Sanyo DC-MCR50 User manual

Service Manual
FILE NO.
REFERENCE No. SM5810404
PRODUCT CODE No.
129 664 02
Micro Component System DC-MCR50 (XE)
CONTENTS
Laser beam safety precaution..........................................1
Block diagram ..................................................................1, 7
Tuner Adjustment.............................................................2
Exploded View (Cabinet & Chassis) ................................3
Parts List ..........................................................................4
Schematic Diagram (Main) ..............................................12
Wiring Diagram (CD Main, CD Door Sw, LED1, LED2,
and Audio).........................................14
Wiring Diagram (Display and Phone & Remote)............16
Wiring Connection...........................................................Rear

- 1 -
LASER BEAM SAFETY PRECAUTION
• Pick-up that emits a laser beam is used in this CD player 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)
WAVELENGTH .............790 nm
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 TRITTAUS, WENN
DECKEL GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.
VARO – AVATTAESSA JASUOJALUKITUS OHITETTAESSA OLETALTTIINA
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA1823 (FM/AM MIX.)
IC401 KIA7808 (Regulator)
1 2 3 4 5 6 7 8 9 10 11 12
24 23 22 21 20 19 18 17 16 15 14 13
AM
RF AM
MIX
AM
OSC
OSC
BUFFER
FM
MIX
FM
OSC
IF
BUFFER
FM
IF AM
IF
FM
S-METER
AM
DET
PHASE
COMP
MUTEVCC2GND2
REG VCC1GND1
AGCST
TRIG
ST SW
VCO
DECODER
FF FFFF
SD
PILOT
DET FM
DET
FM
RF
IC102 LC72131 (PLL)
1 2 3
Pin No. Function
1INPUT
2COMMON
3OUTPUT

- 2 -
TUNER ADJUSTMENTS
Use a plastic screw driver for adjustments.
Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.
Supply voltage : DC 12.0V
Phones impedance : 32 ohms
Function switch : RADIO
a. Parts Location
b. AM Adjustment BAND SELECT SWITCH: AM.
Ste
p
Adjusting Tuning Input Connection Output Connection Adjustment VTVM Oscilloscope
circuit Frequency Measurement Input Measurement Output Parts OR VT. VOLT.
IC101PIN19(H)
1 IF 999 kHz AM Sweep Loop ANT VTVM IC101PIN6(E) T102
(450 KHz) Genertor Oscilloscope
2Tuning 522 KHz Digital C131(H), T101 1.50V+/- 0.05 V
3Coverage 1611 kHz Voltmeter C131(E) Confirm 7.8V+/-0.8 V
4603 kHz AM Signal VTVM C146TU(L) L106
5Tracking 1404 kHz Generator Loop ANT Oscilloscope IC101 pin6(E) TC101 Maximum
b. FM Adjustment BAND SELECTSWITCH: FM. FM Dummy Antenna : 75 ohm unbalance
StepAdjusting Tuning Input Connection Output Connection Adjustment VTVM Oscilloscope
circuit Frequency Measurement Input Measurement Output Parts
1 IF 98.0 MHz FM Sweep IC101(5)H VTVM IC101PIN19(H)
(10.70 MHz) Genertor IC101(6) E Oscilloscope IC101PIN6(E) (Non-adjustment)
2Tuning 87.5 MHz Digital C105(H) L103 2.0V+/- 0.2V
3Coverage 108 MHz Voltmeter C105(E)
490.0 MHz FM Signal C110 (H) VTVM C146TU(L) L102
5Tracking 106.0 MHz Generator IC101(6)E Oscilloscope IC101 pin6(E) TC102
Confirm6,5V+/- 0.8V
Maximum

- 3 -
EXPLODED VIEW(CABINET & CHASSIS)
48
1
2
3
12
14
5
6
7
810 11
15 27
17
16
18
19
21
25
34 26
30
31
32
35
36
39
40
42
43
33
44
45
46
47
49
52
51
53
55
56
57
58
59
28
9
60
50
61
S1
S2 S3
S5
S6
S7
S8
S9
S10
S11
S11
S13
S14
S16
S17
S18
S14
S14
S21
S22
S23
S24
13
29
S4
54
57
S22
S23
60
59
S24
58
61
56
51
53
54
S21
55
50
52
49 29
63
62
4
20 62
49

