Samsung ML-4600/XET Service Manual page 97

Schematic Diagrams
Main Circuit Diagram(9/9)
DRAMD(24:31)
DRAMD(24)
DRAMD(25)
DRAMD(26)
DRAMD(27)
DRAMD(28)
DRAMD(29)
DRAMD(30)
5V
DRAMD(31)
R135
10K
IOCS4*
DRAMOE*
DW*
EIRQ2*
DRAMA(11)
R128 0
USB_RST*
CLK_48M
C189 C103
1nF 33pF
5V
F6
STS104B
1
2
Samsung Electronics
5V
R126
10K
C162
C124
22uF
100nF
16V
5V
R109
68
3
8 5
C129
VCC OUT
100nF
OSC3
C45
48MHZ
39pF
NC GND
1 4
R131 2.2K
C185
C187
22pF
100pF
5V
F13
STS104B
3 1
2
R133
1.5K
C54
10uF
16V
5V 5V
R129
0
R122 R123
1K 1K
C184
10uF
16V
C186
100nF
R130 68
R127
4.7K
5V
2 1 2 1 2 1
3 3 3
D3 D2 D9
R118
R117
C55 C104
22pF 22pF
5V
F14
STS104B
1 3 R125 10
2
R132 27
CLK_48M
C188
47pF
B16
27
1
CN7-1 787780-1
2
CN7-2 787780-1
27
3
CN7-3 787780-1
4
CN7-4 787780-1
B15
C168
22uF
16V
10-9