Yamaha MDX-9 Service Manual Page 43
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Rated. / 5. Based on customer reviews
ABCDEFGH
1
2
3
4
5
6
IJK
7
8
NDX-596
■ SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
10
16
30
17
18
19
22
23
24
25
21
27
28
31
29
20
26
32
33
14
15
12
13
TP1630
TP1303
TP1130
TP1415
TP1213
TP1136
TP1422
TP1421
TP1420
TP1451
TP1402
TP1403
TP1406
TP1407
TP1408
TP1410
TP1413
TP1412
TP1411
TP1404
TP1401
TP1409
TP1405
TP1607
TP1800
TP1801
TP1700
TP1701
TP1606
TP1218
TP1135
TP1211
TP1214
TP1131
TP1133
TP1254
TP1253
TP1252
TP1251
TP1250
48
TP1330
TP1513
TP1514
TP1515
TP1516
TP1517
TP1518
TP1501
TP1502
TP1503
TP1504
TP1505
TP1506
TP1507
TP1508
TP1510
TP1509
TP1511
TP1512
TP1520
TP1522
TP1521
TP1523
TP1525
TP1526
TP1524
TP1519
TP1604
TP1605
TP1542
TP1541
TP1706
TP1704
TP1705
TP1414
TP1703
TP1215
TP1217
TP1216
TP1601
TP1600
TP1400
TP1602
TP1603
TP1543
TP1302
CN1300
TP1300
TP1301
TP1210
TP1103
TP1116
TP1702
TP1112
TP1117
TP1118
TP1119
TP1105
TP1106
TP1107
TP1108
TP1109
TP1115
TP1110
TP1111
TP1113
TP1123
TP1122
TP1121
TP1120
TP1104
TP1102
TP1101
TP1100
TP1212
TP1207
TP1209
TP1206
TP1208
TP1205
TP1201
TP1203
TP1204
TP1202
SLDRF
FODRF
TRDRF
SPDRF
SPDRF
SLDRF
TRDRF
FODRF
XRST
MCCK
SBO
SBSY
SFSY
FOK
DSENSE
CIN
DINT
SYD0
SYD1
SYD2
SYD3
SYD4
SYD5
SYD6
SYD7
SYWR
SYRD
SYRS
SBCK
SLDRR
SPDRR
TRDRR
FODRR
DSENSE
STID
SYD4
SYD5
SYD6
SYD7
SYWR
SYRD
SYRS
FOK
SBCK
SBO
DSCK
MDDATA
KDATA
DSTB
DISC
TRDRR
A8
A7
A5
A4
A6
A9
A3
A2
SGAIN
DISC
DTEMP
DADATA
ADDATA
BCLK
LRCK
A9
A8
A7
A6
A5
A4
A0
A1
A2
A3
L3DATA
L3CLK
L3MODE
LOADIN
SLDRR
SPDRR
FODRR
FN
FP
TP
TN
STID
DSTB
MDDATA
DSCK
KDATA
SERCH
RESET
LOADIN
DADATA
ADDATA
DFCK
FN
TP
DFCK
LDON
LDVAR
3.2V
2.6V
3.2V
VREF
AVCC2
G1
S2
S2
HFON
VSSA
VDDA
VINL
VREFA
VINR
VADCN
VADCP
MP1
VDDD
VSSD
MP4
BCK
WS
DATAO
DATAI
MP5
MC2
AVSS
AVDD
VOUTR
VDDO
MC1
MP2
MP3
SYSCLK
VSSO
VREFD
VOUTL
P/R
LAST
A2
CRTRG SW
SLOT5
FRASH H
DSENSE
64M
SBCK
SFSY
SBO
DIN
FLASH L
PCONT0
DIGOUT
GND
A/B
CW1903
S1
S1
D1
D2
G2
G2
D2
D1
S
G1
AVCK3
VREF3.2V
T+T-
L3CLK
L3MODE
ADJS
EFMO-I
EFMO-I
WBO-I
BOUT-IN
AOUT-IN
TCG
FOUT-IN
EOUT-IN
FOUT-IN
EOUT-IN
BOUT-IN
AOUT-IN
TCG
WBO-I
DISC
DTEMP
VREF
VREF
FIN
EIN
BIN
AIN
RF3
RF4
RF1
RF2
TRY+
X700KO
EFMO
SPDRR
SPDRF
SLDRR
SLDRF
TRDRR
TRDRF
FODRR
RAA7
VDD1
FEMON
DADATA
ADDATA
DFCK
VXI
CDBCLK
CDLRCK
CDDATA
DGND
PLLBVC
DOUT
DIN
DIN2
DILOCK
