Schematic Diagram - Yamaha MDX-E100 Service Manual

A B
SCHEMATIC DIAGRAM (MD MAIN)
1
MD MAIN PWB-A
TP1124
C1105
C1104 0.0033
0.033
48 47 46 45 44 43
RF2
0.7V
1
R
RF1 EFM
0.7V
2
u AGC
2 RF4
0.7V DIFF
SW
3
RF3
0.7V DIFF
4
C1120
C1101
0.01
1 1.6V REFI
IC1101
5
C1102 IR3R55
1 1.6V RF SERVO/SIGNAL CONTROL
6
REFO
TO CHASSIS GND
0.7V
RFADD
7 BIAS
C1103
0.027 TCGI
8
R1103 1.6V
390K
AIN
9
1.6V
BIN
10
1.6V
EIN
11 LOGIC
1.6V
FIN
12
1.6V
13 14 15 16 17 18
3
TP1116 C1106
1
L1100
0.47uH
R/P
R1101
1
R1105
1.2K
C1100
4.7
4
3
12
2
CN1101
28 27 26 25 24 23 22 21 20 19 18 1 7 16 15 1 4 13 12 11 10 9 8 7 6 5 4 3 2 1
FLEXIBLE
PWB
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 7 6 5 4 3 2 1
8
MAGNET HEAD
5
(RECORD)
1 1
2 2
1 LDOUT VCC 8 Q1300
2SK2909
2 EXTC DGND D
7
2.6V
3 APC LDON 6
G
4 LW LDVAR 5
S
1.4V
D
G
MD PICKUP UNIT
Q1301
S
2SK1473
TP1400
LEAD IN LEAD IN
SW1952 1 1
TP1401
WRITE HINF HINF
2 2
PRO
GND GND
3 3
R1902 TP1402
LOADING LOADING
4 4
1.8K
TP1403
6 DISC MINF MINF
5 5
MEDIA
R1901
CN1401
470
SW1953
C1400 C1401
LEAD IN
0.022 0.022
SW1954
PLAY
R1904
820
SW1955
RECORD
SW1956
LOADING
MD MECHANISM SWITCH PWB-B
15
7 TP1600
+ SLD+
M902 M 1 1
SLED — SLD-
2 2
MOTOR
16
CN1602 TP1601
TP1602
SP+
M901 +
M 1 1
SPINDLE —
2 2
MOTOR
SP-
CN1603 TP1603
TP1604
TRY+
M903 +
M 1 1
LOADING
—
MOTOR 2
2
TRY-
CN1604
8
C D E
q @4
to
TP1131
TP1125
C1110
0.0047
C1111
0.47
42 41 40 39 38 37
R1106
1.6V 56K
36 TP1132
ADIPI
1.6V EFMO-I
TP1133
35
ADIPO C1112
330P
AOUT-IN
34 0V (CH) 4
NC
EOUT-IN
ADLPFO 1.6V TCG
33
BOUT-IN
TP1134
ADIP 22KO 1.6V FOUT-IN
32 5
AGC
TP1135 WBO-I
22KI
31
1.6V
R1107
560
WBO 1.6V
30
LPF HPF
TP1126 R1108
22K
TCGO 1.6V
29
TP1127
R1109
22K
AOUT 1.36V
28
TP1128 R1110
FODRF
22K
BOUT 1.35V FODRR
27
TP1129
R1111 TRDRF
22K
EOUT
1.78V TRDRR
26
TP1130 R1112 SLDRF
22K
FOUT 1.78V SLDRR
25
SPDRF
SPDRR
19 20 21 22 23 24
C1119
1
TP1136
SGAIN
PLAY DISC : 0V
REC DISC : 3.2V
R/P
R1413
R1612 R1614 1K C1407
200K 100K 0.047
L1300
47uH
R1304
680 TP1302
Q1302
EFMO
2SK2909
D
G 2.6V
C1302
S
10
R1408
R1404
3.3K
1K
D
G
2.6V
S
Q1303 HDON
2SK1473
C1404
0.022
LEAD IN
HINF
C1304
TO CHASSIS GND 10
LOADIN
MINF
L1301
TP1606
47uH
( )
R1410
C1606 C1608
LD+ 3.3K
10 100/10
LD-
INNSW
R1409
1K
IC1601
BA5984FP
MOTOR DRIVER
F+
FP 2.2V 2.3V SLP
15 + + + 14
2.2V SLN
FN F- 2.1V
13
16
C1619 T+ 2.2V 2.1V SPP