- 4 -
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
645 062 1918 INSTRUCTION MANUAL
645 027 2073 POLY BAG,PWR CORD
645 044 1943 POLY BAG,I/B
645 062 2014 POLY BAG,UNIT
645 062 2007 POLY BAG,SPK
645 062 2021 POLY FOAM,KIT
645 062 2083 CARTON CASE
!
!! 645 023 3463 POWER CORD
645 061 6280 REMOTE CTL,RC29-100000-010
645 061 6297 ANTENNA LOOP
62 645 062 0652 SPK BOX L,LEFT
63 645 062 0669 SPK BOX R,RIGHT
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 0 ohm 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.
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1645 062 1659 CD DOOR
2 645 062 1437 CD DOOR BKT
3645 062 1567 CD DOOR LENS
4 645 062 0591 ASSY CABINET TOP
6 645 062 1383 PULLEY WORM GEAR
7645 062 1284 CD DOOR GEAR
8645 062 1376 MOTOR PULLEY
9645 062 1420 MOTOR BKT
11 645 062 1611 TRANSPARNT LENS L
12 645 062 1628 TRANSPARNT LENS R
15 645 062 1338 KNOB BASS
16 645 062 1321 KNOB TUNING
17 645 062 1369 KNOB PRESS
18 645 062 1505 KNOB CD DOOR,OPEN
19 645 062 1512 KNOB FUNCTION
20 645 062 1352 KNOB SW,MONO/STEREO
21 645 062 1574 CD DISPLAY LENS
26 645 062 1345 KNOB VOLUME
27 645 062 1208 CD DECK MECHANISM
28 645 033 3446 RUBBER SILICON,HARDNESS
29 645 027 1373 WASHER METAL
30 645 062 1635 CAB REAR COVER,
HEAT SINK COVER
31 645 062 1222 HEAT SINK
33 645 062 1307 CABINET MIDDLE
34 645 062 1482 PANEL SIDE L,LEFT
35 645 062 1499 PANEL SIDE R,RIGHT
36 645 062 1406 AC SOCKET BKT
40 645 033 0391 AC SKT COVER
43 645 055 7514 REMOTE RECEIVER BKT
45 645 062 1598 DECOR FRANT LENS
46 645 062 1314 CABINET BOTTOM
47 645 062 1536 REMOTE LENS
48 645 062 1642 CABINET TOP
49 645 062 0584 ASSY CABINET BOTTOM
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
S10 645 023 6594 SCREW ST 3X8,DISPLAY BD
S11 645 023 6594 SCREW ST 3X8,ANT JACK,
OPTICAL JACK
S13 645 023 6594 SCREW ST 3X8,AUX JACK,
RCA JACK
S14 645 062 1116 SCR 3X15,CAB BTM TO CAB TOP
S16 645 023 6617 SCREW ST 3X10,AC SOCKET
S17 645 023 6594 SCREW ST 3X8,H/JACK BD
S18 645 023 6594 SCREW ST 3X8,MAIN BD
S1 645 062 1086 SCR 2X5,CD DOOR LENS
S2 645 062 1109 SCR 2.6X4,MOTOR
S3 645 023 6594 SCREW ST 3X8,MOTOR BKT
S4 645 027 1168 SCR 3X8,CD DOOR SW
S5 645 062 1116 SCR 3X15,
PWR TRANS TO CAB BTM
S6 645 023 6594 SCREW ST 3X8,
H/S COVER TO CD TRAY
S7 645 023 6587 SCREW ST 3X8,IC TO H/S
S8 645 023 6594 SCREW ST 3X8,AUDIO BD
S9 645 033 0247 SCR 2.6X8,CD DECK
ELECTRICAL-PARTS
REF.NO. PART NO. DESCRIPTION
5645 062 1215 CD DOOR MOTOR
14 !
!! 645 062 0683 PWR TRANS,9023FS
39 645 032 9760 AC SOCKET S-1-1225
645 062 0928 2P CONNECTOR,SPEAKER
645 042 9569 HSG 6P,MAIN CN902 TO CD DECK
645 062 1000 HSG 2P,MAIN CN706 TO LED BD
645 062 1017 HSG 4P,MAIN CN704 TO CN804
645 062 1024 HSG 4P,MAIN CN303 TO CN305
645 062 1031 HSG 5P,MAIN CN301 TO CN801
645 062 1048 HSG 7P,MAIN CN302 TO CN304
645 062 1055 HSG 14P,MAIN CN703 TO CN708
645 062 1062 HSG 5P,
MAIN CN903 TO CD DOOR SW
645 062 1079 FFC CABLE 16P,
MAIN CN901 TO CD DECK
645 062 1185 HSG 12P,MAIN CN701 TO CN709
645 062 1192 HSG 13P,MAIN CN702 TO CN707

