Sanyo MAJ-R70/AU User manual

MAJ-R70/AU
Service Manual
REFERENCE No. SM0936003
Micro CD Hi-Fi System
FILE NO.
PRODUCT CODE No.
112973910
Main unit:
CD player
Type: 2-channel stereo
Pick-up: Optical 3-beam semiconductor laser
Laser output: 0.6mW (Maximum continuous wave)
Wave length: 790nm
Wow/Flutter: Below measurable limits
Tuner
Reception freguency:
AM: 522~1,620KHz (9KHz steps)
FM: 87.5~108.0MHz
General
Output Power: 10 W X 2(at 8 ohms, 10% distortion)
Inputs
LINE In: 500mV/50KΩ
USB: For USB memory device
CARD: For SD/MMC card
Outputs
SPEAKERS: 8 ohms
PHONES: 32 ohms
Power requirment: AC 240V 50Hz
Power consumption: 40W
Dimensions: 170(W) x272(D) x172(H) mm
Weight: 2.5kg
Specications
Speaker systems:
Type: Wooden speaker boxes
Unit used: 2 way 4 speaker
Maximum power- handling capacity:
10W (RMS)
Nominal impedance: 8ohms
Dimensions: 155(W) x194(D) x210(H) mm
Weight: 1.5Kg/speaker
Sub-woofer systems:
Maximum power- handling capacity:
20W (peak)
Nominal impedance: 4ohms
Dimensions: 170(W) x25(D) x172(H) mm
Weight: 3.3Kg
Specications subject to change without notice

TABLE OF CONTENTS
1
Exploded View (Packing & Accessories ).......................................................................................................... 2
Exploded Vies(Cabinet & Chassis)............................................................................................................ 3
Parts list ........................................................................................................................... 4-6
Schematic Diagram ......................................................................................................................... 7-18

EXPLODED VIEW(PACKING & ACCESSORIES)
PARTS LIST
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 BE
OF SPECIAL SIGNIFICANCE.WHEN REPLACING A COMPONENT IDENTIFIED BY ,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.LEAKAGECURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE
THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT
TO THE CUSTOMR.
PRODUCT SAFETY NOTICE
2
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PACKING & ACCESSORIES
REF NO. PART NO. DESCRIPTION QTY REMARK
1 LY8293460DB00 CARTON MCD-3460HEQ "SANYO" 1 KIT
2 LY8823460TBG00 POLY FOAM MCD-3460HEQ T/B SANYO 1 KIT(FOR UNIT/SP.BOX/SUB)
3 LY1363260M0000 WOOFER WOODEN BOX MCD-3260 1
4 LY880160200L00 POLYBAG 16x20x0.04mm W/HOLE
"W/Recycle Mark 4
5 LY135D50301B01 SPEAKER BOX DVD-5030H/MCD-5030H 8ohm Black/Silver
Cap 15Wx2 LxWxH=155x210x194mm 1 KIT
6 LY820346000000 I/B MCD-3460 1
7 LY880105160L00 POLYBAG 10(1/2)x16x0.04mm W/HOLE "W/Recycle Mark 1
8 LY745343000P00 MECHANIC MCD-3430EN ANTENNA BRACKET 1
9 LY880080130L00 POLYBAG 8x13x0.04mm W/ HOLE W/Recycle Mark 1
10 LY083346000080 REMOTE HANDSET MCD-3460HEQ 1 KIT
11 LY880030085L00 POLYBAG 3x8(1/2)x0.04mm W/HOLE W/Recycle Mark 1