TP
17 12
330P + + +
T- 2.2V 2.1V SPN
TN
(CH) 18 11
0V
0V
10
19
0V
1.6V
20 9
C1607 5V
21 8
1 3.2V
VREF
C1602 C1611
30 29
- - 0.0082
820P
1
1.6V 1.6V 2 3
22 7
1.6V SPDRR R1616 3.15V
TRDRR 1.6V 0V
23 6
- - 6.8K
TRDRF R1601 1.6V - - SPDRF 1.6V Q1403
+ +
24 5
6.8K RN2404
1.6V 1.6V
25 4
1.6V 1.6V SLDRR C1615
FODRR
26 3
- - 0.0015 TP1607
FODRF 1.6V SLDRF
+ +
27 2
1.6V
0V
28 1
0V L1600
1uH
C1603 R1618
820P
15K
F G
: TEST POINT WAVEFORMS (See page E38/J36)
TP1215
TP1218
TP1217
TP1216
C1204
0.047 R1208
6
220
7
TP1204
TP1202
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
SYRS
TP1212
TP1201
1.48V 1.55V
1 1 75
EFMMON
3.2V 1V
2 DADATA 74
AVCC
C1201 1.6V 13 14 19 0V
3 ADDATA
EFMI 73
10
0V 1.5V
4 AGND DFCK 72
1.36V 1.55V
5 AIN 21 BCLK 71
1.77V 1.5V
6 EIN LRCK
70
1.6V 0V
7 TCG DGND 69
20 3.17V
1.36V
8 BIN VDD3 68
1.77V 1.58V
9 FIN DOUT
67
1.25V IC1201 DIN
10 VBAT 17 66
LR376484
1.6V 1.3V
11 WBI XO 65
ENDEC/ATRAC
C1200 3.17V 1.3V
VDD1
12 XI 64
1
0V 0V
13 DGND DGND 63
3.17V
0V
TP1200 14 TEST0 DIN VDD1 62
DIGITAL IN : 1.58V 0V
0V VPD
15 TEST1 61
OTHER : 0V
R1223 0V 3.17V NC
16 TEST2 VXI 60
100 3.2V
1.45V
17 X176KO CDBCLK 59
R1200 120K 1.56V 3.2V
FODRF
18 CDLRCK 58
R1201 120K 1.62V 3.2V
19 FODRR CDDATA 57
1.7V
R1202 150K 0V
20 TRDRF TEST4 56
R1203 150K 1.5V
TRDRR TEST3 0V
21 55
R1204 62K 1.63V 58V
22 SLDRF TESO1 54
R1205 62K 1.53V 0V
23 SLDRR EXPORT1 53
R1206 33K 1.8V
SPDRF 0V
24 EXPORT0 52
R1207 33K 1.4V X700KO 58V
25 SPDRR 51
EFMO
RAA3
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
PLAY:0V
REC:1.5V
TP1210
11
10
8
R1210
220
TP1203
10 9 8 7 6 5 4 3 2 1
IC1202
IX2474 AF
4M BIT D-RAM 11 12 13 14 15 16 17 18 19 20
A4
A5
A6
A7
A8
VREF3.2V
R1414
1K
R1429
100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 47K
NC
0V
1 XRST 80
0V 0V
2 SBCK DIGCD 79
0V
0.2V MINF
3 LDVAR DIGEX 78
PLAY DISC : 2.2V
0V
REC DISC : 0.1V
4 ADJS NC 3.2V DFS1 77
3.2V
5 SFSY 0V DFS0 76
0V 3.2V
6 LOAD IN NC DAPON 75
0V
7 ERROR 3.1V SBSY 74
0V 0V
8 BYTE 73
A/B
3.1V
0V LDON
9 CNVSS LDON 72
0V NC TP1411
10 STID OUT PCNT1 71 0V
0V 3.1V
11 PCNT0 70
SEACH OUT
R1444
12 RESET 3.18V IC1401 NC 69 0V D1401
100
IX0290AWZZ NC SB00703Q
13 NC 1.44V 68 0V
TP1412
0V MD SYSTEM 3.2V
14 L3CLK 67
VSS
MICROCOMPUTER 3.2V TP1413
1.5V
15 L3MODE 66
MCCK
3.2V TP1414
16 VCC 3.2V L3DATA 65
0V C1410