- 5 -
PARTS LIST
REF.NO. PART NO. DESCRIPTION
LED 1 P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
10 614 327 0034 ASSY,PWB,LED 1(Only initial)
LED01 645 062 0881 LED
CD DOOR SW P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
13 614 327 0058 ASSY,PWB,CD DOOR SW
(Only initial)
SW001 645 062 0836 MICRO SW
SW002 645 062 0836 MICRO SW
DISPLAY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
25 614 327 0010 ASSY,PWB,DISPLAY(Only initial)
LD701 645 062 0843 LCD DISPLAY,LCD701
LE701 645 062 0881 LED,LED701
LE702 645 062 0881 LED,LED702
SW701 645 062 0829 SW TACT,POWER
SW702 645 062 0829 SW TACT,MO/ST
SW703 645 062 0829 SW TACT,INTRO
SW704 645 062 0829 SW TACT,AUX
SW705 645 062 0829 SW TACT,TU/BAND
SW706 645 062 0829 SW TACT,MODE
SW707 645 062 0829 SW TACT,STOP
SW708 645 062 0829 SW TACT,CD P/P
SW709 645 055 7064 SW TACT,OPEN/CLOSE
SW710 645 055 7064 SW TACT,MEMORY
SW711 645 055 7064 SW TACT,RENDOM
SW712 645 055 7064 SW TACT,REPEAT
SW713 645 055 7064 SW TACT,B-SKIP
SW714 645 055 7064 SW TACT,F-SKIP
SW715 645 055 7064 SW TACT,MUTE
SW716 645 055 7064 SW TACT,X-BASS
SW717 645 055 7064 SW TACT,EQ
VR701 645 055 7309 ROTARY ENCODER,VOL701
645 062 1413 DISPLAY BKT PLATE
645 062 1444 DISPLAY BKT
AUDIO P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
32 614 327 0003 ASSY,PWB,AUDIO(Only initial)
CN304 645 062 0959 7P HEADER
CN305 645 027 3803 WAFER 4P
IC301 645 062 0799 IC LA4725
Q0301 645 033 3538 TR 2SD1936S AC
Q0302 645 033 3538 TR 2SD1936S AC
PHONE & REMOTE P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
42 614 327 0027 ASSY,PWB,H/JACK(Only initial)
CN801 645 062 0942 5P HEADER
JK303 645 062 1147 ST PHONEJACK
L0801 645 044 1721 FERRITE BEAD
L0802 645 044 1721 FERRITE BEAD
L0803 645 044 1721 FERRITE BEAD
RM701 645 033 3477 DIODE RPM-6938-V4,REM701
SW718 645 055 7064 SW TACT,RESET
CD MAIN P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
44 614 326 9991 ASSY,PWB,CD MAIN(Only initial)
ANT01 645 062 1161 ANTENNA JACK,FM ANT
BF101 645 051 6467 BAND PASS FILTER
C0111 403 056 7908 POLYESTER 1000P K 50V
C0118 403 057 0403 POLYESTER 0.01U K 50V
C0119 403 057 0403 POLYESTER 0.01U K 50V
C0122 645 055 6791 POLY CAP 390PF
C0147 403 058 8200 POLYESTER 1800P K 50V
C0148 403 058 8200 POLYESTER 1800P K 50V
C0303 403 059 5901 POLYESTER 0.022U K 50V
C0304 403 059 5901 POLYESTER 0.022U K 50V
C0328 403 058 5209 POLYESTER 0.15U K 50V
C0404 403 125 5507 ELECT 1000U M 16V
C0509 403 058 5209 POLYESTER 0.15U K 50V
C0510 403 058 5209 POLYESTER 0.15U K 50V
C0511 403 058 5209 POLYESTER 0.15U K 50V
C0512 403 058 5209 POLYESTER 0.15U K 50V
C0513 403 059 3600 POLYESTER 2200P K 50V
C0514 403 059 3600 POLYESTER 2200P K 50V
C0524 403 056 7908 POLYESTER 1000P K 50V
C0525 403 056 7908 POLYESTER 1000P K 50V
C0719 645 055 6784 GOLD CAP DX-5R5H104,GOLD CAP
C0901 403 057 2803 POLYESTER 0.1U K 50V
C0902 403 060 8205 POLYESTER 0.033U K 50V
C0907 403 060 6102 POLYESTER 3300P K 50V
C0908 403 062 0306 POLYESTER 0.047U K 50V
C0909 403 057 2803 POLYESTER 0.1U K 50V
C0914 403 057 2803 POLYESTER 0.1U K 50V
C0915 403 058 3205 POLYESTER 0.015U K 50V
C0916 403 058 9900 POLYESTER 0.018U K 50V
C0917 403 060 6102 POLYESTER 3300P K 50V
C0922 403 060 6102 POLYESTER 3300P K 50V
C0924 403 059 3600 POLYESTER 2200P K 50V
C0926 403 060 8205 POLYESTER 0.033U K 50V
C0933 403 062 0306 POLYESTER 0.047U K 50V
C1105 403 121 2807 ELECT 6800U M 16V
C1107 403 135 0004 ELECT 2200U M 25V
CF101 645 062 0751 CERAMIC FILTER
CF102 645 062 0768 CERAMIC FILTER
CF103 645 062 0768 CERAMIC FILTER
CF104 645 055 6920 CERAMIC FILTER
CN701 645 062 0966 12P HEADER
CN702 645 062 0973 13P HEADER
CN703 645 062 0980 14P HEADER
CN704 645 042 9552 HEADER 4PINS
CN706 645 034 6798 HEADER 2PINS
CN901 645 055 7163 16P FFC HEADER
CN903 645 051 6535 5P HEADER
D0101 645 055 6821 DIODE 1N4148
D0102 645 055 6821 DIODE 1N4148
D0103 645 055 6821 DIODE 1N4148
D0104 645 055 6821 DIODE 1N4148
D0105 645 055 6821 DIODE 1N4148
D0301 645 055 6821 DIODE 1N4148
D0302 645 055 6821 DIODE 1N4148
D0303 645 055 6821 DIODE 1N4148
D0304 645 055 6821 DIODE 1N4148
D0701 645 055 6821 DIODE 1N4148
D0703 645 055 6821 DIODE 1N4148
D0709 645 055 6821 DIODE 1N4148
D0710 645 055 6821 DIODE 1N4148
D0711 645 055 6821 DIODE 1N4148
D0713 645 055 6821 DIODE 1N4148
D0714 645 055 6821 DIODE 1N4148
D0715 645 055 6821 DIODE 1N4148
D0716 645 055 6821 DIODE 1N4148
D0717 645 055 6821 DIODE 1N4148
D0718 645 055 6821 DIODE 1N4148
D0719 645 055 6821 DIODE 1N4148
D0722 645 055 6821 DIODE 1N4148
D0723 645 055 6821 DIODE 1N4148
D1101 645 027 0932 RECTIFIER 1N-5401
D1102 645 027 0932 RECTIFIER 1N-5401
D1103 645 027 0932 RECTIFIER 1N-5401
D1104 645 027 0932 RECTIFIER 1N-5401
F1101 645 062 0935 GLASS FUSE,FS1101
IC101 645 055 6975 IC LA1823ESIA
IC102 645 055 7019 IC LC72131
IC401 645 055 6982 IC KIA7808P
IC501 645 055 7026 IC LC75342
IC701 645 062 0805 IC LC587008 1P46
IC702 645 055 6951 IC PST600C
IC703 645 055 6968 IC PST600L
IC901 645 055 8436 IC LA9242M
IC902 645 033 4740 IC LC78622E
IC903 645 033 4702 IC LA6541D
IC904 645 062 0782 IC LB1641

