MD-X60H
– 38 –
Figure 38 BLOCK DIAGRAM (1/4)
D6.5/4.75 ~ 5.25V
MECHANISM
6.5/4.75~5.25V
D3.2V
AVCC
DVDD
DVDD
D3.2V
DIGITAL
3.2V
D3.2V
D4.3V
A3.2V
D4.3V
D3.2V
D4.3V
D3.2V
VOLTAGE
REGULATOR
POWER
EEPROM
MOTOR
DRIVER
IC1601
VOLTAGE
REGULATOR
POWER
AUDIO INPUT
AUDIO OUTPUT
MD
MICROCOMPUTER
MD
CONTROL
MICROCOMPUTER
IC1401
DIGIN(EIAJ)
PDOWN
DIGOUT(EIAJ)
GND
GND
1
1
2
2
4
3
PLL
D/A
CONVERTER
A/D
CONVERTER
R.IN
R.OUT
AA.GND
AD.GND
AA.GND
L.IN
L.OUT
LOAD IN
RESET
MD-ST
DSCK
SERCH
1
2
24
23
22
21
20
19
18
17
16
15
14
4
5
6
7
8
9
13
10
11
12
3
D.GND
D.GND
D.GND
D.GND
DSTB
MDDATA
KDATA
4M
DRAM
ENDEC/ATRAC
IC1201
OSCILLATOR
XL1201
(33.8688MHz)
SW1956
SW1955
SW1954
SW1953
SW1952
Q1251~Q1254
MD
RECORDING
HEAD
M901
SPINDLE MOTOR
M902
SLED MOTOR
M903
LOADING
REC
PLAY
LEAD IN
A–BSIGNAL
E–FSIGNAL
RF1 ~ RF4SIGNAL
HEAD
DRIVE SIGNAL
IC1251
RF SERVO/
SIGNAL
CONTROL
IC1101
LOADING MOTOR
HEAD UP/DOWN
M
M
DIRECT
WRITE PRO
M
LASER DIODE
MONITOR DIODE
RF4
RF3
RF2
RF1
LIGHT
RECEIVING
SECTION
ERROR
SIGNAL
LIGHT
RECEIVING
SECTION
RF
F
A
B
E
FOCUS
TRACKING
PICKUP UNIT
Содержание MD-X60H
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