17 3.2V GND 64
1
0V
18 3.1V NC 63
DINT
3.2V
19 DSENSE VCC 62
0V
3.2V R1426 1K
20 61
ST-ID EEPK
0V R1427 1K
0V TP1415
21 SERCH EEPD 60
0V 3.2V
22 MDRSW 3.15V EPCS 59
0V R1428
23 NC EEPRO 58
FSW 3.2V
1K
24 VARI-P SW NC 57 0V
0V
Q1801
NC
25 P-DOWN 3.2V 56 0V
2SA1162 G
26 NC 55 0V
HDON 3.2V
VREF3.2V
0V 3.18V
27 SYSD0 54
LD+ R/P
0V 0V
PLAY : 3.15V
28 LD- SYSD1 53
0V REC : 0V
0V
SYSD2 52 R1801
29 CIN
2V 270
0V
30 INNER SYSD3 51
3.2V TP1410 Q1800
DATA SYSD4
RNC1407
TP1800
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 3 2
0V
1
Q1802
R/P RNC1407 2
0V 1
3
C1411
R1420
330P
10K
(CH)
3.2V Q1401
IC1402
1 RNC1404 0V
S29294A
3.2V 2.3V
2 3 2 3 EEPROM
0V 3.2V
5 DI 4
1 SK
Q1402 0V
2 3 0V 3.2V R1425
6 DATA CS 3
RN2404 100K
2.1V 3.2V
0V
7 GND VCC 2
1
0V 0V
8 NC 1 C1409
PRTCT
0.1
Q1400 0V
PCNT0
RNC1404
H I
Note : y ~ o
Connect an oscilloscope to the test points (y ~ o) through a
filter as shown below.
100K
test points oscilloscope
270P
TP1213
9
18
DADATA
ADDATA
R1211
DFCK
220
BCLK
LRCK
C1206 23
0.0012
R1212
47
C1210
22 22P
(CH)
C1207 R1215
1 1M
C1208
XL1201
12P 33.8688MHz
(CH)
R1214
10K
R1221
R1219
TP1211
10K 10K
NC
TP1214
NC
NC
R1713
24
100K
C1709
0.01
28 27 26 25 24 23 22 21 20 19 18 17 16 15
IC1701
UDA1344
AD/DA CONVERTER
TP1700
1 2 3 4 5 6 7 8 9 10 11 12 13 14
C1708
0.01
L3CLK
C1705 L3MODE
0.047
C1706
R1709
0.01 R1705
C1700 39K
39K
47/4
R1710
C1716
C1701 L1700 L1701 R1706
680K
47/4 47/4
10uH 10uH 1M
TP1701 Q1700
2SC2412 KR
IC1702
AA.GND
3.2V
NJM431U 5.4V
R1702 REGULATOR
R1701
1K
30K 2.46V
1 3
C1702
3.85V
R1703
0.01
2
3.3K
0V
AA.GND
AA.GND
BACKUP
R1519 120
Q1804
2SA1314 C
3.2V
4.8V
3.3V
R1807
27K
3.2V
4 3
RESET
C1800 C1801
5V
2
220/4 10
STID
TP1702
DSCK
0V
5 1
0V
5.4V 5.4V R1711 R1712 SERCH
IC1801
Q1702 4.8V 12 12
KDATA
XC62EP32
2SA1162 G
REGURATOR MDDATA
R1707 R1708
3 0.7V 1K 27K DSTB
3.1V 2
Q1701 1 LOADIN
PDOWN
RNC1404
TP1801
5V 5V
R1802 C1804
220K 2.2
Q1805
R1803
P.GND
100K 2SA1314 C
3.1V 3 2 2 3 R1515 1.8K
Q1803 Q1806
0V 0V
RN1406 1 RN1406
1
R1516 1.8K
R1512 47
R1513 47
R1510 R1511
8.2K
8.2K
J K
MDX-E100
IC1202 : IX2474AF
4M Bit D-RAM
4
RAS Write Clock
Clock Generator
3 WE
Generator
CAS 17
Data Input
CBR Refresh SELF Refresh
Buffer
Counter Timer
DQ0~DQ3
Row Address Memory
5
A0 Row Decoder Word Driver
Buffer Cell
Row Address
A9 15 Column Decoder Sense Amp.