- 6 -
PARTS LIST
REF.NO. PART NO. DESCRIPTION
JK301 645 062 1178 SPEAKER TERMINAL
JK302 645 057 2449 OPTICAL TRANSMITTING,
SUBWOOFER
JK501 645 062 1154 RCA JACK
L0102 645 062 0812 FM COIL
L0103 645 027 0345 VHF COIL
L0104 645 062 0874 CHOKE COIL 39MH
L0105 645 062 0874 CHOKE COIL 39MH
L0106 645 062 0775 IFT,OSC OA10-871104
L0107 645 027 0352 CHOKE COIL 100UH
L0108 645 044 7013 FM COIL 3.5T
L0301 645 062 0867 CHOKE COIL 10UH 2A
L0302 645 062 0867 CHOKE COIL 10UH 2A
L0303 645 062 0867 CHOKE COIL 10UH 2A
L0304 645 062 0867 CHOKE COIL 10UH 2A
L0305 645 033 3637 CHOKE COIL 10UH
L0306 645 033 3637 CHOKE COIL 10UH
L0501 645 033 3637 CHOKE COIL 10UH,FCC
L0502 645 033 3637 CHOKE COIL 10UH,FCC
L0503 645 033 3637 CHOKE COIL 10UH,FCC
L0701 645 027 0352 CHOKE COIL 100UH
L0901 645 042 0108 CHOKE COIL 26UH
L0903 645 027 0352 CHOKE COIL 100UH
Q0101 645 027 3797 TR 9018H
Q0102 645 034 7078 TR 2SC3330U
Q0103 645 027 0420 TR 8050C
Q0104 645 055 6876 TR 9018F
Q0303 645 032 9890 TR KTC-9015C
Q0304 645 033 3538 TR 2SD1936S AC
Q0305 645 033 3538 TR 2SD1936S AC
Q0306 645 034 7078 TR 2SC3330U
Q0307 645 023 6129 TR 9014C
Q0308 645 023 6129 TR 9014C
Q0309 645 032 9890 TR KTC-9015C
Q0310 645 023 6129 TR 9014C
Q0401 645 055 6883 TR KSA928A
Q0402 645 027 0420 TR 8050C
Q0403 645 023 6129 TR 9014C
Q0404 645 027 0420 TR 8050C
Q0407 645 023 6129 TR 9014C
Q0408 645 023 6129 TR 9014C
Q0409 645 055 6869 TR 8550B C
Q0410 645 055 6883 TR KSA928A
Q0705 645 055 6890 TR 2SC3400AC
Q0706 645 055 6890 TR 2SC3400AC
Q0707 645 055 6890 TR 2SC3400AC
Q0712 645 023 6129 TR 9014C
Q0713 645 023 6129 TR 9014C
Q0714 645 023 6129 TR 9014C
Q0715 645 023 6129 TR 9014C
Q0901 645 061 8246 TR 2SA608NFNPAAT
Q0903 645 033 3514 TR 2SB764D
R0409 402 071 1304 FUSIBLE RES 2.2 JA 1/4W
T0101 645 055 6944 IFT,OSC 1A612R
T0102 645 033 3866 AM COIL,IF 2070
T0801 645 027 0307 BIAS COIL,IFT 3630
TC101 645 023 6310 TRIMMER 10PF
TC102 645 023 6310 TRIMMER 10PF
VD101 645 062 0713 DIODE ISV101
VD102 645 062 0713 DIODE ISV101
VD103 645 055 6814 DIODE SVC348
X0101 645 062 0904 CRYSTAL
X0701 645 062 0898 CRYSTAL
X0702 645 062 0911 CRYSTAL 32.768KHZ
X0901 645 061 9915 RESONATOR 16.9344MHZ
ZD101 645 055 6838 ZENER 5.6V
ZD102 645 062 0744 ZENER 9.1V
ZD302 645 062 0720 ZENER 3.6V
ZD401 645 062 0737 ZENER 6.2V
ZD402 645 055 6838 ZENER 5.6V
ZD901 645 023 6105 ZENER DIODE
645 035 0511 FUSE HOLDER MW1010K,FS1101
645 062 0997 HSG 1P,FM ANT
645 042 0344 CONTACT PIN,FM RT-01T-1.0B
LED 2 P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
62 614 327 0041 ASSY,PWB,LED 2(Only initial)
LED02 645 062 0881 LED
SPEAKER SYSTEM
REF.NO. PART NO. DESCRIPTION
49 645 062 1550 HIGH SPK RING,ORNAMETAL
50 645 062 1277 SPK CLOTH
51 645 062 1468 SPK NET HOLDER
52 645 062 1543 LOW SPK RING,ORNAMETAL
53 645 062 1529 SCREW PLASTIC,DECORATION
54 645 062 1604 SPK PANEL LENS
55 645 062 1475 SPK PANEL
56 645 062 0690 SPK 2
57 645 062 0706 SPK 3.5
58 645 062 1291 SPK BOX PLASTIC PIPE
59 645 062 1888 SPK BOX STAND
60 645 062 1451 SPK AVOID QUAKE RING
61 645 062 1994 SPK BOX
62 645 062 0652 SPK BOX L,LEFT
63 645 062 0669 SPK BOX R,RIGHT
S21 645 062 1116 SCR 3X15,SPK PANEL
S22 645 062 1093 SCR 2X10,SPK RING
S23 645 027 1168 SCR 3X8,SPK
S24 645 062 1130 SCR 3.5X15,SPK STAND

