TR 2SC945P,NPN
Q0508 645 048 8122 TR 2SC945P,NPN
Q0509 645 048 8153 TR 2SA733Q P,PNP
Q0901 645 050 7090 TR 2SB772P,PNP
Q0902 645 048 8122 TR 2SC945P,NPN
Q0904 645 048 8122 TR 2SC945P,NPN
Q0905 645 050 7090 TR 2SB772P,PNP
R0138 645 048 8092 DIODE 1N4148
RB105 645 056 3645 SHLD CABLE AWG 26 15,
TO CN105
SR001 645 056 3812 SCR 3X8,MAIN PCB TO BKT
SR002 645 053 6113 SCR 3X10,IC TO H/S
SR003 645 053 6113 SCR 3X10,BKT TO H/S
T0101 645 056 4161 OSC COIL
T0102 645 056 4130 IFT AM
TC102 403 012 4002 CERAMIC 15P J 50V
TC103 645 048 7989 TRIMMER 20PF,N450
VD102 645 048 8405 DIODE 1SV149B,
AM TUNING DIODE
VD103 645 048 8405 DIODE 1SV149B,
AM TUNING DIODE
XL301 645 048 7873 CRYSTAL 7.2MHZ,HC-49/U
ZD101 645 048 8177 ZENER DIODE 3.9V
ZD401 645 048 8214 ZENER DIODE 9.1V
ZD402 645 048 8191 ZENER DIODE 5.1V
645 048 7316 ANT JACK,HSP-102V-02
645 048 7392 WASHER
645 056 3713 HEAT SINK
645 053 0036 COPPER SHEET,BIG
645 056 3744 MICA SHEET,W/1 HOLE 3.3D
645 056 3782 BKT
645 048 7309 FUSE CLIP,FOR F901
645 048 7309 FUSE CLIP,FOR F902

- 7 -
PARTS LIST
REF.NO. PART NO. DESCRIPTION
PM1
PM7
PM6
PM8
PM9
PM10 PM13
PM13
PM13
PM12
PM13
PM2
PM3
PM11
PM5
PM4
PM15
REF.NO. PART NO. DESCRIPTION
EXPLODED VIEW(CD MECHANISM) and PARTS LIST
CD P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
77 614 325 0647 ASSY,PWB,CD(Only initial)
C0811 403 061 7306 POLYESTER 4700P J 50V
C0812 403 061 7306 POLYESTER 4700P J 50V
C0818 403 059 9800 POLYESTER 2700P J 50V
C0851 403 125 5507 ELECT 1000U M 16V
C0854 403 059 7509 POLYESTER 0.22U J 50V
C0856 403 059 7509 POLYESTER 0.22U J 50V
CN801 645 048 7279 6P CONNECTOR,TO RB807
CN803 645 048 7279 6P CONNECTOR,TO MOTOR
CN805 645 053 5857 16P CONNECTOR
CN809 645 048 7262 5P CONNECTOR,TO CD LOADER
D0802 645 048 8092 DIODE 1N4148
IC801 645 053 6410 IC TA2153FN,
RF AMP DIGIT.SERV CD
IC802 645 048 8290 IC TC9462F,
DIGITAL SERVO SINGLE
IC803 645 053 0494 IC TA2092N
IC804 645 048 8320 IC TA7291S
L0801 645 048 8436 CHOKE COIL 100UH,AI
L0802 645 048 8436 CHOKE COIL 100UH,AI
L0805 645 048 8429 CHOKE COIL 10UH,AI
L0806 645 053 6595 BEAD FERRITE,AI
L0807 645 053 6595 BEAD FERRITE,AI
L0808 645 048 8436 CHOKE COIL 100UH,AI
Q0801 645 048 8160 TR 2SA952,PNP
Q0802 645 048 8122 TR 2SC945P,NPN