EXPLODED VIEW(CABINET & CHASSIS)
3

PARTS LIST
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 BE
OF SPECIAL SIGNIFICANCE.WHEN REPLACING A COMPONENT IDENTIFIED BY ,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.LEAKAGECURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE
THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT
TO THE CUSTOMR.
PRODUCT SAFETY NOTICE
4
CABINET & CHASSIS
REF
NO. PART NO. DESCRIPTION QTY REMARK
1 LY75034300A000 MECHANIC MCD-3430
VOLUME KNOB
1 ABS
2 LY78234300H000 MECHANIC MCD-3430
DECORATION RING
1 HIPS
3 LY54634300M000 MECHANIC MCD-3430
FRONT LENS
1 PMMA
4 LY45934300H000 MECHANIC MCD-3430
USB FRONT KNOB
COVER
1 HIPS
5 LYCAB129739100 ASSY FORNT
CABINET
1
6 LY17923000B000 SCREW PLATE
MTS-2300
6
7 LY7753430BH000 MECHANIC MCD-3430
BRACKET
1 HIPS
8 LY74234300H000 MECHANIC MCD-3430
PCB BRACKET
1 HIPS
9 LYKNO129739100 ASSY POWER KNOB
MECHANIC MCD-3430
1
10 LY57634300A000 MECHANIC MCD-3430
FUNCTION KNOB
1 ABS
11 LY77034300H000 MECHANIC MCD-3430
USB BRACKET
1 HIPS
12 LY46934300M000 MECHANIC MCD-3430
VOLUME KNOB LENS
1 PMMA
13 LY74634300H000 MECHANIC MCD-3430
LAMP BRACKET
1 HIPS
14 LY139RF5000TB0 MOTOR RF-
500TB-14415
1
15 LY58061300A000 MECHANIC MCD-6130
GEAR BRACKET
1 ABS
16 LY57961300A000 MECHANIC MCD-6130
MOTOR WHEEL
1 ABS
17 LY5786130BA000 MECHANIC MCD-6130
GEAR (B)
1 ABS
18 LY5786130CA000 MECHANIC MCD-6130
GEAR (C)
1 ABS
19 LY5786130AA000 MECHANIC MCD-6130
GEAR (A)
1 ABS
20 LY68732600A000 MECHANIC MCD-3260
OPEN KNOB
1 ABS
21 LY07401119FLSA Leaf Switch MSW-
0025N (LSA-1119F)
1
22 LY4503260AA000 MECHANIC MCD-3260
CD TRAY
1 ABS
23 LYCAB129739101 ASSY CD DOOR 1
24 LY4003260BH000 MECHANIC MCD-3260
CD REAR CABINET (B)
1 HIPS
25 LY4593260BH000 MECHANIC MCD-3260
BACK COVER
1 HIPS
26 LY3483260C0000 PVC PLATE
21.8x16.8x0.3mm
W/Adhesive Tape
MCD-3260
1
27 LY4003260AH000 MECHANIC MCD-3260
BACK CABINET
1 HIPS
28 LY148346573526 EI-57x35 240V:26V
Fuse 125c W/Bracket
MCD-3460HEQ
1
29 LY214140060EB0 RUBBER FOOT d14 x
6 BLACK W/ADHESIVE
TAPE
4
30 LY21000B658G20 CUSHION GREEN 2
31 LY210000658R10 CUSHION RED 2
32 LY24906505ADCG LINE CORD SAA
APPROVED 6.5FT
VDE H03VVH2-F
2x0.75mm2 NEW
SQUARE
2 FOR UNIT
AND SUB-
WOOFER
Y1 LY2700T2610M30 SCREW T2.6 x 10 PA
(M3)
4
Y2 LY2700M3010KHB SCREW M3 x 10 KH
BLACK
6
Y3 LY270TW3008PA0 SCREW TWA3 x 8 PA 5
Y4 LY2700T3010KAB SCREW T3 x 10 KA
BLACK
5
Y5 LY2700T3010PA0 SCREW T3 x 10 PA 12
Y6 LY2700W3511BAB SCREW W3.5 x 11 BA
Black
4
Y7 LY2700T3012BAB SCREW T3 x 12 BA
BLACK
6
Y8 LY2700T3012KAB SCREW T3 x 12 KA
BLACK
9
Y9 LY271TW26161T0 SCREW TWA 2.6 x 16
BT d10mm
4
Y10 LY2700T2010BA0 SCREW T2 x 10 BA 1
Y11 LY2700M2605PH0 SCREW M2.6 x 5 PH 2
Y12 LY270TW2608090 SCREW TWA2.6 x 8
PA9 d8.5mm
2
Y13 LY2700T2608PA0 SCREW T2.6 x 8 PA 4
Y14 LY270TW3006060 SCREW TWA3 x 6 PA
d6mm
1
Y15 LY2700T3014BH0 SCREW T3 x 14 BH 1
Y16 LY270TW3014BAB SCREW TWA3 x 14 BA
BLACK
2
Y17 LY2700T3008PA0 SCREW T3 x 8 PA 1
Y18 LY270TW3010090 SCREW TWA3 x 10 BA
d=9mm
5
Y19 LY2700T3010BA0 SCREW T3 x 10 BA 27

