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Schematic Diagram - Yamaha MDX-E300 Service Manual

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SCHEMATIC DIAGRAM

1
C1113
1
C1116
1
48
47
46
45
44
43
1234
RF1
1
R
and
2
RF2
2
SW
3
RF3
DIFF
4
RF4
C1110
IC1101
1
REFI
5
IR3R58M
C1111
6
RF SIGNAL
REFO
TP1130
1
AOUT
7
PROCESSOR
R1110
560K
8
BIAS
R1111
ASW
82K
AIN
9
BIN
10
BSW
11
R1112
82K
12
R1113
BOUT
560K
13
14
15
16
17
18
3
R1115
R1116
330K
47K
R1117
47K
3.2V
L1100
0.47µH
30
R/P
C1107
R1105
31
0.033
1.2K
R1101
1
4
4
16
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
CN1101
FLEXIBLE
PWB
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
28
MAGNET HEAD
HEAD DRIVER
R1301
(RECORD)
10
1
1
LDOUT
C1301
5
1
VCC
8
2
2
0.027
EXT.C
GND
2
7
APC
3
6
LDON
LVV
D1300
4
5
SBE803
LDVAR
5 4 3
MD PICKUP UNIT
1
2
MD LOADING PWB-F2
R1930
SW1930
390
WRITE PRO
HEAD DRIVER
CW1931
SW1931
TP1975
R1931
R1932
LOADING
TP1541
LOADING
DISC MEDIA
1
1
560
120
MINF
TP1974
TP1542
MINF
2
2
TP1973
GND
TP1543
C1402
3
3
TP1972
SW1932
LD-
TP1605
0.022
4
4
LOADING
LD+
TP1971
TRY-
5
5
GND
TRY+
6
SW1933
RECORD
SW1934
PLAY
+
M903
M
LOADING
MOTOR
9
MD MECHANISM
SWITCH PWB-F1
7
SW1936
LEAD IN
LEAD IN
CW1932
M902
TP1941
M
1
1
SLED
TP1942
+
2
2
SLD+
MOTOR
TP1946
3
3
SLD-
+
TP1945
4
4
M901
M
TP1943
SP-
SPINDLE
5
5
SP+
TP1602
TP1944
MOTOR
6
6
TP1603
CN1932
10
11
8
8
IC1301 : FTD2005
Head Driver
G2
5
S2
6
S2
7
D2
8
C
D
E
q
#3
to
C1117
TP1131
1
R1119
TP1116
220K
42
41
40
39
38
37
VCC1
EFMAGC
36
C1123
0.1
EFMO-I
ADAGI
EFMO-I
35
AGC
C1121
0.22
ADAGC
34
R1266
22K
ADIPNF
WBO-I
33
R1261
22K
TP1135
R1262
22K
ADIP
AGC
ADIPO
32
R1263
22K
R1264
22K
15
GND2
31
R1265
22K
WBO
BPF
30
C1266
C1122
27P
1
(CH)
VCC2
29
OPICPW
SW
28
R1124
TP1133
2.2K
DISC
DISC
MODE
27
SGAIN
26
R1125
2.2K
DTEMP
25
19
20
21
22
23
24
R1121
39K
C1124
0.22
L1101
10µH
3.2V
R/P
R1420
1K
MINF
R1612
150K
IC1301
R1614
FTD2005
100K
29
L1300
C1407
4.7µH
0.047
7
R1304
150
1
D1
D2
8
EFMO
2
S1
S2
7
1
3
S1
S2
6
2
G1
G2
4
5
3
14 13 12 11 10 9 8
TP1421
4
5
17
R1407
6
3.3K
7
8
1 2 3 4 5 6 7
9
1
D1
G1
5
10
HDON
S
4
11
2
D2G2
3
12
R1300
13
IC1302
8.2
14
CPH5608
C1304
15
220P
12
TP1606
16
(CH)
17
LOADING
18
MINF
D1402
19
1SS355
20
21
IC1402
22
58X2402T
23
DSENSE
EEPROM
24
TP1422
25
26
R1406
1
A0
VCC
8
27
10K
R1417
2
A1
WP
7
28
1K
3
A2
SCL
6
29
5
4
VSS
SDA
30
LEAD IN
C1403
R1463
10K
0.1
R1616
10K
CH3IN
REG+
42
1
R/P
OUT3
REGB
2
+
41
-
SPDRR
IN3-
3
1.25V
IN1+
40
4
VBS2
39
VBS1
5
Vm2
38
C1610
TRDRR
IN1-
6
37
4.7
NC
OUT1
INNSW
7
36
GND
VM1-
TN
C1619
8
IN3+
35
330P(CH)
VM3-
VM1+
TP
C1602
9
34
820P
GND
10
33
