MD-MX30/MX30W
– 36 –
1
2
3
4
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
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
CDLRCK
CDBCLK
GND
CDDATA
BACKUP
70 34 25 12 20 33 21 32 31
MECHANISM
+4.75~5.25V
+3.2V
IC1402
58X2402T
EEPROM
29
30
98
5
6
8
IC1801
XC62EP32
VOLTAGE
REGULATOR
3
AUDIO IN
AUDIO OUT
IC1702
NJM431U
REGULTOR
1
1
3
5
24
26
3
+3.2V
MECHANISM
+4.75~5.25V
+3.2V
+3.2V
IC1401
IX0326AW
MD SYSTEM
MICROCOMPUTER
58
59
57
67
66
+3.2V
A/D
CONVERTER
D/A
CONVERTER
IC1701
UDA1347
AD/DA
CONVERTER
IC1202
IX2474AF
4M-BIT
DRAM
5
9
11
15
~
~
26
29
~
32
36
~
IC1201
LR376484F
ENDEC/ATRAC
XL1201
33.8688MHz
IC1101
IR3R55
RF SERVO/SIGNAL
CONTROL
+3.2V
+3.2V
MECHANISM
+4.75~5.25V
E-F SIGNAL A-B SIGNAL
RF1~RF4 SIGNAL
IC1601
M56788FP
MOTOR DRIVER
12
10
15
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
RECRDING
HEAD
+4.75~5.25V
IC1300
74ACT02T
HEAD DRIVER
65
64
MD
R
L
R
L
Figure 36 BLOCK DIAGRAM (5/5)