Schematic Diagram; Main Board - Dell 1907FPc Service Manual

6. Schematic Diagram

6.1 Main Board

CN201
26
A_GND
DDCCLK
DDCDAT
A_VSYNC
A_GREEN
A_HSYNC
25
A_GND
JACK
R212
U201
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
M24C02WMN6
GND
VGA_5V +5V
3
1 2
R244
10K
C214
0.1uF/16V
GND
U202
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
M24C02WMN6
GND
RX2-IN
1
T2-
RX2+IN
2
T2+
3
SGND
4
T4-
5
T4+
6 SCL_IN
SDA_IN
7
8
9 RX1-IN
T1-
10 RX1+IN
T1+
11
SGND
12 DVI_5V
T3-
13 R201 10K 1/16W ZD201
T3+
14
+5V
15
GND
16 HOT_PLUG UDZS5.6B
HPD
RX0-IN
17 GND
T0-
RX0+IN
18
T0+
19
SGND
20
T5-
21
T5+
22
SGND
RXC+IN
23
TC+
RXC-IN
24
TC-
C1
A_RED
C2
C3
A_BLUE
C4
C5
A_GND
R210 DVI_HPD
220 1/16W
ZD202
UDZS5.6B
DVI_5V +5V
GND
GND
D209
BAV70
R211 R213
C209
0.1uF/16V
GND
SCL_IN
R215 220 1/16W
DDC_SCL_DVI (3)
SDA_IN
R216 220 1/16W
DDC_SDA_DVI (3)
ZD203 ZD204
UDZS5.6B
UDZS5.6B
GND
+5V
1
D210 Q201
BAV70 G R228 220 1/16W
2
DVI_EDID_WP
3 D S
(3)
2N7002E
8/16
1/16W
(3) DDC_SDA_VGA
ZD207
R226 R227
4.7K 1/16W
GND
DDC_SDA_A
R232
220 1/16W
DDC_SCL_A ZD211
ZD210
UDZS5.6B
UDZS5.6B
(3) DDC_SCL_VGA
GND
D201 D202 D203 D204 D205
BAV99 BAV99 BAV99 BAV99 BAV99
GND
C222 +5V C221
0.1uF/16V 0.1uF/16V
GND GND
D211
VGA_5V BAV99
R242
4.7K 1/16W
CN202
DB15
11 1 Rin
6
12 2 Gin
7
HS_in 13 3 Bin
8
VS_IN 14 4
9
15 5 R237 220 1/16W
10
ZD208 ZD209
ZD212 UDZS5.6B
UDZS5.6B UDZS5.6B
Pins 6/7/8 are R/G/B
GND
return lines resp.
GND GND
GND
R243 0 1/16W
FB204
(8 mil)
430 OHM
R240 C217 R241
2.2K 1/16W 22pF 2.2K 1/16W
30
R202 10 1/16W
RX2-
R203 10 1/16W
RX2+
R204 10 1/16W
RX1-
R205 10 1/16W
RX1+
R206 10 1/16W
RX0-
R207 10 1/16W
RX0+
R208 10 1/16W
RXC+
R209 10 1/16W
RXC-
D206 D207 D208
BAV99 BAV99 BAV99
+5V
+3.3V_VDD
R214
C201
1000pF 10K
DVI_HPD R217 22K 1/16W
VGA_PLUG R218 33K 1/16W
+5V C219 +5V
0.1uF/16V C220
0.1uF/16V
GND D213 GND
D212
BAV99
BAV99
FB201
(10 mil, ┰キ︽絬)
R220 C210
75 1/16W
60 OHM R222 C211
100 1/16W
FB202
R223 C212
75 1/16W
60 OHM R224 C213
100 1/16W
FB203
R229 C215
75 1/16W
60 OHM R230 C216
100 1/16W
VGA_PLUG
R233 R234 R235
75 1/16W
75 1/16W 75 1/16W 75-ohm terminating resistor
very close to the VGA
conn.
GND
R238 220 1/16W
VS (3)
R239 220 1/16W
HS (3)
Dell 1907FPc
C218
22pF Title
Input Connectors
Size Document Number
Date: Monday, November 14, 2005 Sheet
Dell 1907FPc
(3)
(3)
(3)
(3)
(3)
(3)
(3)
(3)
1/16W
CABLE_DET (3)
0.01uF
RED+ (3)
0.01uF
RED- (3)
0.01uF
GREEN+ (3)
0.01uF
GREEN- (3)
0.01uF
BLUE+ (3)
0.01uF
BLUE- (3)
Rev
E
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