Sharp MD-MX30 Service Manual page 36

MD-MX30/MX30W
2 3 4
1
57
59
58
67
+3.2V
IC1201
LR376484F
ENDEC/ATRAC
XL1201
33.8688MHz
64
65
IC1300
74ACT02T
HEAD DRIVER
MD
RECRDING
HEAD
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
70 34 25 12 20 33 21 32 31
IC1401
IX0326AW
MD SYSTEM
MICROCOMPUTER
66
~ ~
26 29 36
32
IC1101
IR3R55
RF SERVO/SIGNAL
CONTROL
LIGHT
LIGHT
RECEIVING
RECEIVING
SECTION
SECTION
M901
ERROR
RF
SPINDLE
SIGNAL
MOTOR
M
M902
SLED MOTOR
M
Figure 36 BLOCK DIAGRAM (5/5)
MECHANISM
+4.75~5.25V
98 8
IC1402
30 6
58X2402T
EEPROM
29 5
3
IC1202
IX2474AF
4M-BIT
DRAM
~
~
5 9 11 15
+3.2V
+3.2V
– 36 –
3
1
L
L R R
3 5 26
24
A/D
D/A
CONVERTER
CONVERTER
1
IC1701
UDA1347
AD/DA
CONVERTER
MECHANISM
+4.75~5.25V
IC1601
M56788FP
MOTOR DRIVER
12
15 10
M
M903
LOADING MOTOR