System Diagram
Service Manual
5-3
5VS
2
1
5V
S
GND
1
2
GND
LD_Power1
4
3
LD_Power1
LD_Power1
3
4
LD_Power1
Vi
deo1
_P
6
5
Vid
eo1_
P
Vi
deo2
_P
5
6
Vid
eo2_
P
Vid
eo1_
M
8
7
Vi
deo1
_M
Vid
eo2_
M
7
8
Vi
deo2
_M
nSH1
10
9
SH1
L
D_On
9
10
Enab
le
SH2
12
11
SH2
nHSYNC_
P
11
12
nHSYNC_P
nHSYNC_
N
14
13
nHSYNC_
N
LSU_CLK
13
1
LSU_CL
K
nREADY_LSU
15
2
nR
E
ADY_LSU
nL
SU_
MOT
_EN
16
3
nL
SU_MOT_EN
DGND
17
4
DGND
24
VS
18
5
24
VS
24
VS
10
1
24
VS
24
VS
9
2
24
VS
DGND
8
3
DGND
DGND
7
4
DGND
DGND
6
5
DGND
5V
5
6
5V
EN
4
7
EN
READY
3
8
READY
CLK
2
9
CLK
DIR
1
10
DIR
24
VS
1
4
24
VS
REGI_C
LUTC
H
2
3
REGI_CLUTCH
24
VS
1
5
24
VS
MP
Clutc
h
2
4
MP
Cl
ut
ch
TX
3
3
TX
DGND
4
2
DGND
Sen
s_MP
_Emp
ty
5
1
Se
ns
_M
P_E
m
pty
3.
3V
1
4
3.
3V
SDA1
2
3
SDA1
SCL1
3
2
SCL1
DGND
4
1
DGND
5V
1
3
5V
NC
2
2
NC
LSU_
5V
3
1
LSU_
5V
Inner_Tem
p1
4
1
Inne
r_
Tem
p1
DGND
3
2
DGND
Inner_Tem
p2
2
3
Inne
r_
Tem
p2
DGND
1
4
DGND
Fuser_Therm
1
2
1
Fu
se
r_
T
he
rm1
Th
ermis
to
r
1
2
Thermi
st
or
24
VS
1
1
24
VS
3.
3V
2
2
3.
3V
3.
3V
3
3
3.
3V
SC
F_RXD
4
4
S
C
F_RXD
nDetect_S
CF
5
5
nDetec
t_SCF
SCF
_TXD
6
6
SCF_TXD
DGND
7
7
DGND
DGND
8
8
DGND
9
DGND
10
DGND
11
DGND
Controller
LSU
SC
F
BL
DC
Motor
PICK-
UP
CLUTCH
&
REGI
_CLUTCH
MP
CLUTCH
&
M
P
E
MPTY
CRUM
LS
U_5
V
INNER_
TEMP
FUSER
24
VS
3
2
24
VS
Pi
ck-u
p
C
lu
tch
4
1
Pi
ck-up
Clu
tch
s
z
|
\
}
z
V~
Summary of Contents for 2355 Mono Laser
Page 1: ...Dell 2355dn Service Manual 29 Jul 2010 ...
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