Sanyo DCMM-7000 Service manual
FILE NO.
Service Manual
Micro Component System
DC-MM7000
(XE)
PRODUCT CODE No.
129 686 01
Laser beam safety precaution .......................................... 1
Tape adjustments ............................................................ 1
Tuner adjustments ........................................................... 2
CD pick-up maintenance .................................................. 2
Exploded view
(Cabinet & Chassis) ...................................................... 3
Parts list ........................................................................... 4
Exploded view & Parts list
(Tape mechanism) ........................................................ 8
(CD mechanism) ........................................................... 9
IC block diagram & description ........................................ 10
FL display description ...................................................... 16
Schematic diagram
(FRONT) ....................................................................... 18
This service manual consists of "DC-MM7000U/XE" (Main unit : 129 685 01),
" SX-MM7000L/XE" (Speaker system : 165 098 01) & "SX-MM7000R/XE" (Speaker system : 165 106 01)
(CD)...............................................................................20
(AMPLIFIER & MICON) ................................................ 24
(TUNER) ....................................................................... 28
(D-AMP) ........................................................................ 32
Wiring diagram
(VOLUME)..................................................................... 17
(FRONT) ....................................................................... 17
(CD)...............................................................................22
(POWER TRANSFORMER) ......................................... 23
(AMPLIFIER & MICON) ................................................ 26
(TUNER) ....................................................................... 30
(D-AMP) Parts side view ............................................. 33
(D-AMP) Pattern side view ..........................................34
Wiring connection ............................................................ 35
REFERENCE No.
SM5810579
SCHEMATIC DIAGRAM (FRONT)
CN601
FL1
FL2
VEE
FL_CLK
FL_DAT
KEY0
KEY1
FL_STB
IR
ST_BY
JOG+
JOG-
GND
VDD
CN602
+5.6
LED1
LED2
JOG-
JOG+
GND
0.01
C6201
1
LED1
LED2
2
LED3
3
14
13
12
11
10
9
8
7
6
5
4
3
2
1
6
5
4
3
2
1
D6201
1SS133
L6201
10/K
1SS133
D6110
82K
R6202
150P
C6101
150P
C6102
R6150 R6157
390 2.7K
LED4
4
OSC
5
D_OUT
6
DAT
7
CLK
8
STB
9
NC
10
NC P8
11
150P
C6103
C6204
100U/10
R6152
R6151
470
680
G1
44 43 42 41 40 39 38 37 36 35 34
G1G2G3G4G5G6G7G8G9
VSS
VDD
IC601
PTC6315
VSS
VDD
P17
P16
P15
P14
P13
P12
P11
P12
P11
P10
P10
12 13 14 15 16 17 18 19 20 21 22
P17
P16
P15
P14
P13
0.01
C6203
R6154 R6155 R6156
R6153
820
1K 1.2K 1.8K
G10
VEE
C6312
33
NC
32
P1
31
30
P2
29
P3
28
P4
27
P5
26
P6
25
P7P7
24
23
P9
P9 G9
1000P
G10
P1
P2
P3
P4
P5
P6
P7
P8
C6311
47/50
C6313
1000P
C6314
47/50
F2
P2
P3
P4
P5
P6
P7
P8
P17
P16
P15
P14
P13
P12
P11
P10
KRC107M
Q6302
P9
R6325
150
P1
56K
R6320
Q6303
NC
NC
KRC107M
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
F2
G8
G7
G6
G5
G4
G3
G2
FL601
4G
5G
6G
7G
8G
9G
10G
G9G8G7G6G5G4G3G2G1
G10
D6322
RED_LED
(ST_BY_LED)
3G
2G
1G
F1
F1
124567891011121316171819202122232425262728293031323435 1415
100K
47/50
R6313
C6316
1000P
C6315
This is a basic schematic diagram.
C6121
100P
C6120
100P
S6110
S6111
CLOCK/TIMER
R6550
390
S6511
S6510
POWER
S6112
SOUND PRESET
BASS_EXPANDER
R6552
R6551
470
S6512
MEMORY
TUNER_PRESET
LED2
S6114
S6113
CD[OPEN/CLOSE]
R6553
820
680
S6514
S6513
FM_MODE
STOP
S6115
REC/PAUSE
R6554 R6555 R6556
TUNER/BAND
S6116
1K 1.2K 1.8K
S6516
S6515
REW/BACK/TUN-
S6118
S6117
FWD_PLAY
CD_PLAY/PAUSE
S6517
REVS-MODE/RANDOM
FF/FWD/TUN+
REVS_PLAY/REPEAT
45 1
+5.6V
LED1
LED2
CN640
123
SE601
TO AMP SEC.
