Sharp MD-E9000H Service Manual page 39

HEAD
+B7
(+4.75 ~ +5.25V)
66 57 ~ 59
DIN
26
IC1201
LR37816
32
ENDEC/ATRAC
2
74
XL1201
(33.8688MHz)
70
HEAD
+B7
IC1300/IC1301/IC1302
HEAD DRIVER
RECEIVING
MAGNET HEAD
ERROR SIGNAL
(RECORD)
MD PICKUP UNIT
M
M901
SPINDLE
MOTOR
M902
SLED
MOTOR
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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
MECHANISM
+B7
(+4.75 ~ +5.25V)
~
12 20 21 31 34 70
IC1401
IX0410AW
99
MD SYSTEM
62
MICROCOMPUTER
16
29
4MBIT D-RAM
5
29
42
36
5 13
IC1101
IR3R58M
RF SIGNAL
29 40
PROCESSOR
+3.2V
LIGHT LIGHT
RECEIVING
SECTION SECTION
RF
M
Figure 39 BLOCK DIAGRAM (2/4)
– 39 –
CN1501
8
IC1402
58X2402T
EEPROM
6
+3.2V
IC1202
IX2474AF
9 11 15
+3.2V
IC1802
+2.6V +3.2V
XC62FP26
3
2
REGULATOR
IC1601
M56788FP
MOTOR DRIVER
15 10
MD-E9000H
L R L R
3 5 26 24
IC1701
7
UDA1345
10
AD/DA CONVERTER
23
25
2
18 19
REGULATOR
Q1804
IC1801
XC62EP32
3
REGULATOR
MECHANISM
+B7
12
M
M903
LOADING
MOTOR