Samsung WC-M15i Series Service Manual page 134

Controller Diagram(11/11)
DATA(24:31)
VCC
R42
10K
USBCS
R27 0
EIRQ0
ADDR(14)
USB_RST*
C30 C48 C18
33pF
100pF 100pF
Samsung Electronics
VCC
R8
10K
U7
6 22
*DACK VCC1
5
DRQ C32
100nF
8
DATA(24)
D0-SO
DATA(25) 9
D1
10
DATA(26)
D2
11
DATA(27)
D3
12
DATA(28)
D4
13
DATA(29)
D5
14
DATA(30)
D6
15
DATA(31)
D7
20
D-
25
MODE0
24
MODE1
19
D+
18
V3.3
1
*CS
2
*RD
3
*WR_SK
4
INTR
7
A0-ALE-SI
16
*RESET
28
CLKOUT
26 17
XIN GND1
27 21
XOUT GND2
23
GND3
USBN9602-28M
U3-1
74ACT32SCX
3
C15
100pF
U3-2
74ACT32SCX
6
C16
100pF
VCC
LF4
SCF451832-223T
R9
10
3 1
R28
C19
C29
2
10uF
150pF
1K
16V
R48
1K
R29
68
C23
10pF
VCC
LF2
SCF451832-223T
3 1
C5
2
33uF
10V
R31 20
R51 20
R52 1.5K
C62 C31
10uF
100nF
16V
VCC
14
1
2
U3-4
7
74ACT32SCX
4
13
4 11
12
5
U6
FS741
R200
8 1
R201 1M
VCC XIN
39
7 2
VI XOUT
6 3
VO REF
R11
2K
5 4
GND LF
C22 C21 C20 C4
22pF 22pF 22pF
100pF
VCC
3 3
R16
D2 D3
470
DA204K DA204K
2 1 2 1
R17
0
USBCS
VCC
U9-2 WR*
74F04SC C3
100nF
3
ADDR(15)
IOCS0
RD*
Y1
MA-506,48MHz
4 3
1 2
C221
150pF
B14
1uH
3216
Schematic Diagrams
CN2-1
787780-1
1
B6
2
B8
3
B7
4
U3-3
74ACT32SCX
10
8
9
8-17