- 7 -
IC501 LC75342 (2 band equalizer)
CONTROL
CIRCUIT
LOGIC
CIRCUIT CCB INTERFACE
CONTROL
CIRCUIT
15
14
16
17
18
19
20
21 22 24 25 2623
10 9 7 6 58
11
L4
L3
L2
L1
NC
NC
R1
R2
R3
R4
RSELO RIN RTRE RBASS1 RBASS2 ROUT
LSELO LIN LTRE LBASS1 LBASS2 LOUT
TEST
V
SS
CE
DI
CL
V
DD
Vref
NC
12
13
1
2
30
29
28
27
4
3
LVref
RVref
Pin functions
PinNumber PinDescription
14
13
12
11
17
18
19
20
L1
L2
L3
L4
R1
R2
R3
R4
Input signal connections
10
21 LSEL0
RSEL0 Input selector outputs
LBASS1
LBASS2
RBASS1
RBASS2 Connections for the resistors and capacitors that form thebass band filters.
9
22 LIN
RIN Vo lume control and equalizer input
5
26 LOUT
ROUT Vo lume and equalizer outputs
8
23 LTRE
RTRE Connections for the capacitors that form the treble band filters
.
28 Vref Connection to the 0.5xVDD voltage generator circuit used asthe analog signalground.
Applications must connect a capacitor ofabout 10 uFbetween this pinand Vss
3Vss Ground
29 VDD Po wer supply
2CE
Chip enable
Data is written to the internal latch when thispin goes from high to low.
The internal analog switches operate atthis point.Data transfer is
enabled when thispin is high.
1
30 DI
CL Serial data and clock inputs usedfor IC control.
Vss Electronic volume and tone control testing
Thispin must be tied toVssduring normal operation.
4
15
16
27 NC Unused.
These pins mustbe left open or connected toVssduring normal operation.
to exclude powersupply ripple.
7
6
24
25
IC BLOCK DIAGRAM & DESCRIPTION

