Dell 320-7459 - S1909WXF - 19" LCD Monitor, Руководство по обслуживанию

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Service Manual
46
1. Interface board schematic
RE
D
+
SC
L_VGA
R
116
1K
R1
29
10K
DE
T-
DV
I
4
+5
V
+5
V
Z
D
101
6V2
+5
V
DA
TA
2-
R
105
75 1%
BLU
E
+
R
124
10K
U
101
AT
24C
02BN
1 2 3 4
5 6 7 8
A0 A1 A2
GN
D
SD
A SC
L WP VC
C
DV
I5
V
C
116
27p/
50V
R
113
1K
G
NDR
4
DA
TA
2+
D
104
BA
V
70
3
2
1
R
103
56 1
%
C
106
0.
047u/
16
V
D
110
BAV99
1
3
2
C
109
N
C
/
4.
7p/
50V C
C
103
0.
047u/
16
V
RIN
4
C
123
N
C
/
0.
1/
16V
R
109
100
C1
19 N
C
/
0.
1/
16V
R
108
100
R
117
2K2
DA
TA
1-
R
119
10K
DA
TA
1+
D1
14 BAV
99
1
3
2
R
107
75 1%
CL
K
-
4
R
118
2K
2
D
111
BAV99
1
3
2
Z
D
108
6V2
V
CC3
.3
G
NDB
4
DA
TA
0+
R
120
10K
R
121
47
R
130
10
GR
EEN
-
DE
T_
DV
I
DA
TA
0-
R
115
1K
D
112
BA
V
99
1
3
2
DE
T_
V
G
A
4
R
134
10
C
110
0.
047u/
16
V
BI
N
4
GR
EEN
+
C
124
N
C
/
0.
1/
16V
R
128
10K
D1
08 BAV
99
1
3
2
C
102
0.
047u/
16
V
C
101
0.
047u/
16
V
D
101
BAV99
1
3
2
C
113
N
C
/
0.
1/
16V
SOG
4
V
CC3
.3
R
137
10
U
102
AT
24C
02BN
1 2 3 4
5 6 7 8
A0 A1 A2
GN
D
SD
A SC
L WP VC
C
HP
DDV
I
C
129
N
C
/
0.
1/
16
V
C
N
102
DV
I-
D_
CO
N
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
RX
2-
RX
2+
GN
D RX
4-
RX
4+
SC
L SD
A
VS
RX
1-
RX
1+
GN
D RX
3-
RX
3+
5V
GN
D
HP
RX
0-
RX
0+
GN
D RX
5-
RX
5+
GN
D
RX
C+
RX
C-
R
123
10K
R
104
470
G
NDG
4
R
132
10
R
122
47
C
115
27p/
50V
R
131
10
C
112
N
C
/
0.
1/
16V
DCL
K
-
HP
D_
CT
RL
4
SD
A_D
V
I
D
113
BAV99
1
3
2
R
140
20K/
N
C
R
110
100
Z
D
104
6V2
VSY
N
C
4
DV
I5
V
R
125
1K
R
127
47
F
B
101
19
SD
A_D
V
I
WP
1
4
ZD1
07
6V2
Z
D
103
6V2
C
117
0.
1/
16
V
DCL
K
-
PC
5V DA
TA
0+
C
125
N
C
/
0.
1/
16V
C
104
0.
047u/
16
V
GI
N
4
G+
4
R
133
10
RE
D
-
+5
V
C
107
N
C
/
4.
7p/
50V C
F
B
102
19
R
111
10K
C
121
0.
1/
16V
CL
K
+
4
Z
D
106
6V2
R
114
10K
DV
I5
V
R
138
10
DDCA
_S
DA
4
C
120
0.
1/
16V
R
106
75 1%
DDCD
_S
CL
4
IN
PU
T
V02
S1
909W
x
C
13
Sat
urday
, M
ay
31,
2008
Ti
tle
Siz
e
D
oc
um
ent
N
um
ber
R
ev
D
at
e:
S
heet
of
C
N
101
D
Z
11AA1-H
5W
6-4F
1 6 2 7 3 8 4 9 5
11 12 13 14 15
10
17
16
C
108
0.
047u/
16
V
DCL
K
+
C
127
N
C
/
0.
1/
16V
R-
4
R
101
56 1%
HP
DDV
I
C
126
N
C
/
0.
1/
16V
HS
Y
N
C
4
Q
101
PM
BT
3904
1
3 2
DDCA
_S
CL
4
HDCP FUNCTION
DCL
K
+
C
122
N
C
/
0.
1/
16
V
D
102
BAV99
1
3
2
DV
I5
V
DDCD
_S
DA
4
SC
L_D
VI
BLU
E
-
G-
4
R
135
10
+5
V
Z
D
109
6V2
C
128
N
C
/
0.
1/
16V
B-
4
R
102
56 1
%
D
115
BAV99
1
3
2
PC
5V
DA
TA
0-
DA
TA
2-
DE
T_
DV
I
PC
5V
R
126
47
D
109
BAV99
1
3
2
D
106
BAV99
1
3
2
SC
L_D
VI
B+
4
Z
D
102
6V2
C
114
N
C
/
0.
1/
16V
C
111
N
C
/
0.
1/
16V
D
107
BAV70
3
2
1
R
139
4K7
D
103
BAV99
1
3
2
R
136
10K
C
105
N
C
/
4.
7p/
50V C
DA
TA
2+
R+
4
DA
TA
1+
Z
D
105
6V2
DV
I5
V
DA
TA
1-
F
B
103
19
FB
10
4
0