VM2+
VM3+
FP
11
32
GND
VM2-
FN
C1603
Q1402
12
31
VM4+
UN2113
OUT2
820P
13
30
R1618
VM4-
3
GND
14
29
15K
VM5+
IN2-
FODRR
2
2
15
28
VM5-
1
1
16
27
OUT5
IN2+
SLDRR
17
26
MUTE1
TP1607
IN5-
18
MUTE2
25
IN5+
R1624
R1606
C1616
L1600
19
24
SS.GND
6.8K
IN4+
10K
1µH
VREF
100/10
20
23
IN4-
21
22
OUT4
VREFO
VREF
C1655
C1607
0.015
1
R1623
22K
IC1302 : CPH5608
Head Driver
G1
S
G2
5
4
3
G1
4
S1
3
S1
2
1
D1
1
2
D1
D2
F
G
: TEST POINT WAVEFORMS (See page 58)
6
5
C1205
1
TP1202
14
19
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
TP1201
1
75
TP1212
C1201
2
AVCC1
DADATA
74
10
3
EFMI
32
ADDATA
73
R1211
4
AGND1
DFCK
72
18
220
5
AVCC2
71
BCLK
C1211
C1206
6
VREF
LRCK
70
WBO-I
0.1
0.1
20
7
WBI
69
DGND
TCG
8
TCG
PLLBVC
68
AOUT-IN
TP1250
R1212
9
AIN
DOUT
67
21
BOUT-IN
TP1251
47
10
BIN
DIN
66
EOUT-IN
TP1252
R1215
11
XO
65
EIN
FOUT-IN
TP1253
C1207
1M
12
FIN
XI
64
TP1254
1
13
VBAT
DGND
63
C1200
VDD1
IC1201
14
VDD1
62
1
15
LR37816A
VPD
61
DGND
16
TEST2
ENDEC/ATRAC
VXI
60
17
X176KO
CDBCLK
59
18
FODRF
CDLRCK
58
R1201
100K
FODRR
19
FODRR
CDDATA
57
20
TRDRF
DIN2
56
R1203
120K
TRDRR
21
TRDRR
DILOCK
55
22
SLDRF
TEST1
54
R1205
82K
SLDRR
23
SLDRR
TEST0
53
R1221
52
24
SPDRF
TCRS
R1207
62K
SPDRR
TP1214
25
51
26
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
TP1210
TP1213
TP1208
TP1203
22
C1203
10
9 8 7 6
5 4 3 2 1
24
1
IC1202
IX2474AF
25
4MBIT D-RAM
Q1807
11 12 13 14 15
16 17 18 19 20
2SD601AR
A4
A5
A6
A7
23
A8
VREF3.2V
R1441
47K
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
ADMUT
80
4M/16M
XRST
64M
C/N
79
5/3
78
LDVAR
ADJS
DFS1
77
76
CIN
DFS0
DAPON
75
UNLOCK
74
SBSY
BYTE
A/B
73
CNVSS
LDON
72
R1440
STID OUT
LAST
71
100
TP1414
SEACH OUT
PCNT0
70
RESET
69
D1401
68
SB00703Q
TP1411
VSS
L3CLK
67
IC1401
TP1412
66
MCCK
L3MODE
IX0410AW
TP1413
VCC
L3DATA
65
TP1415
MD SYSTEM
GND
64
C1409
UCON3.2V
MICROCOMPUTER
DINT
INNER
63
1
SFSY
VCC
62
ST-ID
CRTRG SW
61
3
1
SERCH
60
MDRSW
SLOT5
59
CDB SEL
SLOT4
58
2
SLOT3
DSENSE
57
SLOT2
56
Q1801
P-DOWN
2SA1162G
HDON
SLOT1
55
VREF3.2V
EEPRO
SYSD0
54
HFON
SYSD1
53
SYSD2
52
EEPK
Q1800
EEPD
SYSD3
51
UN2214
SYSD4
MDDATA
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
3
2
1
3
2
1
3
R1430
R1435
10K
10K
13
R1230
10K
R1424
47K
3
C1230
R1231
Q1403
1
10K
UN2213
H
I
MD MAIN PWB-C
DADATA
ADDATA
DFCK
BCLK
LRCK
C1210
22P(CH)
XL1201
33.8688MHz
R1222
47K
47K
R1716
100K
C1709
C1713
0.01
0.01
28 27 26 25 24 23 22 21 20 19 18 17 16 15
IC1701
C1750
UDA1345
820P
AD/DA CONVERTER
1
2 3 4 5 6 7 8 9 10 11 12 13 14
C1708
0.01
L3CLK
C1705
0.1
C1706
0.01
C1700
47/4
L1701
10µH
R1707
R1710
L1702
1M
680K
C1701
47/4
10µH
C1741