Q0803 645 048 8122 TR 2SC945P,NPN
Q0804 645 053 0456 TR 2SC2001L
Q0805 645 048 8153 TR 2SA733Q P,PNP
TP801 645 053 9763 TEST PIN,FEO
TP802 645 053 9763 TEST PIN,RFO
TP803 645 053 9763 TEST PIN,TEO
TP804 645 053 9763 TEST PIN,VRO
XL801 645 048 7866 CRYSTAL 16.9344MHZ,HC-49/U
ZD801 645 048 8207 ZENER DIODE 5.6V,HZ6B-2
ZD802 645 056 4048 ZENER DIODE 4.7V,HZ5A-2
645 053 6984 J WIRE 20624,PICK UP TO CN805
645 056 3799 HEAT SINK,FOR IC803
SPEAKER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
78 614 325 7349 ASSY,PWB,SPK(Only initial)
C0528 403 059 7509 POLYESTER 0.22U J 50V
JK502 645 056 3652 RCA JACK
SP501 645 056 3607 SPK JACK
645 048 7194 4P CONNECTOR
CD MECHANISM ASSY
REF.NO. PART NO. DESCRIPTION
645 056 3201 1CD LOADER ASSY
PM1 645 056 3447 1CD TRAY
PM2 645 056 3355 TURN TABLE HOLDER
PM3 645 056 3737 MAGNET
PM4 645 048 7675 SCR 3X8
PM6 645 056 3249 CD CHASSIS
PM7 645 056 3331 CONTROL GEAR
PM8 645 056 3515 GUID BKT
PM9 645 056 3492 PULLEY GEAR
PM10 645 056 3560 BELT
MOTOR P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
PM5 614 325 0685 ASSY,PWB,MOTOR(Only initial)
CN822 645 052 9832 5P CONNECTOR
SW821 645 056 4024 SWITCH,DS-23K21
SW822 645 056 4024 SWITCH,DS-23K21
645 056 3706 MOTOR
PM11 645 056 3751 MAGNET PLATE
PM12 645 056 3348 CD MECHAN HOLDER
PM13 645 056 3539 CD FOOT BUSHING
PM15 645 056 4215 CD DECK MECHANISM

- 8 -
WIRING CONNECTION
RB501
(5P)
JK501
PHONES
CD P.W.B
CD MECHANISM
CN502
(4P)
CN805
(16P) CN803
(6P)
PICK UP
CN801
(6P)
CN809
(5P)
CN822
(5P) LOADING MOTOR
SPINDOL/SLED
MOTOR
CN103
(2P)
CN208
(3P)
CN207
(3P)
CN201
(5P) CN302
(4P)
CN202
(8P)
CN251
(8P)
DP201
RB810
(15P)
CN810
(15P)
SUB
WOOFER
SP501 JK502
CN901
(3P)
RB202
(8P)
RB201
(5P)
RB807
(6P)
RB103
(2P)
RB302
(4P)
JK401
AUX IN
JSPEAKERS
(4 ohm MIN.)
R L
JK002
FM ANT.
75 ohm
CN001
AM LOOP ANT.
LR
RB502
(4P)
CN501
(5P)
FU901
T6.3A L 250V
FU902
T6.3A L 250V
PHONE P.W.B
DISPLAY P.W.B
KEY P.W.B
MAIN
P.W.B
IC905
P.W.B IC902
P.W.B
SPEAKER P.W.B
AC IN
P.T
This is a basic wiring connection.

- 9 -
IC BLOCK DIAGRAM & DESCRIPTION
IC101 TA8132(AM/FM IF+MPX)
IC203 BU1923(RDS/RBDS Decoder)
IC201 TMP87EP26(Micom)
16-bit
Tiner/Counter
Time Base
Timer
Watchdog
Timer
TC1
System Controller
Standby Controller
Timing Generator
High frequ.
