– 29 –
MD-MT88H/99H
Figure 29 BLOCK DIAGRAM
IC651
MOTER DRIVER
LB1930M
VCC
VCC VEE
IC841
6372C251
2.5V UP CONVERTER
IC251 TPCS8212 IC253 UMD12N IC255 NJM022V IC256 RN4911 IC257 S80808LN IC258 259
HN1C01FU
IC260 UMD12N IC809 UMD12N IC892 HN1C01FU TRANSISTOR, N-ch MOS FET, DIGITAL TRANSISTOR, OPE. AMP, RESET
M903
LIFT
MOTOR
IC822
IR3M14N
DC/DC
CONVERTER
IC501
AD/DA CONVERTER
AK4551VT
M902
SLED
MOTOR
IC101
RF SIGNAL
PROCESSOR
IR3R58M
2.3V REGULATOR
IC771 62GR2322
IC401
SYSTEM
MICROCOMPUTER
IX0431AW
RIPPLE
FILTER
VCC VEE
IC873
62GR4522
4.5V
REGULATOR
OPIC
LASER
PICK
HEAD
M901
SPINDLE
MOTOR
IC201
ENDEC/SERVO/
ATRAC
LR378161
+2.7V
+2.5V
T
F
+2.5V
+2.7V
+2.7V
VDD +2.0V
AVCC
+2.5V
+7V
+2.5V
J703
HEADPHONES
LINE
J703
REMOTE
CONTROL
IC801 62RP2002
IC802 HN1C01FU
IC803 S80819LN
2.0V REGULATOR
TRANSISTOR,
RESET IC
J801
DC IN
(5V)
1.0-1.7V
+2.5V
LCD ASS'Y
KEY FLEXIBLE PWB ASS'Y
IC901
SPINDLE MOTOR
DRIVER
LB1971V
IC703
AUDIO AMP.
IR3R59N
IC701
AUDIO AMP.
IR3R54N
IC601
PWM DRIVER
LV8018W
VM
IC402
EEPROM
58X2402T
VS
IC202
IX2735AF
16M BIT D-RAM
+2.3V
OPTICAL IN
UNIT
J701
OPTICAL IN
J701
LINE IN
J702
MIC IN
(READY FOR
PLUG/IN POWER)
REGULATOR
IC203
62FP1602
EXCLUSIVE
OR GATE
IC871
TC7S86FU
1,2,
21,23
6
5,7
7,30
VCC
VG
43
16,18,
20,22
39,41
40
17,21,27,44
28,29,40
37
26-29,
32-37,
39-46
2-5,
7-11,
14-23
7,9
66
74
51
9
2,3
15,16
4,21
20
17
6,9,16
7,19
10,12
6
24 L-CH
22 R-CH
17
Q721
1-2
2,13,14,24,
25,36,37
6-9
1-12
1,5,6,7
13
14-17
69,
70,
71,
83,
84
6,
9,
11,
13
75,82
74
2,
5,
31,
87
18-24
50
5
5
8
3
1,12
+2.7V
82-84,86,
89-100
14,62,68,87
3
4
2
2
5,6
SW401 EJECT
SW403 LID OPEN
97
40,57,58,61,63-65,
77,78,98
73
8
PLA
YBACK SIGNAL
RECORD SIGNAL
+B
M
M
M
6
Ni - MH Battery
or
Dry Battery
(1 pieces)
+2.7V
+2.7V
1, 20-30,
73, 33-35
R-CH
L-CH
2
R-CH
3
L-CH
3
3
VCC
L-CH
5
8
R-CH
HEAD DRIVER
IC351 74ACT02T
IC354 CPH5608
IC353 FTD2005
VCC
IC852
IR3M14N
DC/DC
CONVERTER
F841
0.4A,DC 60V
2
2
5
100
99
1
7
4
2
VCC
2,3
2
1
+2V
+1-2V
1
+2.5V
IC431
RESET
S80820LN
1
2
62
5
+2.5V
-2.5V
+2.7V
1
7
IC821,851
CPH3413
N-ch MOS FET