Yamaha MDX-9 Service Manual Page 36

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MDX-596
MDX-596
35
BLOCK DIAGRAM (MD)
1
234
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
D GND
D GND
RESET
MD-ST
DSCK
KDATA
MDDATA
DSTB
D GND
D GND
DVDD
DVDD
PCONTO
LOADSW
AVCC
L OUT
AA GND
R OUT
SERCH
AD GND
R IN
AA GND
L IN
DIG OUT
D GND
DIG IN
BACKUP
P DOWN
BACKUP
70
34
25 12 20 33 21 32 31
MECHANISM
+4.75~5.25V
+3.2V
IC1402
58X2402T
EEPROM
30
29
98
5
6
8
IC1801
XC62EP32
REGULATOR
3
AUDIO IN
AUDIO OUT
IC1702
NJM431U
REGULTOR
1
2
3 5
24
26
3
+3.2V
MECHANISM
+4.75~5.25V
+3.2V
+3.2V
IC1401
IX0324AW
MD SYSTEM
MICROCOMPUTER
67
66
+3.2V
DOUT
DIN
A/D
CONVERTER
D/A
CONVERTER
IC1701
UDA1347T
AD/DA
CONVERTER
IC1202
IX2474AF
4M-BIT
DRAM
5
9
11
15
~
~
26
29
~
32
36 42
~
IC1201
LR37814
ENDEC/ATRAC
XL1201
33.8688MHz
IC1101
IR3R58M
RF SIGNAL
PROCESSOR
+3.2V
+3.2V
MECHANISM
+4.75~5.25V
E-F SIGNAL A-B SIGNAL
RF1~RF4 SIGNAL
IC1601
M56788FP
MOTOR DRIVER
12
1015
M
M903
LOADING MOTOR
SW1932
LOADING
SW1934
PLAY
SW1936
LEAD IN
MONITOR
DIODE
LASER DIODE
RF4
RF3
RF2
RF1
LIGHT
RECEIVING
SECTION
ERROR
SIGNAL
LIGHT
RECEIVING
SECTION
RF
M
M902
SLED MOTOR
F
A
B
E
SW1933
RECORD
SW1931
DISC MEDIA
SW1930
WRITE PRO
M
M901
SPINDLE
MOTOR
PICKUP UNIT
FOCUS
TRACKING
RECORD
HEAD
+4.75~5.25V
IC1300
74ACT02T
HEAD DRIVER
65
64
MD
R
L
R
L
IXXO
CN1501
See page E-48/J-46
Schematic diagram MD unit
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