TEST1
TEST0
SYD6
SYD5
TCRS
EFMMON
SYRS
SYRDX
SYD7
XO
DGND
VPD
SBSY
SBO
SBCK
TEMON
TOTMON
DGND
VDD2
SENSE
FOK
MCCK
COUT
DINTX
SFSY
AVCC1
EFMI
AGND1
TCG
WBI
DGND
RAA4
RAA5
RAA8
RAOEX
RACASX
RAD2
RAA3
RAA2
ACRCER
PLCK
RAA10
RAA11
VDD1
DGND
RARASX
RAD0
FODRF
VDD2
RAD1
WP
SCL
A0
SDA
VCC
A1
VSS
MAGNET HEAD
(RECORD)
RESET
MD-ST
LOAD SW
DSCK
SERCH
D.GND
DVDD
F+F-
SLD+
SLD-
SP+
SP-
TRY-
F+F-T+T-
F+F-T+T-
R/P
R/P
R/P
HDON
MINF
EFMO
HDON
D.GND
VREF3.2V
INNSW
LD+
LD-
P.GND
LD-
LD+
LEAD IN
LOADING
MINF
LEAD IN
GND
LOADING
MINF
PCNT0
PCNT0
MINF
R/P
HDON
R/P
LOADING
VREF3.2V
LD+
DINT
RAST
C/N
5/3
TEST1
GND
EEPD
GND
MUTE
FOK
SYSD0
SYSD1
SYWR
SYRS
SYRD
INNER
LD-
VCC
DFS1
DFS0
SEACH OUT
STID OUT
CNVSS
BYTE
PCNT0
LDON
DAPON
SBSY
SYSD4
SYSD5
SYSD6
SYSD7
VREF
AVCC
MCCK
ST-ID
SERCH
CIN
SGAIN
UNLOCK
TEST2
MDRSW
XRST
KDATA
EEPK
AVCK2
LDVAR
TESTK1
AVCK1
TEST-K
SYSD2
SYSD3
MDDATA
DSCK
TEST0
MINF
HDON
R/P
ADMUT
DSTB
CDB SEL
VSS
VCC
RESET
EEPRO
BACKUP
PDOWN
DOUT
BACKUP
UCON3.2V
BACKUP
BACKUP
PDOWN
4M/16M
I/O1
GND
OE
VCC
RAS
A2
A3
A5
CAS
A1
I/O2
A6
I/O4
A8
A4
A9
WE
A7
A0
I/O3
AA.GND
AA.GND
AA.GND
AA.GND
AVCC
R OUT
L OUT
AD.GND
L IN
AA.GND
R IN
AGC
ESW
BOUT
MODE
SW
EFMAGC
ASW
BSW
FSW
TCGO
OPICPW
VCC2
WBO
GND2
ADIPNF
ADAGI
DCNF
VCC1
BIAS
GND1
NIN
PITG
3+4
PIN
1+2
1234
AOUT
BOUT
EOUT
DTEMP
DISC
BPF
R
and
SW
DIFF
ADIP AGC
BIAS
RF1
RF2
REFI
REFO
RFADD
TCGI
AIN
BIN
EIN
FOUT
EOUT
AOUT
ADIPO
ADAGC
EFMO
1.25V
CH3IN
OUT3
IN3-
VBS2
Vm2
IN3+
NC
GND
VM3+
VM3-
VM4-
VM4+
VM5+
VM5-
OUT5
IN5-
IN5+
IN4+
IN4-
OUT4
VREF
SS.GND
MUTE2
MUTE1
IN2+
IN2-
OUT2
VM2-
VM2+
GND
VM1+
VM1-
OUT1
IN1-
VBS1
IN1+
REGB
REG+
+
-
GND
GND
GND
VCC
47 46 45 44 43 42 41 40 39 38 37
36
35
34
33
32
31
30
29
27
26
25
242322212019181716151413
12
11
10
9
8
7
6
5
4
3
2
1
28
SGAIN
FIN
RF4
RF3
TN
FP
12
1
2
3456789
10111213141516171819
20
2122232425262728
123456789
10111213141516171819
20
2122232425262728
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
6
1
2
3
4
5
6
1
2
5 4 3
1
1 2 3 4 5 6 7
1
2
3
4
8
30
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51
5
4
2
13
3
2
1
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
828384858687888990919293949596979899
100
81
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
7
6
5
14 13 12 11 10
9 8
2
3
4
8
7
6
5
2
2
1
1 5
4
3
1
2
3
4
5
7
6
8
9
10
11
12
13
14
15
16
17
18
19
20
21 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