Buffer
20
V SS On ChipVBB I/O Data Output
V BB
Generator Selection Buffer 16 OE
CAS 17
IC1402 : IX2474AF
EEPROM
NC 1 8 PROTECT
VCC 2 7 GND
CS DO
3 6
SK 4 5 DI
MEMORY ARRAY
WRITE
PROTECT
BANK 1
PROTECTION ADDRESS Vcc
BANK 2 DECODER
GND
DATA RESISTER OUTPUT BUFFER
DO
DI
MODE DECODER
CS LOGIC
SK CLOCK GENERATOR
IC1701 : UDA1344
A/D & D/A Converter
V ref(A)
V DDA(ADC) V SSA(ADC) V ADCP V ADCN
1 7
2 6 4
0dB/6dB
VINL 3 5 VINR
switch
ADC
ADC
8 MC1
V DDD
10 DECMATION FILTER 21 MC2
UDA1344
V SSD 11
20 MP5
DC-CANCELLATION FILTER
DATAO 18 13 MP2
BCK 16 DIGITAL L3-BUS
14
MP3
INTERFACE INTERFACE
WS 17
15 MP4
19
DATAI
12
SYSCLK
MP1 9
DSP FEATURES
INTERPOLATION FILTER
NOISE SHAPER
DAC DAC
VOUTL 26 24 VOUTR
25 27 23 22 28
V DDO V SSO V DDA(DAC) V SSA(DAC)
Vref(D)
R1535
47
C1508
0.047
R1514
1K
CNW2002
TP1514
1
1 DIGOUT
TP1515
2 GND
TP1516
Q1500 3 DIGIN
TP1517
RNC1407
4 BACKUP
3.18V 3 0.1V TP1518
5 PDOWN
2
R1525 3.3K TP1519
0V 6 RESET
1
TP1500
R1526 1K
7 MD-ST
TP1501 R1527 8.2K
8 DSCK
TP1502
R1528 8.2K
9 SERCH
TP1503
R1529 8.2K
10 KDATA
TP1504
R1530 220
11 MDDATA
TP1505
R1531 220
12 DSTB
13 D.GND P-E49/J47
C1503 TP1508
14 D.GND
0.33 TP1509
D.GND [A-2]
15 D.GND
16 D.GND
TP1510
17 DVDD
L1501 TP1511
18 DVDD
1uH TP1512
19 PSWCK
R1532 1K TP1513
20 LOAD SW
TP1520
21
AVCC
L1503 4.7uH TP1506
22 L IN
TP1521
23 AA.GND
TP1507
24
R IN
TP1522
25 AD.GND
TP1523
26 L OUT
TP1524
27
AA.GND
TP1525
28 R OUT 28
CN1501
C1511
22P
C1506
C1504
(CH)
100P
220P
(CH)
(CH)
C1505
100P
(CH)
* 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