Samsung ML-6050 Service Manual page 134

Controller Diagram(7/10)
Samsung Electronics
U35-3
5 6 VCC
E2PROM_DI
74F14
U35-4
9 8
E2PROM_SK
74F14
E2PROM_DO
U35-5
11 10
E2PROM_CS
74F14
VCC
C184
0.1UF
LED(1)
LED(2)
LED(3)
LED(4)
PANEL_KEY
C147 C359 C146 C145
1NF 1NF 1NF 1NF
RXD
TXD
VCC
R53
U12
1K
3 8
DI VCC
4
DO
C46
2
SK
6
0.1UF
NC1
7
NC2
1 5
CS GND
93C66G
VCC VCC LF10
FILTER_150PF
1 3
2
C355
R149
0.1UF
1K
R124 0
J2
R123 0 1
2
R122 0
3
4
R291 0
5
6
R120 180
7
CONN7
C144
1NF
VCC
J8
1
2
3
4
CONN4
(N.A)
Schematic Diagrams
8-13