JOGJOG+
GND
C6205
100/10
-1 -2
S6401
JOG
390
390
390
R6401
390
390
R6402
000
R6403
390
D6401
R6404
000
Q6402Q6401
R6405
390
D6402
000000
R6406
000
R6407
D6403
390
R6408
000
D6404
100P
D6405
1SS133
C6401
123
1K
R6412
10K
R6410
1K
R6411
10K
R6409
C6403
C6402
0.047
0.047
2
3
4
5
6
- 19 -- 18 -
SCHEMATIC DIAGRAM (CD)
10
R1302
100
R1301
4.3
VREF
PICK UP
DT11T3CN
COM
E
D
A
B
C
F
GND
LD
LD
SVR
VR
LAND
SHORT
MD
MD
F+
T-
COIL
COIL
T+
FOCUS
TRCKING
F-
SPINDLE MOTOR
M
M
SLED MOTOR
MECHANISM
LOADING
MOTOR
LIMIT SW
BASE
DA11
LIMIT
GND
M
CLOSE
CLOSE SW
OPEN
OPEN SW
VREF
16
C1335
22;50
15
COMMON
E
14
D
13
A
12
B
11
C
10
F
9
GND
8
7
6
5
4
3
2
1
000
R1306
LD
VR
MD
F+
T-
T+
F-
CN111
SP+
SP-
SL+
SL-
SP+
6
SP-
5
SL+
4
SL-
3
LIMIT
2
GND
1
CN113
R1506
M-
M-
1
M+
M+
2
R1507
4.7K
CLOSE
3
GND
GND
4
OPEN
5
Q1301
4.9
2SB810
3.6
3.6
4.2
1.6
1000P
C1302
82K
R1340
R1342
82K
82K
R1344
82K
R1345
R1346
150K
R1347
150K
C1303
0.22;50
100K
R1303
R1304
6.8K
2.2K
R1305
C1305
330P
C1304
0.033
C1308
0.22;50
3300P
C1341
R1308
27K
C1309
R1309
330
0.047
R1310
15K
0.15
C1310
R1312
6.8K
C1311
0.01
3.9K
R1501
3.3K
R1503
12K
0.01
C1336
C1338
10;50
10;50
C1330
2.5
2.5
4.9
4.9
0.0
0.0
4.8
0.0
VR
PH1
BH1
VCA
REF
TGL
DEF
THLD
FSS
FSC
FSTA
REF
FOFF
SPI
2.2
2.5
3300P
C1316
IN IN
FSS
REFI
VCC2
DRFCEDATCLCLK
CE
FSS
S.DVCC
BH2
GAIN
REF
REF
REF
FOCS
REF
REF
2.2
2.5
R1324
++
DRF
VCC
PH4
REF
DEF
EFBAL
FOSTA
HFL
TOSTA
1413121110987654321
VCC
S.Q.R
REF
SPOF
2.5
R1326 R1325
2.5
D
a
FSTA
GEN
8CM
12CM
SP-
C1318
2.5
1K 56K
C1317
R
FSTA
100P
R1327
Q
56K
0.22;50
R1504
2FREQ
LASER
FSTA
DRF
8/12CM
SLOF
REF
REF
JP
REF
TO
REF
SPD
2.9
2.5
R1328
4.7;50
C1319
C1320
1.5K
VHFL
VDRF
VR+0.3V
STOP
FOADJ
FE1
REF
2.5
SPG
33K
TOADJ
8.2K
C1339
BH1
BAL
BALREF
THLDI
FE
C1315
VC
5V
C1332
0.047
2.5
1.0
TES
0.018
10;50
PH1
TBC
GEN
JP
FE-
2.5
FE
VDD
MUTE
0.01
C1337
0.01
C1331
LF2
2.5
1.0
FE1
RF
REF
STOP
TOSTA
TGLI
THLDI
WCOMP
REF
FSERCH
2.5
0.0
0.0
AGND
MM1469XH
2.5
2.5
VCA
REF
AND
OR
GEN
SP
VDD
0.01
C1301
FIN2
FIN1
TE
100K
R1311
C1313
47;25
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
0.1
TO
2.5
2.5
JP
FD
E
R1313
22K
C1312
1000P
C1334
C1333
0.2
THLDI
LDS
0.0
TGHI
TGLI
LDD
3.6
4.2
2.2
LASER
BPL
-HIST.COMP
SHOCK:WCOMP
REF
TOFF2
REF
TOFF
0.22;50
2.2
VCA
VCA
TGHI
TGLI
REF
VCC1
4.9
4.9
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
1
RFVCC
VPPC
2
REF
3
REF
F
4
REF
TB
5
TE-
6
TE
REF
7
8
TESI
SCH
9
TH
10
TA
11
TD-
12
TD
13
REF
14
15
16
R1314
R1315
22K
FA-
FA
FD-
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
R1320
15K
0.015
C1314
R1318
R1317
1.5K
68K
28 27 26 25 24 23 22 21 20 19 18 17 16 15
-
+
IN
IC103
REG
IN
+---
68P
CQCK
(D-MUTE)
CONT1
0.0
0.0
IC132
0.1
COIN
CONT2
0.01
C1472
OPN/CLS
0.01
C1371
0.0
100P
C1469
SQOUT
(SLED +)
CONT3
0.0
MTZJ4.7B
D1371
0.0
C1373
0.0
100/16
1K
R1464
RWC
(SLED -)
CONT4
0.0
0.0
C1497
0.01
LB1641
0.01
C1457
