Samsung SCX-1150F Repair Manual page 60

SCHEMATIC DIAGRAMS
Main Circuit Diagram (8/8)
1
A
B
CD(0:7)
C
_AUTOFD
_SLCTIN
_ERROR
D
E
1
Repair Manual
4-8
2
5V
C195
100nF
_STB
DGND
CD(0)
CD(1)
CD(2)
HIC1
CD(3)
CD(4) SUPER1284
CD(5)
CD(6)
CD(7)
39
_ACK
BUSY
PE
SLCT
RA8
_INIT
2
3 4
RA7
_P_STB
39
_P_AUTOFD
_P_SLCTIN
_P_INIT
3 4
5 6
5V
5V
3.3V
C207 C190
100nF 100nF U26
TC74LVX4245MTCX
DGND
PD(0)
PD(1)
PD(2)
PD(3)
PD(4)
PD(5)
PD(6)
PD(7)
245DIR
3.3V
C191
100nF
U33
VOL_0
VOL_1
VOL_2
TC74LVX4245MTCX
DGND DGND
ED. 1 01.08.06 2
DATE
SIGN
C
A E
H
R N
E
P G
C
. .
K
PARALLEL PORT PART
REF NO SEC
5 6
7
A
B
PD(0:7)
3.3V
C192
100nF
C
DGND
_P_ACK
P_BUSY
P_PE
P_SLCT
_P_ERROR
VOL_00
VOL_10
VOL_20
D
E
3
D
W SCX-1150F
G
Main Board
.
REV 0.2
8/8
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