Sharp SD-NX10 - Page 22

SD-NX10
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Figure 22 BLOCK DIAGRAM (7/7)
1
234
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
30
29
98
5
6
8
IC1801
XC62EP32
REGULATOR
3
MD IN
MD OUT
IC1702
NJM431U
REGULATOR
1
3
5
24
26
3
+A 3.2V
MECHANISM
+4.75~5.25V
+3.2V
IC1401
IX0410AW
MD SYSTEM
MICROCOMPUTER
58
67
66
+3.2V
DOUT
DIN
A/D
CONVERTER
D/A
CONVERTER
IC1701
UDA1345
AD/DA
CONVERTER
IC1202
IX2474AF
4M-BIT
DRAM
5
9
11
15
~
~
26
29
~
32
36
42
~
IC1201
LR37816A
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
MD 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
MD SLED MOTOR
F A
B
E
SW1933
RECORD
SW1931
DISC MEDIA
SW1930
WRITE PRO
M
M901
MD SPINDLE
MOTOR
MD PICKUP UNIT
FOCUS
TRACKING
MAGNETIC
HEAD
(RECORD)
+4.75~5.25V
IC1300
74ACT02T
HEAD
DRIVER
65
64
MD
R
L
RL
IX
XO
CN1501
CN1502
TO MAIN UNIT
TO MAIN UNIT
57
59
+3.2V
IC1802
XC62FP26P
REGULATOR
3
+2.6V
2
5
13
2
40
29
1
3
37
4
18
19
~
EFMO
EFMI
74
70
~
99
10
23
2
62
16