- 8 -
IC BLOCK DIAGRAM & DESCRIPTION
IC701 LC587008 (4bit MICON)
Address
Pin No. Function Option At reset
V
DD
V
SS
24
23 Power supply
V
DD
1
2
V
DD
22
21
LCD drive power supply
NON 1/1 bias 1/2 bias 1/3 bias
VDD
VDD1
VDD2
VSS
CUP1
CUP2 3 4
Switching pin used to supply theLCD drive voltage to the VDD1and
V2PINS
DD
Connect a nonpolarized capacitor between CUP1and CUP2 when
1/2 or 1/3bias is used
Leave open when a bias other than 1/2 or1/3 is used.
CFIN Input 25 System clock oscillator connections
Ceramic resonator connection (CF specifications)
RC component connection (RC specifications)
External signal input pin (CFOUT isleft open)
This oscillator isstopped by theexecution of aSTOP or SLOW
instruction.
CF specifications
RC specifications
External
Specifications
Not used
CFOUT Output 26
XTIN Input 20
XTOUT Output 19
Referenc e calculation(cl ock specification s,LCD alternain g frequency),
system clock oscillator
32 kHz crystal resonator connection
65 kHz crystal resonator connection
This oscillator isstopped by theexecution of aSTOP instruction.
65k specifications
32k specifications
38k specifications
Not used
S1
S2
S3
S4
Input
27
28
29
30
Input-only ports
Input pins used to read datainto RAM
Built-in 7.8 msand 1.95 mschatter rejection circuits
Built-in pull-up/pull-down resistors
Note: The 7.8 ms and 1.95ms times arethe times whenf 0 is
32.768kHz.
Transistor to hold
alow orhigh level
Selection of either
pull-up or pull-
down resistor
The pull-up orpull-
down resistor are
on.
These pins go
to the floatin g
state when
reset is cleared.
Note:
K1
K2
K3
K4
I/O
31
32
33
34
I/O ports
Input pins used to output readdata into RAM
Output pins usedto output datafrom RAM
Built-in 7.8 msand 1.95 msinput-mode chatter rejection circuits.
The selection of7.8 or 1.95ms is linked to that forthe S ports.
Note: The 7.8ms and 1.95ms times arethe times whenf 0 is
32.768 kHz.
Transistors to hold
alow orhigh level
Selection of either
pull-up or pull-
down resistor
The pull-up orpull-
down resistors are
on.
These pins go
to the floatin g
state when
reset is cleared.
Note:
Input mode
Output latch data is
set high.
M1
M2
M3
M4 I/O
35
36
37
38
I/O ports
Input pins used to read datainto RAM
Output pins usedto output datafrom RAM
M4 is usedas the external clock input pinin Tm2 mode3.
*The minimum period for the external clock is twice the cycle time.
Built-in pull-up/pull-down resistors
The same asK1 to
K4 The same asK1 to K4
A1
A2
A3
A4
I/O
11
12
13
14
I/O ports
Input pins used to read datainto RAM
Output pins usedto output datafrom RAM
Built-in pull-up/pull-down resistors
The same asK1 to
K4 The same asK1 to
K4
P1
P2
P3
P4
I/O
15
16
17
18
I/O ports
Function: The same as pins A1to A4 The same asK1 to
K4 The same asK1 to
K4
Pin I/O QIP-80
Pin No. Function Option At reset
So1
So2
So3
So4
I/O
7
8
9
10
I/O ports
Function: The same as for pinsA1 to A4
Pins So1 toSo3 area alsoused for theserial interface.
Use of these pins inserial mode can be selected under program
cotrol.
Pin functions: SO1:Serial input pin
SO2:Serial output pin
SO3:Serial clock pin
The serial clock pin can beswitched between internal and external,
and between rising edge output andfalling edge output.
Transis tors to hold
alowor high level
Selection of either
pull-up or pull-
down resistors
Internal serial clock
divisor selection
The same asfor K1
to K4
I1/1
II 1/2
III 1/4
N1
N2
N3
N4 Output
39
40
41
42
Output-only ports
Output pins usedto output data from RAM
An alarm signal can be output from pin N4.(Note that this isonly
when the N4output latch islow.)
An alarm signal modulated at 1,2or 4 kHzcan be output.(These
frequencies are output when f 0 is 32.768 kHz.)
Acarrier signal can be output from N3.(Note that this is only
when the N3output latch islow.)
Pins N1 to N4
output circuit type:
Pins N1 toN4
output level
The output levels on
pins N1 to N4 can be
specified as an option
INT Input 6
Input ports
External interrupt request inputs
Input pins used to read datainto RAM
Input detection canbe performed oneither rising orfalling edges.
Built-in pull-up/pull-down resistors
Transistors to hold
alow or high level
Select ion of either
pull-up or pull-
down resistors
Signal conversion
(rising/f alling)
selectio n
RES Input 5
LSI internal reset input
The reset input level can beselected to beeither high orlow.
Built-in pull-up/pull-down resistors
Note: The reset pulse must beat least 500us.
*Only when the
input resistor open
spec ificat ion is
selected
TST Input 43 Test input
QIP80 products: Connect to Vss.
Chip products :Leave open orconnect to Vss.
Seg1,
Seg2 to
Seg35 Output 44,
45 to
78
LCD panel drive/general-purpose output
LCD panel drive
STATIC
1/2 bias-1/2 duty
1/2 bias-1/3 duty
1/2 bias-1/4 duty
1/3 bias-1/3 duty
1/3 bias-1/4 duty
Types Ito V canbe specified asmask options.
General-purpose output mode
CMOS
P-channel open drain
N-channel open drain
Types Ito III canbe specified asmask options.
LCD/g eneral -purpo se output contro l is handle d by the segme nt PLA,
and thus program control is notrequired.
These pins support output latch control on reset andin standby
states when the oscillators are stopped.
Arbit rary combinat ions of LCD drive and general-p urpose output s can
be used.
LCD driver/
general-purpose
output switching
LCD drive type
switching
STATIC
1/2 bias-1/2
duty
1/2 bias-1/3
duty
1/2 bias-1/4
duty
1/3 bias-1/3
duty
1/3 bias-1/4
duty
General-purpose
output circuit
switching
CMOS
P-channel
open drain
N-channel
open drain
Output latch control
in standby modes
LCD drive
All segments on
All segments off
*:Determined by
mask options
General purpose
outputs
High level
Low level
Determined by
mask options
Note:
When a
comb inatio n of
LCD drive and
general-
purpose
outputs,the
output state is
either:
All lit/hig h level
All off/low level.
These pins goto
the static drive
mode during the
reset period.
Continued from preceding page.
COM1
COM2 Output 2
1
LCD panel drive common polarity outputs
The table below shows how these pins are used depending on the duty
used.( values for alterna ting freque ncy reflect a typical specif ication of
32.768 MHz for f 0.)
COM1
Static duty 1/2 duty 1/3 duty 1/4 duty
The static drive
waveform is output
during the reset
period.
*There are cases
where the
alternati ng
frequenc y stops for
the CF,RC and
external clock
specifica tions.
(These cases differ
dependi ng on option
specifica tions.)
COM3
COM4 80
79 COM2
COM3
COM4
Alternation
frequency 32 Hz32 Hz 32 Hz 42.7 Hz 32 Hz
Note: A cross( X ) indicates that the pin is notused with that duty type.

