Sharp MD-E9000H Service Manual page 39

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