5
REF
NO. PART NO. DESCRIPTION QTY REMARK
ELECTRICAL-PARTS
REF
NO. PART NO. DESCRIPTION QTY REMARK
LY250220300UB1 JUMPER WIRE
AWG#22 300 MM UL
BLACK
2 RECTIFIER
PCB GND TO
USB PCB GND
LY250221400041 JUMPER WIRE
UL #22 1400mm
(4+0mm) Black
1 FM ANT.
LY262360020230 Housing 2.5mm
Pitch W/Jumper Wire
2Pins #22 200mmX2
PCD-3600-03
1 RECTIFIER
CN602 TO
MAIN CN108
LY250280230UB1 JUMPER WIRE
AWG#28 230 MM
UL1571 BLACK
1 CD SW TO CD
DOOR SW
LY263050300U26 Housing 2mm Pitch
W/Jumper Wire
UL1007 #26 5Pins
300mmX5
1 CN504 TO
CD DOOR
SW&DOOR
MOTOR
LY263060160U28 HOUSING 2mm
PITCH TWO
HOUSING W/FLAT
CABLE UL20080 #28
6PINS 160mmX6
1 CN505 TO CD
DECK
LY26116P000090 F.F CABLE 16PIN
90mm SPBNCD-
P=1.0-K1-16-82 4/10
LUL(UL-20624)
1 CN501 TO CD
PICK UP
LY26003P128220 CONNECTOR PIN
3PIN x 4+120+4mm
#26 2mm
1 CN414 TO
CN413
LY262020400UJ0 HOUSING 2.5mm
PITCH W/JUMPER
WIRE UL1007 #26
2PINS 4000mmX2
1 AM ANT.
LY263030100U26 HOUSING 2mm
PITCH W/JUMPER
WIRE 3PINS UL1007
#26 100mmX3
1 VOLUME TO
CN403
LY263020150U28 Housing 2mm Pitch
W/Flat Cable UL2651
#28 2Pins 150mmX2
2 KEY CN402
TO CD DOOR
CN412, KEY
CN404 TO LED
CN411
LY263030240U28 Housing 2mm Pitch
W/Flat Cable UL2651
#28 3Pins 240mmX3
1 KEY CN405
TO CD PCB
CN116
LY263100130U28 Housing 2mm
Pitch W/Flat Cable
UL2651 #28 10Pins
130mmX10
1 KEY CN401
TO CD PCB
CN511
LY262020150U22 HOUSING 2.5mm
PITCH W/JUMPER
WIRE UL1007 #22
2PINS 150mmX2
1 AMP CN603
TO RECTIFIER
CN601
LY2622T1030260 Housing 2.5mm
Pitch W/Jumper Wire
3Pins #22 200mmx3
TPM-2001-06
1 AMP CN606
TO MAIN
CN109
LY262060320U26 HOUSING 2.5mm
PITCH W/JUMPER
WIRE UL1007 #26
6PINS 320mmX6
1 PHONE CN409
TO MAIN PCB
CN110
LY263060280U28 Housing 2mm Pitch
W/Shield Wire
UL2547 2c 3Core
#28 6Pins 280mmX6
1 PHONE CN410
TO MAIN PCB
CN113
LY190032100010 METAL WASHER
3.2 x 10 x1
2 FOR PHONE
PCB JUMPER
WIRE
LY263030150U28 Housing 2mm Pitch
W/Shield Wire
UL2547 2c 3Core
#28 3Pins 150mmX3
1 MAIN CN107
TO CD PCB
CN507
LY263030220U28 Housing 2mm
Pitch W/Shield
Wire UL2547 #28
2c 3Core 3Pins
220mmX3
1 MAIN CN106
TO CD PCB
CN502
LY263050190U28 Housing 2mm Pitch
W/Flat Cable UL2651
#28 5Pins 190mmX5
2 MAIN CN112
TO CD PCB
CN508,MAIN
CN102 TO
CN503
LY263060080U28 Housing 2mm Pitch
W/Flat Cable UL2651
#28 6Pins 80mmX6
1 MAIN CN105
TO CD PCB
CN506
LY263050300U30 Housing 2mm
Pitch 5Pins W/
Double Shield Wire
UL2547#30 2c 3Core
3Pins 300mmX3
& Jumper Wire
UL1007#26 2Pins
300mmx2
1 MAIN CN104
TO AMP
CN605
LY263140180U28 Housing 2mm
Pitch W/Flat Cable
UL2651 #28 14Pins
180mmX14
1 USB CP801
TO CD PCB
CN510
LY051F1609280D TOROIDAL
CORES:
F1609280D
MCD-0318
"WATSON"
1FOR USB
PCB WIRE
LY263SUB050321 HOUSING 2mm
PITCH W/SHIELD
WIRE UL2854 #30
4C 5CORE 5PINS
320mmX5 SUB-
WOOFER-01
1 SUB-
WOOFER
CN602 TO
CN601
LY250260120UB1 JUMPER WIRE
AWG#26 120 MM
UL BLACK
2 Tweeter TO
main speaker
LY250260120UR1 JUMPER WIRE
AWG#26 120 MM
UL RED
2 Tweeter TO
main speaker
LY2512218300R1 Parallel Wire #22
1830mm UL Red &
Black
2 main unit TO
speaker box
CD DECK ASSY
33 LY141DA11B3VZM CD DECK
DA11B3VZ "Sanyo"
1
RECTIFIER PWB ASSY
34 LY3460HEQ01B ASSY RECTIFIER
PCB
1
LY008220000340 Elect. Cap.2200uf
+20 -10% 25V 105c
1 E602
LY008220000350 Elect. Cap. 2200uf
+20 -10% 50V
105c
1 E601

