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MD-MT877/MD-MT877C
Figure 29 BLOCK DIAGRAM
IC651
MOTOR
DRIVE
LB1938T
VCC
VEE
IC841
XC6372C281PR
2.8V UP CONVERTER
M903
LIFT MOTOR
IC842
62GR2522
2.5V REGULATOR
IC822 IR3M14N
DC/DC
CONVERTER
IC821 CPH3413
N-CH MOS FET
IC501
AD/DA
CONVERTER
AK4551VT
M902
SLED
MOTOR
IC101
RF SIGNAL
PROCESSOR
IR3R58M
2.3V REGULATOR
IC771 62GR2322
IC401
SYSTEM
MICROCOMPUTER
IX0419AW
RIPPLE
FILTER
OPIC
LASER
PICK
HEAD
M901
SPINDLE
MOTOR
IC201
ENDEC/SERVO/ATRAC
LR378161
+2.7V
+2.5V
T F
+2.5V
+2.7V
+2.7V
AVCC
+2.5V
+2.7V
J703
EARPHONES
TERMINAL
J703
REMOTE CONTROL
TERMINAL
+2.35V
SWA01-13
IC703
AUDIO AMP.
IR3R59N
IC701
AUDIO AMP.
IR3R54N
IC601
MOTOR DRIVE
BD6640KV
VM
IC402
EEPROM
58X2404T
VS
IC202
IX2824AF
16M BIT D-RAM
OPTICAL
J701
OPTICAL IN
J701
LINE IN
J702
MIC IN
(READY FOR
PLUG/IN POWER)
7,10,12
55,60
39,41,43
27,31,
40,45
29,40
37
26-30,
32-37,
39-46
2-5,7-11
14-23
6,7
66
74
9
2
3
15
4
20
17
6,19
12
10
6
24 L-CH
22 R-CH
17
Q721
1-2
1-3,17,27,52,64
1-3
2,5,6,7
96-99
40,47,
48,81,
91,92
31-33
49,72
2,5
17-22,
24,25
57,58
5
2
8
3
1,12
+2.7V
82-84,86,
89-100
4,7
5,6
SW401
EJECT
SW901
DISC
PROTECT
68
12,53,54,62
73
8
PLAYBACK SIGNAL
RECORD SIGNAL
+B
M
M
M
+2.7V
1-11,36,38,
73,74,93
R-CH
L-CH
2
R-CH
3
L-CH
VCC
L-CH
5
8
R-CH
HEAD DRIVE
IC351 74ACT02FT
IC354 CPH5608
IC353 FTD2005
VCC
F841
0.4A,DC 60V
2
2
2
1
IC431
RESET
S-80820LNP
1
59
-2.7V
IC404
GATE IC
N7SZ86P5
2
76
2,3
50
4
KEY UNIT
2
3
16
21
L-CH
4
3
R-CH
BATTERY
TERMINAL
EXTENSION
TERMINAL
9,16
L-CH
R-CH
IC271 FT75S54FU
OP AMP.
IC251 S-80808LNP
RESET
IC801 S-80814ALNP
RESET
Q251-Q254,Q261
Q801,Q802,Q821
2.5V REGULATOR
IC200 62GR2522
2
5
5
+2.3V
14,51,62
+1.5V
IC852 IR3M14N
DC/DC
CONVERTER
IC851 CPH3413
N-CH MOS FET
VCC
VEE
VCC
1-2V
IC873
62GR4522
4.5V REGULATOR
5,6
(+1.5V)
(-1.5V)
IC871
TC7S86FU
EXCLUSIVE
OR GATE
1
1