Sharp MD-MT866H Service Manual

– 29 –
MD-MT866H/MD-MT866W
Figure 29 BLOCK DIAGRAM
IC651
MOTOR
DRIVE
LB1938T
VCC
VEE
IC841
6372C821
2.8V UP CONVERTER
M903
LIFT MOTOR
IC842
XC62HS02
POWER SUPPLY
MICROCOMPUTER
IC822 IR3M14N
DC/DC
CONVERTER
IC821 CPH3403
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
IX0357AW
RIPPLE
FILTER
OPIC
LASER
PICK
HEAD
M901
SPINDLE
MOTOR
IC201
ENDEC/SERVO/ATRAC
LR37815
+2.7V +2.5V
T F
+2.5V
+2.7V
+2.7V
AVCC +2.5V
+2.7V
J703
HEADPHONES
TERMINAL
J703
REMOTE
TERMINAL
+2.35V
L C D
IC703
AUDIO AMP.
IR3R59N
IC701
AUDIO AMP.
IR3R54N
IC601
MOTOR DRIVE
BD6606KV
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)
57,59,61
16,18,
20,22
10,12,14
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
32-37,53, 3
6-9
2,5,6,7
14-17
6,69, 74,83, 84,100
9, 11, 13
75,82
2
17-22 24
57,58
5
2
8
3
10
+2.7V
82-84,86, 89-100
4,7
5,6
SW401 EJECT
SW403
LID
DETECTION
97
40,65,77,78,98
73
8
PLAYBACK SIGNAL
RECORD SIGNAL
+B
M
M
M
+2.7V
1, 20-30, 73,93-95
R-CH
L-CH
2
R-CH
3
L-CH
VCC
L-CH
5
8
R-CH
HEAD DRIVE
IC351 74ACT02T
IC354 CPH5608
IC353 FTD2005
VCC
F841 0.4A,DC 60V
2
2
2
1
IC431
RESET
S80820LN
1
62
-2.7V
IC404
GATE IC
N7SZ86P5
1,2
8
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 75S54FU
OP AMP.
IC251 S80808LN
RESET
IC801 S80814LN
RESET
Q251-Q254,Q261 Q801-Q802,Q821
2.5V REGULATOR
IC200 62GR2522
2
5
5
+2.3V
14,62 +1.5V
IC852 IR3M14N
DC/DC
CONVERTER
IC851 CPH3403
N-ch MOS FET
VCC
VEE
VCC
1-2V
+4.5V
+7V
IC873
62GR4522
4.5V REGULATOR

Sharp MD-MT866H Specifications

General

Brand	Sharp
Model	MD-MT866H
Category	Minidisc Recorder
Language	English