– 39 –
MD-E9000H
Figure 39 BLOCK DIAGRAM (2/4)
66 57
59
DIN
~
31
21
20
12
70
34
8
3
18
19
23
10
7
25
2
5
6
29
99
62
16
~
26
29
~
5
9
~
11
15
15
10
12
~
32
36
42
~
74
70
~
L
R
26 24
L
R
5 13
2
40
29
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
RESET
SERCH
MD-ST
CDLRCK
CDBCK
CDDATA
DSCK
KDATA
MDDAT
A
DSTB
H.VDD
D.GND
D.GND
DVDD
DVDD
PCONT0
AVCC
L.OUT
AA.GND
R.OUT
H.GND
M.GND
M.GND
C.GND
R.IN
L.IN
DIG IN
+3.2V
+B3 (+3.2V)
+3.2V
+3.2V
(33.8688MHz)
+3.2V
+3.2V
MECHANISM
+B7
(+4.75 ~ +5.25V)
MECHANISM
+B7
HEAD
+B7
(+4.75 ~ +5.25V)
E-F SIGNAL A-B SIGNAL
RF1 RF4 SIGNAL
RF4
RF3
RF2
RF1
F
A
B
E
MD
HEAD
+B7
M
M
M
CN1501
IC1401
IX0410AW
MD SYSTEM
MICROCOMPUTER
IC1402
58X2402T
EEPROM
IC1701
UDA1345
AD/DA CONVERTER
IC1202
IX2474AF
4MBIT D-RAM
IC1201
LR37816
ENDEC/ATRAC
IC1101
IR3R58M
RF SIGNAL
PROCESSOR
IC1601
M56788FP
MOTOR DRIVER
M903
LOADING
MOTOR
M902
SLED
MOTOR
M901
SPINDLE
MOTOR
MAGNET HEAD
(RECORD)
SW1932 LOADING
SW1930 WRITE PRO
SW1933 RECORD
SW1934 PLAY
SW1936 LEAD IN
XL1201
MD PICKUP UNIT
IC1300/IC1301/IC1302
HEAD DRIVER
MONITOR
DIODE
LASER DIODE
LIGHT
RECEIVING
SECTION
ERROR SIGNAL
LIGHT
RECEIVING
SECTION
RF
FOCUS
TRACKING
AUDIO IN
AUDIO OUT
MECHANISM
+B7
+3.2V
+3.2V
+2.6V
IC1801
XC62EP32
REGULATOR
IC1802
XC62FP26
REGULATOR
3
3
2
Q1804
REGULATOR