VREFO
SGAIN
P-DOWN
SLOT1
SLOT2
SLOT3
SLOT4
L3DATA
A0
A1
11 12 13 14 15 16 17 18 19 20
10
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
27 28 29 30 31 32 33 34 35 36 37
38 39 40 41 42 43 44 45 46 47 48 49 50
52
51
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
767778798081828384858687888990919293949596979899
100
9 8 7 6 5 4 3 2 1
BCLK
LRCK
1
1
2
3
2 3 4 5 6 7 8 9
10 11 12 13
14
28 27 26 25 24 23 22 21 20
19 18 17 16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
DIGIN
KDATA
MDDATA
DSTB
D.GND
D.GND
D.GND
DVDD
RAA0
RAA1
RAA6
RAA9
RAD3
RAWEX
XI
LRCK
BCLK
RSTX
SYD0
SYD1
SYD2
SYD3
SYD4
SYWRX
VBAT
FIN
EIN
BIN
AIN
X176KO
TEST2
8
7
6
5
4
3
2
1
APCIN
LDON
LDVCC
DGND
B
LVVOUT
F.COIL
T.COIL
I/V
I/V
I/V
I/V
SW
APCOUT
DGND
LDVAR
A
COM
RF1
F
E
RF2
RF4
VCC
MP/R
RF3
T-
F-
AGND
F+
T+
DGND
EXT.C
LDOUT
APC
LVV
LDON
GND
VCC
LVVIN
+2.8V
MD PICKUP UNIT
LDVAR
FLEXIBLE
PWB
TP1971
TP1972
TP1975
TP1974
TP1973
TP1945
TP1944
TP1946
TP1943
TP1941
TP1942
+
–
–
+
LEAD IN
LD-
LD+
+
–
MINF
LOADING
GND
CW1931
M
M
M
MD MECHANISM
SWITCH PWB-E1
MD LOADING PWB-E2
1
1
1
1
1
3
3
3
2
2
1
3
3
2
1
2
2
3
3
2
2
2
3
1
CB1
TO MAIN PWB
MD MAIN PWB-C
8
9
11
C1112
5P(CH)
R1114
12K
C1113
1
C1114
0.1
C1115
0.1
C1116
1
C1117
1
R1119
220K
C1119
0.47
C1118
0.47
C1121
0.22
C1123
0.1
C1122
1
R1125
2.2K
R1124
2.2K
R1123
12K
R1122
12K
R1120
270K
C1124
0.22
R1121
39K
R1117
47K
R1118
330K
R1115
330K
R1116
47K
R1113
560K
R1112
82K
R1110
560K
R1111
82K
C1111
1
C1110
1
IC1101
IR3R58M
RF SIGNAL
PROCESSOR
L1100
0.47µH
R1100
27
R1101
1
C1100
4.7
R1102
10K
R1105
1.2K
C1107
0.033
C1125
1
L1101
10µH
CN1101
R1301
10
C1301
0.027
C1300
47P(CH)
D1300
SBE803
IC1301
FTD2005
HEAD DRIVER
IC1302
CPH5608
HEAD DRIVER
R1300
8.2
C1302 10
C1303 1
R1304
150
L1300
4.7µH
R1612
150K
R1614
100K
IC1300
74ACT02T
HEAD DRIVER
C1304
220P
(CH)
R1401
2.7K
D1402
1SS355
IC1402
58X2402T
EEPROM
R1406
10K
R1460
10K
R1463
10K
C1403
0.1
R1600
6.8K
C1601
820P
R1601
6.8K
C1602
820P
R1605
10K
C1603
820P
C1604
820P
R1606
10K
C1607
1
CN1401
C1402
0.022
C1611
0.0056
R1616
10K
C1612
0.0056
R1617
10K
C1610
4.7
C1619
330P(CH)
CN1402
R1618
15K
C1613
0.015
R1624
6.8K
C1655
0.015
R1623
22K
R1622
22K
R1621 6.8K
R1620 15K
C1615 0.015
IC1601
M56788FP
MOTOR DRIVER
C1616
100/10
L1600
1µH
R1405
100K
Q1402
UN2113
Q1403
UN2213
R1461
10K
R1430
10K
R1408
3.3K
R1418