10;50
C1466
0.0
0.0
4.8
16M
TST11
LC78629E
FSEQ
PCK
4.8
L1451
4.8
REST
IC102
DVDD
4.8
4.8
0.0
10;K
4.7K
R1472
12345678910
C1372
68P
C1471
R1453
2.7K
IC101
DEF
LA9242M
CL
CLK
DAT
CLK
CE
REF
CL
LATCH
DAT
PONRST
CV-
CV+
JP-
SLOF
JP+
SLOFSLOF
OR
SLOF
SLEQ
2.5
2.5
6.8K
22;50
SLD
10K
R1329
TOFF
REF
SL-
2.5
2.5
2.3
2.3
SL+
C1321
3300P
VC
NC
48
0.0
0.0
DEF
THLD
TBC
TBC
47
2.5
2.5
FSC
FSC
46
2.5
2.5
DGND
45
0.0
0.0
SLI
44
43
SLC
2.4
RFS-
2.4
REF
42
RF
41
RFSM
CV+
CV+
40
CV-
CV-
39
SLOF
38
0.0
4.8
HFL
HFL
37
TES
TES
36
TOFF
35
0.0
4.8
TGL
TGL
34
4.8
JP+
JP-
4.8
JP+
33
0.0
0.0
32313029282726252423222120191817
JP-
2.3
2.3
0.0
0.0
R1331
R1330
1SS133 1SS133 1SS133
D1401 D1402 D1403
R1337
6.8K
C1329
4.7;50
R1341
56K
R1338
R1333 R1334
15K 1K
1P
C1322
2.4
1.6
220K
220K
C1326
1000P
330K
R1332
C1451 R1454
0.1 680
C1452
0.1
C1346
33P
C1325
0.01
C1407
C1405
C1481
0.022
470;6.3
10K
R1335
R1336
100P
400mA
PR101
0.01
C1456
100K
R1343
330
Q1401
KTA1273
5.0
5.0
8.0
0.033
C1324
12P
18K
C1323
RF
C1408
100;16
0.01
C1406
8.2
8.0
R1455
R1456
8.4
0.0
0.0
0.0
0.0
1.5
1.5
68K
4.8
4.8
10K
0.0
0.0
2.3
2.3
0.0
0.0
0.0
4.8
C1404
0.0
0.0
0.0
0.0
0.0
0.0
CS
1
TEST1
DEFI
TAI
2
PDO
3
VVSS
4
ISET
5
VVDD
6
FR
7
DVSS
8
EFMO
9
EFMIN
10
TEST2
11
CLV+
12
CLV-
13
V/P
14
HFL
15
TES
16
TOFF
0.0
4.8
4.8
4.8
0.01
C1403
470;10
4.2M
TEST5
JP-
JP+
TGL
0.0
0.0
0.0
0.0
R1473
100K
WRQ
CONT5
15
R1371
(2W)
FSX
EMPH
C1467
68P
SBCK
C2F
PR132
630mA
C1468
SFSY
DOUT
EFLG
SBSY
XVSS
XOUT
XVDD
MUTER
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
MUTEL
0.0
49505152535455565758596061626364
XIN
NC
TEST4
TEST3
32313029282726252423222120191817
0.0
68P
C1470
48
PW
47
0.0
0.0
46
45
44
4.8
4.8
43
0.0
4.7
42
5.1
5.1
41
2.1
2.1
40
0.0
0.0
39
38
2.1
2.1
37
5.1
5.1
36
0.0
4.7
35
0.0
0.0
34
0.0
0.0
33
1K
1K
R1373
R1372
R1461
R1462
R1463
R1475
R1465
X1451
16.93M
C1881
100;6.3
PLAY
68P
C1475
560
560
560
560
560
C1491
0.01
100;16
C1492
C1883
DSP_RESET
CQCK
COIN
SQOUT
RWC
WRQ
DRF
C1773
R1771
10;50
1K
C1496
0.01
D1881
MTZJ5.1B
0.01
D1480
1SS133
C1480
560P
D1601
1A3-I
R1480
C1783
10;50
560K
R1781
1K
R1881
470
C1409
0.1
C1772C1782
1000P1000P
R1783 R1773
100K 100K
DRF
RWC
CQCK
SQOUT
COIN
WRQ
DSP_RESET
CD-L
CD-R
CD-R
A.GND
CD-L
TO FRONT PWB
CN122
1
DRF
2
RWC
3
CQCK
4
SQOUT
5
COIN
6
SW
7
CLOSE
8
WRQ
9
OPEN
10
C2F
11
RESET
12
GND
CN123
1
CD_L
2
A_GND
3
CD_R
4
D_GND
5
+9.4V
A.GND
STOP
CD MECHANISM
CD11FTA
CN114
PRODUCT SAFETY NOTICE
Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol
diagram designated components in which safety and performance can be of special significance. When replacing a component identified by
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 customer.
and mark in the parts list and the schematic
!!
!
!!
!
and , use only
This is a basic schematic diagram.
- 21 -- 20 -
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