Sharp DM-1500, Service Manual

Page: 133 / 188

1
1
2
2
3
3
4
4
E E
D D
C C
B B
A A
USTB_ UAUTOFD_ USLCTIN_ UINIT_ UPARAD7 UPARAD6 UPARAD5 UPARAD4 UPARAD3 UPARAD2 UPARAD1 UPARAD0
UBUSY UACK_ USLCT
UFAULT_
UPE
VBUS DPLS
USB-EN_
DMNS
3.3V
3.3V
3.3V
3.3V
3.3V
0.1u
C654
0.1u C658
0.1u
C656
0.1u
C652
10k
R960
SBO-02SAN L509
10k R796
24
R792
24
R793
24C16 IC523
12.00MHz
X502
15p
C680
USS-725
IC524
0.1u
C670
0.1u C678
1.5k R788
0J R794
JUMPER2 J505
0.1u
C679
0.1u
C653
0J R795
JUMPER2 J504
0.1u
C671
0.1u
C657
15p
C681
8
VCC
7
TEST
6
SCK
5
SDA
4
GND
3
A2
2
A1
1
A0
2
1
30
PLH
29
HLH
28
PDATA1[0]
21
PDATA1[0]
17
PDATA1[2]
47
CLKSEL0
46
CLKSEL1
44
16BIT
11
PDATA1[3]
32
GND
41
DMNS
40
DPLS
23
GND
6
PDATA1[4]
24
Vdd
64
PDATA1[5]
22
Vdd5
62
PCONTROL[1]
31
PDATA0[0]
27
PDATA0[1]
12
GND
43
GND
61
PCONTROL[2]
26
/ACK
45
Vdd
20
PDATA0[2]
60
PDATA1[6]
13
Vdd5
16
PDATA0[3]
19
BUSY
25
/INIT
42
VssA
15
SELECT
39
VddA
8
Vdd
18
/AUTOFD
55
PCONTROL[3]
5
GND
14
/STROBE
10
PDATA0[4]
38
Vdd
54
PCONTROL[4]
9
/FAULT
34
SUSPEND
53
PDATA1[7]
52
SCL
4
Vdd5
1
PCONTROL[0]
7
/SLCTIN
51
SDA
63
PDATA0[6]
50
SELF_POWERED
37
CLK_HI
59
Vdd5
3
PDATA0[5]
36
CLK_LO
35
GND
58
PDATA0[7]
33
/USB_RESET
57
Vdd
56
GND
49
RESET
2
PE
48
Disable1284
(3-2E) (3-2E) (3-2E) (3-2E) (3-2E) (3-2E) (3-2E) (3-2E) (3-4E) (3-4E) (3-4E) (3-4E) (3-3E) (3-4E) (3-4E) (3-4E) (3-4E) (3-1C.3-4E)
*1
(7-1C) (7-1C) (7-1C)
*1;R794
is
NOT
mounted
NOTE
PCL8 (USB to 1284 Br
idge)
DM-1505
12 – 17