- 9 -
IC702 PST600 (Regulator)
IC BLOCK DIAGRAM & DESCRIPTION
1
1VCC
2GND
3Vout
2 3
IC901 LA9242 (Servo)
1 FIN2
2 FIN1
3 E
4 F
5 TB
6 TE-
7 TE
8 TESI
9 SCI
10 TH
11 TA
12 TD-
13 TD
14 JP
15 TO
16 FD
17 FD-
18 FA
19 FA-
20 FE
21 FE-
22 AGND
23 NC
24 SP
25 SPG
26 SP-
27 SPD
28 SLEQ
29 SLD
30 SL-
31 SL+
32 JP-
33 JP+
34 TGL
35 TOFF
36 TES
37 HFL
38 SLOF
39 CV-
40 CV+
41 RFSM
42 RFS-
43 SLC
44 SLI
45 DGND
46 FSC
47 TBC
48 NC
49 DEF
50 CLK
51 CL
52 DAT
53 CE
54 DRF
55 FSS
56 Vcc2
57 REF1
58 VR
59 Lf2
60 Ph1
61 BH1
62 LDD
63 LDS
64 Vcc1
PIN FUNCTION
VCC1
LDS
LDD
BH1
PH1
LF2
VR
REF1
VCC2
FSS
DRF
CE
DAT
CL
CLK
DEF
64 63 62 61 60 59 57 56
58 55 54 53 52 51 50 49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
3130
29
28
27
26
25
24
23
2221
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
FIN2
FIN1
E
F
TB
TE-
TE
TESI
SCI
TH
TA
TD-
TD
JP
TO
FD
APC RFDET
I/V VCA
VCABAL
TE
+
-
T.SERVO &T.LOGIC
F.SERVO&F.LOGIC SPINDLESERVO SLEDSERVO
RFAmp
SLC
REF
U-COM
INTERFACE
+
-
+
-+
-+
-
+
-
+
-
+
-+
-
FD-
FA
FA-
FE
FE-
AGND
NC
SP
SPG
SP-
SPD
SLEQ
SLD
SL-
SL+
JP-
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV+
CV-
SLOF
HFL
TES
TOFF
TGL
JP+