1K
R1417
1K
C1406
680P
C1405
680P
R1415
1K
C1404
0.047
R1414
220K
R1407
3.3K
C1509
100P(CH)
C1506
100P(CH)
R1513
8.2K
R1511
8.2K
R1517
47
R1518
47
R1516
1.8K
R1528
Z2134SC
R1540
Z2134SC
R1515
1.8K
L1502
4.7µH
R1539
120
C1502
330P(CH)
C1501
1
C1503
0.33
L1501
1µH
R1521
120
C1507
0.047
R1527
47K
R1523
47K
R1520
47K
R1533 1K
R1534 1K
R1535 1K
R1536 1K
R1537 220
R1538 220
Q1501
UN2214
R1510
1K
C1505
0.047
R1526
6.8K
R1529
220
R1512
Z2134SC
R1524
Z2134SC
R1532 3.3K
C1802
10
C1803
100/10
C1804
2.2
Q1806
UN221N
R1808
1.8K
Q1803
UN221N
Q1805
2SA1314C
R1805
270
R1803
33K
R1802
56K
R1708
1K
Q1701
UN2213
R1712
27K
Q1702
2SA1162G
R1714
12
R1711
12
C1714
1
C1805
1
IC1801
XC62EP32
REGULATOR
R1231
10K
C1230
1
R1230
10K
C1800
220/4
C1801
10
R1807
27K
R1809
1
R1806
1
Q1804
2SA1242Y
R1804
390
R1811
1
IC1802
XC62FP26P
C1806
1
R1801
270
Q1800
UN2214
Q1801
2SA1162G
Q1802
UN2214
C1411
0.022
R1443
1K
D1401
SB00703Q
R1440
100
C1409
1
R1444
10K
R1441
47K
R1420
1K
R1403
470
C1407
0.047
IC1202
IX2474AF
4MBIT D-RAM
C1203
1
L1202
0.47µH
Q1807
2SD601AR
L1200
4.7µH
L1201
0.47µH
R1716
100K
IC1701
UDA1347T
AD/DA CONVERTER
C1713
0.01
C1709
0.01
C1715
0.1
C1716
47/4
C1741
820P
R1709
39K
R1710
680K
C1712
10/16
C1710
10/16
C1711
47/4
C1708
0.01
R1706
39K
R1707
1M
C1706
0.01
C1705
0.1
C1700
47/4
C1701
47/4
L1701
10µH
L1702
10µH
Q1700
2SD601AR
R1705
820
C1707
1
IC1702
NJM431U
REGULATOR
R1703
1K
R1701
39K
R1702
30K
C1702
0.001
R1704
3.3K
C1750
820P
C1704
47/4
C1703
0.1
R1424
47K
R1435
10K
CN1501
CW1501
R1210
220
C1202
1
R1211
220
C1206
0.1
R1212
47
C1210
22P(CH)
C1207
1
R1215
1M
R1217
150
C1209
12P(CH)
C1208
12P(CH)
XL1201
33.8688MHz
R1222
47K
R1219
47K
R1221
47K
R1214
10K
C1232
0.001
R1209 100
R1232 12K
C1205
1
C1204
0.047
R1208
220
C1201
10
C1211
0.1
C1262
270P(CH)
C1261
270P(CH)
C1266
27P
(CH)
C1263
270P(CH)
C1264
270P(CH)
C1265
270P(CH)
R1265 22K
R1264 22K
R1263 22K
R1262 22K
R1261 22K
R1266 22K
R1200 100K
R1201 100K
R1202 120K
R1203 120K
R1204 82K
R1205 82K
R1206 62K
R1207 62K
C1200
1
IC1201
LR37814
ENDEC/ATRAC
IC1401
IX0324AW
MD SYSTEM
MICROCOMPUTER
CN1931
SW1932
LOADING
SW1933
RECORD
SW1930
WRITE PRO
SW1931
DISC MEDIA
SW1934
PLAY
R1933
270
R1932
120
R1931
560
R1930
390
M903
LOADING
MOTOR
CW1932
CN1932
M902
SLED
MOTOR
M901
SPINDLE
MOTOR
SW1936
LEAD IN
* All voltages are measured with a 10MΩ/DC electric volt meter.
