Sharp HR-MB3 Service Manual page 23

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+B
+B
FB501
C501
7W66FU
G SWITCH
7
+B
5
4
VCC
IC502
TC7SZ32U
GND
C509
1
2
3
0.01u
R504
zCE3
0
HDD_CS0
8
Figure 6-10 SCHEMATIC DIAGRAM (10/12)
33
D3
R530
D11
R531
33
D4
R532
33
D12
R533
33
D5
R534
33
33
D13
R535
D6
R536
33
D14
R537
33
D7
R538
33
D15
R539
33
HDD_CS1
R503
10K
zRE
zWE
zINT2
+B
+B
C510
4.7u/6.3V
R508
0
HDD_RST
READY
A3
A2
HDD_DMACK
R509
0
A1
D0
R540
33
R541
33
D1
R542
33
D8
33
D2
R543
R544
33
D9
R545
33
D10
9
10
6 – 10
HEARD DISC (215)
SC500
HDD FPU UNIT (217)
COMPACT FLASH CARD
50
GND
GND
1
49
-CD1
26
48
DATA3
D03
2
47
DATA11
D11
27
46
DATA4
D04
3
45
DATA12
D12
28
44
DATA5
D05
4
43
DATA13
D13
29
42
DATA6
D06
5
41
DATA14
D14
30
40
DATA7
D07
6
39
DATA15
D15
31
38
CS0_
-CE0
7
37
CS1_
-CE1
32
36
A10
8
35
-VS1
33
34
-OE
9
33
DIOR_
-IORD
34
32
A09
10
31
DIOW _
-IOW R
35
30
A08
11
29
-WE
36
28
A07
12
27
INTRQ
RDY/BSY
37
26
VCC
13
25
VCC
38
24
A06
14
23
CSEL
-CSEL
39
22
A05
15
21
-VS2
40
20
A04
16
19
RESET_
RESET
41
18
A03
17
17
IORDY
-WAIT
42
16
DA2
A02
18
15
DMARQ
-INPACK
43
14
DA1
A01
19
13
DMACK_
-REG
44
12
DA0
A00
20
11
DASP_
BVD2
45
10
DATA0
D00
21
9
PDIAG_
BVD1
46
8
DATA1
D01
22
7
DATA8
D08
47
6
DATA2
D02
23
5
DATA9
D09
48
4
WP
24
3
DATA10
D10
49
2
-CD2
25
1
GND
GND
50
11
HR-MB3
12

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