C1716
AA.GND
TP1701
Q1700
47/4
820P
2SD601AR
R1702
30K
R1703
1K
C1702
1
3
0.001
R1705
R1704
2
820
3.3K
AA.GND
AA.GND
BACKUP
IC1702
NJM431U
REGULATOR
R1512
Z2134SC
Q1804
R1809
2SA1242Y
1
R1806
R1811
1
1
R1807
R1510
27K
1K
PDOWN
Q1501
UN2214
4
3
RESET
3
2
R1532 3.3K
2
Q1702
1
R1711
STID
TP1501
R1533
2SA1162G
12
TP1502
R1534
DSCK
5
1
R1714
SERCH
TP1503
R1535
IC1801
3
12
TP1504
R1536
2
KDATA
XC62EP32
R1708
R1712
MDDATA
TP1505
R1537
REGULATOR
1
1K
27K
DSTB
TP1506
R1538
Q1701
R1520
UN2213
47K
Q1805
C1803
C1503
R1523
TP1801
2SA1314C
100/10
47K
0.33
L1501
C1501
R1524
1µH R1521
R1802
1
56K
Z2134SC
LOADIN
R1803
P.GND
R1805
3
270
33K
2
3
L1502
2
4.7µH
Q1806
1
1
Q1803
R1515
UN221N
UN221N
1.8K
R1516
1.8K
R1517
47
Z2134SC
R1518
47
R1513
8.2K
C1506
100P(CH)
* All voltages are measured with a 10MΩ/DC electric volt meter.
● 電圧は、内部抵抗10MΩの電圧計で測定したものです。
* Components having special characteristics are marked Z and must be
● Z印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、パーツリストに
replaced with parts having specifications equal to those originally installed.
* Schematic diagram is subject to change without notice.
● 本回路図は、標準回路図です。改良のため予告なく変更することがございます。
J
K
MDX-E300
IC1202 : IX2474AF
4M Bit D-RAM
RAS
4
Write Clock
Clock Generator
3
WE
Generator
17
CAS
Data Input
CBR Refresh
SELF Refresh
Buffer
Counter
Timer
MN42V4400 only
1
2
DQ0~DQ3
Row Address
Memory
A0
5
Row Decoder
Word Driver
18
Buffer
Cell
19
Row Address
A9
15
Column Decoder
Sense Amp.
Buffer
20
V
SS
On ChipVBB
I/O
Data Output
Generator
V
BB
16
OE
Selection
Buffer
CAS
17
IC1701 : UDA1345
AD Converter & DA Converter
V DDA(ADC) V SSA(ADC) V ADCP V ADCN
V ref(A)
2
1
7
6
4
0dB/6dB
VINL
3
5
VINR
switch
ADC
ADC
8
MC1
V DDD
10
21
MC2
DECIMATION FILTER
V SSD
11
20
MP5
DC-CANCELLATION FILTER
DATAO
18
13
MP2
16
DIGITAL
L3-BUS
BCK
14
MP3
WS
17
INTERFACE
INTERFACE
19
15
MP4
DATAI
12
SYSCLK
MP1
9
DSP FEATURES
INTERPOLATION FILTER
NOISE SHAPER
DAC
DAC
26
24
VOUTR
VOUTL
25
27
23
22
28
V DDO
V DDA(DAC)
V SSA(DAC)
V SSO
Vref(D)
1
33
1
DIGOUT
TP1514
2
GND
TP1515
3
DIGIN
TP1516
4
BACKUP
TP1517
5
PDOWN
TP1518
6
RESET
1K
7
MD-ST
1K
8
DSCK
1K
9
SERCH
1K
10
KDATA
220
11
MDDATA
220
12
DSTB
13
D.GND
C1507
TP1507
0.047
14
D.GND
P-64
TP1508
15
D.GND
CB1
D.GND
16
D.GND
[A-2]
TO MAIN PWB
17
DVDD
TP1509
18
DVDD
120
TP1510
19
PCONT0
TP1511
20
LOAD SW
R1539
TP1512
21
AVCC
120
TP1519
22
L IN
TP1520
23
AA.GND
TP1521
24
R IN
TP1522
25
AD.GND
TP1523
26
L OUT
TP1524
R1528
27
AA.GND
TP1525
28
R OUT
TP1526
2
CW1501
27
26
R1540
Z2134SC
記載されている部品を使用してください。
63

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