Sharp XL-HP737 Service Manual - Page 17

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XL-HP737 IC6 SI3033LUS VOLTAGE REGULATOR 1 3 2 IC4 VHIL8316V35-1: (Serial No.40100012~40103011) VHILV1625635T: (Serial No.40203012~) D-RAM MDATA0 2 21 35 40 1 VCC 6 VCC 20 VCC MDATA3 5 MDATA4 7 MDATA7 10 DWEB 13 DRASB 14 ADRS0 16 ADRS3 19 ADRS4 22 27 D0EB 28 DCASUB 29 DCASLB ADRS8 26 MDATA8 31 MDATA11 34 MDATA12 36 MDATA15 39 80 79 9 7 5 4 3 2 1 DATACK DATAIN CKOUT CKIN(16M) C2FIN ADLRCK ADBCK ADDATA LRSY 6 23 MDATA0 8 10 30 MDATA7 12 33 MDATA8 14 40 MDATA15 IC3 20 41 RASB 42 WEB LC78683E 22 32 MP3 DECORDER 52 50 ADRSB 62 53 ADRS7 69 60 ADRS0 76 75 CASLB CASUB OEB DVDD6 DVDD5 DVDD4 DVDD3 DVDD2 DVDD1 INTB CMDOUT FSYNC 43 44 45 68 61 51 31 21 11 77 73 66 +3.3V Q3 Q4 Q5 +5V +3.3V AVDD VDD +5V VDD INTB MP3 DO FSYNC SW1A PICKUP-IN 17 15 11 13 20 19 23 22 VIN4 VIN3 VIN1 VIN2 MOT_A+ MOT_A- MO_B+ MO_B- 21 28 PVCC2 24 27 SVCC 33 9 PVCC1 34 10 REGOUT 32 31 43 17 29 14 12 30 15 SYS-CE 16 SYS-CL 18 SYS-DO 19 SYS-DI IC5 25 RESET IXA006AW MICROCOMPUTER VO3+ VO3VO4+ VO4VO1+ VO1VO2+ VO2- 1 2 35 36 5 6 3 4 IC2 CE 10 LA6261 FOCUS/TRACKING SPIN/SLED DRIVER X1 27 X2 26 28 44 37 24 23 9 CL 11 1 M M2A SLED MOTOR M M1A SPINDLE MOTOR + - +- XL2 4.19MHz Figure 4-4 BLOCK DIAGRAM (4/4) 4 - 4

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XL-HP737
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
D0EB
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 DO
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
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
27
28
29
21
35
1
6
20
53
50
30
33
40
23
42
60
41
2
5
7
10
39
40
34
36
31
26
22
19
16
14
13
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+
VHIL8316V35-1:
VHILV1625635T:
(Serial No.40100012~40103011)
(Serial No.40203012~)
Figure 4-4 BLOCK DIAGRAM (4/4)