6
MAIN PWB ASSY
35 LY3460HEQMAIN3 ASSY MAIN PCB
MCD-3460HEQ-
MAIN-03
1
LY03500031C130 Transistor HP31C 1 Q107
LY1821700000A0 HEAT SINK (A-2)
PCD-1700
1 FOR
Q107
LY008220000340 Elect. Cap. 2200uf
+20 -10% 25V
1 E132
LY110RCA213R10 RCA JACK RCA-
213F-010 RED &
WHITE
1CN1
LY110MSP241010 RCA JACK MSP-
241V-01
SUBWOOFER
1 CN4
LY137WP4070040 SPEAKER
TERMINAL
WP-407-040 (Red
& Black) MCD-3260
1 FOR JK5
AMP PWB ASSY
36 LY3460HEQ01A ASSY AMP PCB
MCD-3460HEQ-01A
1
LY008220000340 Elect. Cap.2200uf +20
-10% 25V 105c
2 E610,E612
LY008220000350 Elect. Cap. 2200uf
+20 -10% 50V
105c
1 E603
LY04000455800D IC D4558 (SOP-8) A 1 IC601
LY182346000000 HEAT SINK
MCD-3460 10W
1 FOR
IC601
USB PWB ASSY
37 LY3430EQUSB06 ASSY USB PCB
MCD-3430EQ.
USB-06
1
LY110000USB000 USB SOCKET TYPE
A 184-0004100-61
1 JK801
LY110P7S021P18 2 IN 1 CONNECTOR
P7S021P18
1 JK802
PHONES PWB ASSY
38 LY3430EQ043C ASSY PHONE PCB
MCD-3430EQ-04-3C
1
LY108003507352 E/H JACK 3.5mm
5pin EJ-3507P-202
(H10)
2 JK401
JK402
KEY PWB ASSY
39 LY3430EQ043A ASSY KEY PCB MCD-
3430EQ-04-3A
1
LY455M328AA000 MECHANIC
MCD-0328 BACK
LIGHT BRACKET
1 ABS
LY74734300H000 MECHANIC
MCD-3430 REMOTE
BRACKET
1 HIPS
LY0410803LMKSM INFRARED RC
RECEIVER KSM-
803LM (IRM338T)
1 IC402
LY155B02960000 LCD DISPLAY B02960
29PINS MCD-3430EQ
1 LCD401
LY282037016021 WHITE LAMP PAPER
37.6x16x0.2mm
MCD-0328
1
LY456M3280G000 MECHANIC
MCD-0328 BACK
LIGHT LENS
1 GPS
LY7753430AH000 MECHANIC
MCD-3430 POWER
KNOB BRACKET
1 HIPS
LY128346121B50 Volume (Rotary)
MCD-3460 Sub-
Woofer F-122KP B50K
L15FCX5(K)
1 VR601
KEY'S LED PWB ASSY
40 LY3430EQ043B ASSY LED PCB MCD-
3430EQ-04-3B 1
CD PWB ASSY
41 LY3460EQCD05 ASSY CD PCB MCD-
3460EQ-CD-05
1
LY26600024PPH0 PCB Header 2.0mm
Pitch 24Pins
1 FOR U101
LYMCD7130EQ04 ASSY MCU PCB
MCD-7130EQ-04
1 U101
CD DOOR SW PWB ASSY
42 LY3430EQ042D ASSY CD CLOSE SW
PCB MCD-3430EQ-
04-2D
1
CD CLOSE SW PWB ASSY
43 LY3430EQ043G ASSY CD CLOSE
SWITCH PCB MCD-
3430EQ-04-3G

SCHEMATIC DIAGRAM ( MCU )
- 7 - - 8 -

SCHEMATIC DIAGRAM (SUB-WOOFER)
- 9 - - 10 -

SCHEMATIC DIAGRAM ( MAIN )
- 11 - - 12 -

- 15 - - 16 -
SCHEMATIC DIAGRAM ( CD )
- 13 - - 14 -

SCHEMATIC DIAGRAM ( USB & KEY & PHONE )
- 15 - - 16 -
86%&$5'%2$5'
.(<%2$5'

SCHEMATIC DIAGRAM ( RECTIFIER & AMP ）
SANYO Electric Co., Ltd.
Osaka, Japan
- 17 - - 18 -
NOV/ ' 08
$03%2$5'