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XL-HP434 (serv.man5). Diagrams - Sharp Audio Service Manual (repair manual). Page 4

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XL-HP434H
4 – 4
+5V
+5V
+3.3V
+3.3V
+
+
-
-
M
M
SPIN/SLED DRIVER
REGULATOR
VOLTAGE
SI3033LUS
IC6
MDATA15
MDATA12
MDATA11
MDATA8
ADRS8
ADRS4
ADRS3
ADRS0
DRASB
DWEB
MDATA7
MDATA4
MDATA3
MDATA0
DCASLB
DCASUB
D0EM
VCC
VCC
VCC
ADRS0
ADRS7
ADRSB
WEB
RASB
MDATA15
MDATA8
MDATA7
MDATA0
OEB
CASUB
CASLB
DVDD6
DVDD5
DVDD4
DVDD3
DVDD2
DVDD1
INTB
CMDOUT
FSYNC
X1
X2
RESET
CE
CL
SYS-DI
FSYNC
MP3
D
O
INTB
XL2
Q5
Q4
Q3
MICROCOMPUTER
SPINDLE
SLED
M2A
M1A
MOTOR
MOTOR
PICKUP-IN
SW1A
MP3 DECORDER
LC78683E
IC3
LRSY
ADDATA
ADBCK
ADLRCK
C2FIN
CKIN(16M)
CKOUT
DATAIN
DATACK
IC4
L8316V35
IC2
LA6261
IC5
IXA006AW
SYS-CE
SYS-CL
SYS-DO
AVDD
VDD
VDD
FOCUS/TRACKING
4.19MHz
D-RAM
28
33
34
21
24
31
32
4
3
1
35
13
11
15
17
2
36
6
5
27
9
10
19
23 22
20
25
19
18
11
10
30
12
14
29
17
43
15
16
1
44
28
26
27
9
23
24
37
2
1
3
29
30
31
23
44
39
1
6
22
53
50
30
33
40
23
42
60
41
2
5
7
10
43
40
38
35
28
24
21
18
16
15
76
75
32
69
62
14
20
22
52
10
12
8
6
43 44 45 68 61 51 31 21 11 77 73 66
80
9
79
7 5 4 3 2 1
MO_B-
MO_B+
MOT_A+
MOT_A-
VIN4
VIN3
VIN1
VIN2
VO4+
VO4-
VO3+
VO3-
PVCC1
SVCC
PVCC2
REGOUT
VO1-
VO1+
VO2-
VO2+
Figure 4-4 BLOCK DIAGRAM (4/4)
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