* Components having special characteristics are marked Z and must be
replaced with parts having specifications equal to those originally installed.
* Schematic diagram is subject to change without notice.
E-48/J-46
q to #3 : TEST POINT WAVEFORMS (See page E38/J36)
P-E49/J47
[A-2]
D2
S2
S2
G2
D1
S1
S1
G1
5
6
7
8
4
3
2
1
IC1302 : CPH5608
Head Driver
G1 S G2
D1 D2
1 2
345
IC1301 : FTD2005
Head Driver
IC1701 : UDA1347T
AD Converter & DA Converter
V
DDA(ADC)
V
SSA(ADC)
V
ADCP
V
ADCN
V
ref(A)
VINR
MC1
MC2
MP5
MP2
MP3
MP4
SYSCLK
VOUTR
Vref(D)
V
SSA(DAC)
V
DDA(DAC)
V
SSO
V
DDO
VOUTL
MP1
DATAI
WS
BCK
DATAO
V
SSD
V
DDD
VINL
ADC
0dB/6dB
switch
ADC
DECIMATION FILTER
DC-CANCELLATION FILTER
DIGITAL
INTERFACE
L3-BUS
INTERFACE
DSP FEATURES
INTERPOLATION FILTER
NOISE SHAPER
DAC DAC
UDA1347
2
3
4
5
1 7
8
9
6
12
13
14
15
11
17
18
19
10
16
22
23
24
25
21
27
28
20
26
IC1202 : IX2474AF
4M Bit D-RAM
4
RAS
5
17
15
CAS
A0
A9
WE
DQ0~DQ3
20
V
SS
VBB
17
CAS
Clock Generator
CBR Refresh
Counter
Row Address
Buffer
Memory
Cell
I/O
Selection
Write Clock
Generator
Data Input
Buffer
Data Output
Buffer
Row Address
Buffer
On ChipVBB
Generator
Row Decoder
Column Decoder Sense Amp.
Word Driver
SELF Refresh
Timer
MN42V4400 only
3
OE
16
2
18
19
1
- MINIDISC RECORDER 1
- ■ TO SERVICE PERSONNEL 2
- ■ REAR PANELS 3
- ■ SPECIFICATIONS 4
- ■ DISASSEMBLY PROCEDURES 5
- ■ INTERNAL VIEW 5
- Magnetic Head 6
- Leaf Spring 6
- MD Mechanism 6
- Spindle Motor 7
- ■ ADJUSTMENT & TEST MODE 8
- [ TEMP ❍ ❍ ◆ ◆ ] 11
- [ TEMP 7A 79 ] 11
- Push down with a finger 14
- MECHANISM ADJUSTMENT 15
- EEPROM CONTENTS LIST 17
- ■ SPECIAL TEST MODE 18
- ■ ERROR DISPLAY 19
- Mechanism Error 20
- ■ TROUBLESHOOTING 21
- ■ IC DATA 26
- IC1101 : IR3R58M 27
- RF Signal Processing 27
- IC1201 : LR37814 27
- ATRAC Encoder/Decoder 27
- IC1202 : IX2474AF 30
- 4M Bit D-RAM 30
- IC1402 : 58X2402T 30
- IC1401 : iX0324AW 31
- MD System Microprocessor 31
- IC1701 : UDA1347T 33
- AD Converter/DA Convereter 33
- IC6 : M30622M8-xxxFP 34
- Main System Microprocessor 34
- ■ BLOCK DIAGRAM (MD) 36
- ■ BLOCK DIAGRAM 37
- ■ TEST POINT WAVEFORM 38
- ■ PRINTED CIRCUIT BOARD 39
- MAIN (1) P.C.B 40
- MAIN (6) P.C.B 41
- MAIN (5) P.C.B 41
- ■ MD VOLTAGES 42
- MD MAIN PWB-C 43
- E-49/J-47 44
- FL DRIVER 45
- REMOTE CONTROL TRANSMITTER 46
- PARTS LIST 47
- P.C.B. MAIN 48
- P.C.B. MD MAIN 50
- P.C.B. MD MAIN CHIP RESISTORS 52
- EXPLODED VIEW 53
- MECHANICAL PARTS 54
- New Parts 56
- GREASE APPLICATION DIAGRAM 57
- 1/4W Type 58
- 1/6W Type 58
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