Yamaha MDX-596 Service Manual page 43

A B
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
LDVAR SBE803
5 4 3
MD PICKUP UNIT
1 2
MD LOADING PWB-E2
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-E1
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
4 5
VSS SDA 30
LEAD IN C1403 R1463
10K
0.1
R1616
10K
1 CH3IN REG+ 42
C1601 R/P
OUT3 REGB
2 + 41
- 820P
SPDRR IN3-
3 1.25V IN1+ 40
SPDRF
TRDRF
4 VBS2 39
C1612 VBS1
5 Vm2 38
0.0056 C1610 TRDRR
IN1-
6 NC 37
4.7
OUT1 INNSW
7 GND 36
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 FODRF
17 26
MUTE1 TP1607
SLDRF 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 E38/J36)
C1204 C1232
0.001 6
0.047
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 DOUT 67
AIN 21
BOUT-IN TP1251 47
10 BIN DIN 66
EOUT-IN TP1252 R1215
11 65
EIN XO
FOUT-IN TP1253 C1207 1M
12 FIN XI 64
1
TP1254
13 VBAT DGND 63
C1200
IC1201
14 VDD1 VDD1 62
1
15 LR37814 VPD 61
DGND
16 TEST2 ENDEC/ATRAC VXI 60
17 X176KO CDBCLK 59
FODRF R1200 100K
18 FODRF CDLRCK 58
R1201 100K
FODRR
19 FODRR CDDATA 57
TRDRF R1202 120K
20 TRDRF DIN2 56
R1203 120K
TRDRR
21 TRDRR DILOCK 55
SLDRF R1204 82K
22 SLDRF TEST1 54
R1205 82K
SLDRR
23 SLDRR TEST0 53 R1221
SPDRF R1206 62K
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
TP1411 SB00703Q
VSS L3CLK 67
IC1401
TP1412
66
MCCK L3MODE
IX0324AW 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
R1461 R1430
R1435
10K 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
UDA1347T
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 R1709
C1700
47/4 L1701 39K
10µH
R1707 R1710
C1701 L1702 1M 680K
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 DSCK TP1502 R1534
5 1
R1714 SERCH TP1503 R1535
IC1801
3 2 12 TP1504 R1536
KDATA
XC62EP32
R1708 R1712 MDDATA TP1505 R1537
REGULATOR 27K
1 1K DSTB TP1506 R1538
Q1701
R1520
UN2213 C1507
47K
0.047
Q1805
R1523
C1803 C1503
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
C1502
47
330P(CH)
R1513
8.2K
C1506
100P(CH)
J K
NDX-596
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
V SS 20 On ChipVBB I/O Data Output
Generator V BB 16 OE
Selection Buffer
CAS 17
IC1701 : UDA1347T
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
UDA1347
V SSD
11 20 MP5
DC-CANCELLATION FILTER
DATAO 18 13 MP2
16 DIGITAL L3-BUS
BCK
14 MP3
WS 17 INTERFACE INTERFACE
15
19 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
TP1507
14 D.GND
P-E49/J47
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
* 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