Low frequ. Clock
Generator TC2
Interrupt Controller
8-bit
Tiner/Counter
Oata Memory
(RAM) Data Memory
(EEPROM) Program Counter
8bit
AD converter P5 P0 P4
I/O ports
VAREF
I/O ports (Segment output)
Segment outputCommon output
P3 P4 PD
P2
Program Memory
TC3 TC5
Serial
Interfaces
SIO1 SIO2
Register banks
Stack Pointer
Flags RBS
PSW
LOD Driver
ALU
VDD
VSS
VLC
RESET
BOOT
TEST
XIN
XOUT
MROM
BOOT
Inst. Register
Inst. Decoder
EEPROM
P9P6
P93/SEG12
to
P90/SEG15
COM3
to
COM0
P22
to
P20
P57 to P50
(AIN7) to (AIN0)
P07
to
P00
P17
to
P10 P36
to
P30 P47
to
P40
PD2
to
PD0
SEG11
to
SEG0
P87/SEG32
to
P80/SEG39 P77/SEG24
to
P70/SEG31 P67/SEG16
to
P60/SEG23
P7 P8
IC301 TC9257F(TUNER PLL)
2 MODULUS
PRESCALER 4bit SWALLOW COUNTER POWER ON RESET
TRI-STATE
BUFFER
TRI-STATE
BUFFER
OUTPUT PORT
ADDRESS
DECODER
OSC
CIRCUIT
PHASE
COMPARATOR
12bit PROGRAMMABLE COUNTER
20bit BINARY COUNTER
UNIVERSAL COUNTER CONTROL
REFERENCE COUNTER
24bit REGISTER
24bit SHIFT REGISTER
24bit REGISTER
MAX
1/ 2
UNLOCK
I/O PORT
XT 20 DO21
XT 19 DO12
PERIOD 18 I/O-7/SC
IN 3
CLOCK 17 I/O-8/IF
IN1 4
DATA 16 I/O-9/IF
IN2 5
OT-1 15 GND6
OT-2 14 FM
IN 7
OT-3 13 AM
IN 8
129
1110
OT-4 V
DD
I/O-5/CLK I/O-6
TC9257P, TC9257F
Top View
DIP-20PIN / SOP-20PIN
XT 16 DO2/OT-41
XT 15 DO12
PERIOD 14 I/O-5/IF
IN1 3
CLOCK 13 I/O-6/IF
IN2 4
DATA 12 GND5
OT-1 116
OT-2 10 AM
IN 7
OT-3 9 V
DD
FM IN
8
TC9256P, TC9256F
Top View
DIP-16PIN / SOP-16PIN
TEST
GATE AMP
AMP
AMP
OT-4
OT-4
OT-1 OT-3
OT-2 OT-4
RESET
PSC
MODE LFFM
HFFM
H
FM L
XT
1ms
1ms
OSC
4
8
24 22
10
5
5
4
4
15
12
4
DO1
I / O-5 / CLK
I / O-6
I / O-7 / SC
IN
DO2
(DO2 / OT-4)
I / O-9 / IF
IN2
(I / O-6 / IF IN2 )
I / O-8 / IF
IN1
(I / O-5 / IF IN1 )
GNDV
DD
FM IN
AM IN
XT
XT
DATA
CLOCK
PERIOD
(Note) Mark terminals are not existence in TC9256P, TC9256F.
Terminal name of TC9256P, TC9256F is shown in parentheses.
Others are common terminals.
IC402 TC9422F(Volume Control)
GND
2
1
V DD
28
3
4
5
6
7
8
9
10
11
12
13 14 15 16
27
26
25
24
23
22
21
20
19
18
17
Vref CK DATA STB
32BIT SR
50k
500
750
50k
100k
MAIN VR
50k / 64STEP
13k
13k
1k
BASS VR
50k /
16STEP
TREBLE VR
50k /
16STEP
50k
CAPACITOR FOR
OSCILLATION
GAIN CONTROL
0, 6, 12, 18dB
INPUT
SELECTOR
500
750
50k
100k
MAIN VR
50k / 64STEP
13k
13k
1k
BASS VR
50k /
16STEP
TREBLE VR
50k /
16STEP
CAPACITOR FOR
OSCILLATION
GAIN CONTROL
0, 6, 12, 18dB
INPUT
SELECTOR
L-IN1
L-IN2
L-IN3
L-IN4
L-SW-OUT
L-VR-IN
L-B1
L-B2
L-B3
L-Tone-OUT
L-T1
R-IN1
R-IN2
R-IN3
R-IN4
R-SW-OUT
R-VR-IN
R-B1
R-B2
R-B3
R-Tone-OUT
R-T1