- 10 -
IC BLOCK DIAGRAM & DESCRIPTION
EFMO VV DD VV SS PDO ISET FR PCK TAI
TST11
TEST1 TEST3 TEST5
TEST2 TEST4
V DD V SS
C2F
DOUT
(NC)
LV
DD
LV SS
MUTELLCHO
MUTER
RV
DD
RV SS
RCHO XV DD
XOUT
XINFSX
XV SS
4.2M16MEFLGEMPHCONT5
CONT4
CONT3
CONT2
CONT1 TGL RESJP+JP-TOFFTESHFL
RWC
COIN
CQCK
SQOUT
WRQ
CS
SFSY
SBSY
SBCK
PW
V/P
CLV-
CLV+
FSEQ
EFMIN
DEFI
10
22
1
12
13
14
49
51
47
50
63
53
55
57
56
54
15 16 17 20 19 58 18 24 25 26 27 28 29 48 60 61 46 52 45 44 43 39 41 42 40 37 35 38 36
34
31
30
9
21
64357 2
59 64 11 32 33 62
8
23
Slice level
Control
Subcode Dxract
QCRC
Syncrnous Detect
EFM Demodulation
VCO Clock Oscillator
& Clock Control
X'tal Root
Timing Generator
RAM Address
Generatorl
2KÅ~8bit
RAM
Billingual
Digital Out
General Ports
Digital Attenuator
Quadruple Over Sampling
Digital Filter
Interpolalation Mute
C1 C2 Error Detect &
Correct Control Flag
1bit DAC
L.P.F
CLV
Digital Servo
µCOM
Inter Fase
Servo Commander
IC902 LC78622 (Digital Signal Processor)
No. Pin Name I/O Function
32 TEST3 I Test pin.
33 TEST4 I Test pin.
34 NC - Non connection.
35 MUTEL O Mute output terminal for L-ch
36 LVDD - Power supply for L-ch
37 LCHOOOutput terminal for L-ch
38 LVSS - GND for L-ch
39 RVSS - GND for R-ch
40 RCHO O Output terminal for R-ch
41 RVDD - Power supply for R-ch
42 MUTER O Mute output terminal for R-ch
43 XVDD -Power supply of crystal oscillation
44 XOUT O Connection terminal of crystal oscillation (16.9344MHz)
45 XIN I Connection terminal of crystal oscillation (16.9344MHz)
46 XVSS - GND of crystal oscillation
47 SBSY O Output terminal for synchronizing signal of
sub-cord block
48 EFLGOOutput terminal for correction monitor of C1, C2,
Single and Double
49 PW O Output terminal for sub-cord of P, Q, R, S, T, U and W
50 SFSYOOutput terminal for synchronizing signal of
sub-cord frame
51 SBCK I Input terminal for readout clock of sub-cord
52 FSX O Output terminal of Synchronizing signal (7.35kHz)
53 WRQOOutput terminal for standby of sub-cord Q output
54 RWC I Input terminal of read / write control
55 SQOUT O Output terminal of sub-cord Q
56 COIN I Input terminal of command from micro processor
57 CQCK I Clock input for reading sub-cord from SQOUT
58 RES I Reset (turn on : L)
59 TST11 O Test pin
60 16M O 16.9344MHz
61 4.2M O 4.2336MHz
62 TEST5 I Test pin
63 CS I Chip select terminal
64 TEST1 I Test pin
No. Pin Name I/O Function
1DEFI I Input terminal for detect signal of defect
2TAI I Input terminal for test.
3PDO O The phase comparison output terminal for
external VCO control.
4VVSS - Ground terminal for built-in VCO
5ISET I Resistance connection terminal for
electric current adjustment of PDO output.
6VVDD - Built-in VCO power supply terminal.
7FRIVCO frequency range adjustment.
8VSS - Ground for Digital
9EFMO O EFM signal output terminal for slice level control.
10 EFMIN I EFM signal input terminal for slice level control.
11 TEST2 I TEST pin. Normal time is non connection.
12 CLV+ O Output terminal for Disc motor control.
13 CLV- O Output terminal for Disc motor control.
14 V/P O Change of rough servo / phase control
Rough servo : "H", Phase control : "L"
15 HFL I Input terminal of track search signal.
16 TES I Input terminal of tracking error signal.
17 TOFF O Output terminal of tracking off.
18 TGLOOutput terminal for change of tracking gain.
19 JP+ O Output terminal for tracking jump control.
20 JP- O Output terminal for tracking jump control.
21 PCK O Clock monitor output terminal for EFM data
playback. (4.3218 MHz)
22 FSEQ O Output terminal for detect of SYNC signal.
23 DVDD - +5V
24 CONT1 I/O
25 CONT2 I/O This output can control at serial control from
26 CONT3 I/O micro processor.
27 CONT4 I/O
28 CONT5 I/O
29 EMPH O Output terminal of de-emphasis monitor .
"H" : de-emphasis
30 C2F O Output terminal of C2 flag
31 DOUT O Output terminal of digital out

- 11 -
IC BLOCK DIAGRAM & DESCRIPTION
IC904 LC1641 (Motor Driver)
123456 789 10 11 12
131415161718192021222324
Vcc Vref VIN4 VG4 Vo8 Vo7 GND Vo6 Vo5 VG3 VIN3 CD RES
Vcc Mute VIN1 VG1 Vo1 Vo2 GND Vo3 Vo4 VG2 VIN2 Reg OUT Reg IN
Vcc
11k Ω11k Ω
11k Ω11k Ω
Level
Sift BTL Driver BTL Driver Level Sift RESET
Regulator
Level
Sift
BTL
Driver
Level
Sift BTL Driver
1
PRE-
DRIVE
INPUT LOGIC CIRCUIT
5
4
6
10 97
2
8
3
GND
IN1
OUT1P1 VCC2 OUT2 P2
VZ
VCC
IN2
Input Output Action
Brake
Normal(Reverse)Rotary
Reverse(Normal)Rotary
Brake
IN1
0
1
0
1
IN2
0
0
1
1
OUT1
0
1
0
0
OUT2
0
0
1
0
IC903 LC6541D (4 ch. Bridge CD Driver)
1
2
4
3
11
+
ñ
IN
Predriver Power
13
12
Predriver Power
Loadshort
protector
Overvoltage/
surgeprotector
Outputpin-to-GND
shortprotector
Outputpin-to-V CC
shortprotector
Thermal
shutdown
Standby
SW
BIAS
circuit
Ripple
filter
Popnoise
prevention
circuit
VCC
6
5
8
+
ñ
IN
Predriver Power
9
10
Predriver Power
Loadshort
protector Power
GND2
Outputpin-to-GND
shortprotector
Outputpin-to-V CC
shortprotector
7
14
IC301 LA4725 ( Power)

- 13 -- 12 -
This is a basic schematic diagram.
SCHEMATIC DIAGRAM (MAIN)

- 15 -- 14 -
WIRING DIAGRAM (CD MAIN, CD DOOR SW, LED1, LED2 and AUDIO)
CD MAIN
CD DOOR SW
LED2 LED1
AUDIO

- 16 -
WIRING DIAGRAM (DISPLAY and PHONE & REMOTE )
PHONE & REMOTE
DISPLAY

SANYO Electric Co., Ltd.
OSAKA, JAPAN
Apr./ '03 BB Printed in Japan
WIRING CONNECTION
This is a basic wiring connection .

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Service Manuals, Schematic Diagram, Repair