MD-MS722/C/W/MS721W
– 29 –
Figure 29 BLOCK DIAGRAM
IC651
MOTOR DRIVER
LB1930M
VCC
IC351
HEAD DRIVER
74ACT02T
VCC VEE
BATTERY CASE
(BOOSTER CIRCUIT
BUILT-IN)
RECHARGEABLE
BATTERY
M903
LIFT MOTOR
IC850
POWER DRIVE
IR3M09N
IC820
POWER DRIVE
IR3M09N
IC501 AD/DA
CONVERTER
AK4519VF
M902
SLED MOTOR
IC101
RF SIGNAL
PROCESSOR
IR3R55
IC771
TK71225M 2.5V
REGULATOR
IC200
2V REGULATOR
62FP2002
IC401
SYSTEM
MICROCOMPUTER
IX2772AF
RIPPLE
FILTER
VCC VEE
IC871
TK71345M
+4.5V REGULATOR
OPIC
LASER
PICK
MAGNETIC
HEAD
M901
SPINDLE
MOTOR
IC201
ENDEC LSI
LR37811
+2.8
+2.5
T
F
+2.5
+2.5
+2.5
+2.8
+2.8
VDD
+2.0
+2.8
+2.5
–2.5
AVCC
+2.5
+6~8
+2.8
J703
REMOTE
CONTORL
J801
DC IN
(+4~+5.5V)
(+2.9~+4.1V)
(+3.4V)
VCC
VCC
+2.35
DISPLAY UNIT
OPERATION UNIT
IC901
3-PHASE BRUSHLESS
DRIVER
BA6965AF
IC703
AUDIO AMP
IR3R54N
IC701
AUDIO AMP
IR3R54N
IC601
PWM DRIVER
17A39TD
VM
VCC
IC402
EEPROM
S29L294A
+4.5
VCC
VS
IC202
16BIT D-RAM
IX2723AF
+2.5
+2.5
+4.5
OPTICAL IN
UNIT
J701
DIGITAL INPUT
J701
LINE INPUT
J702
MIC IN
(READY FOR
PLUG-IN POWER)
J703
HEADPHONES
LINE
1,6
19,20
17
13
24,26
29,31
6,8
13,14
24,42
25-30,40
3,5-9,11
26-30,
32-37,
39-46
2-5,
7-12,
14-23
14
8,11
4
1
7,9
3,4
57,66
55,58
59,
70-74
7-12,
15,17
1,12
3,6
19,20
5,6
20
17
20
17
10,12
5,6
22,24
18,19
Q721
8
8
13
1-4
35
2,15-17,
19-22
1-3
1-3
14-16
69,
72,
73,
83,
84
9,
10,
13
42,48
2
17-24
50
4
5
12
33
3
12
2
3
4
5
82-84,86
89-100
52,53
2
3
4
1,20-30,
76,93-95
SERIES
REGULATOR
OVER VOLTAGE,
REVERSE-CONNECTION
PROTECTION CIRCUIT
Содержание MD-MS721BL
Страница 46: ...MD MS722 C WMS721W 46 M E M O ...