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19" LCD Color Monitor
7. Schematic
7.1 Main Board
U201
1
A0
VCC
2
A1
WP
3
A2
SCL
4
GND
SDA
M24C02WMN6
GND
VGA_5V
+5V
3
D210
1
2
BAV70
2006/04/28 Write protect
by jc chen
R248
10K
1/16W
C214
0.1uF/16V
GND
U202
1
8
A0
VCC
2
7
A1
WP
3
6
A2
SCL
4
5
GND
SDA
M24C02WMN6
GND
CN201
RX2-IN
26
1
A_GND
T2-
2
RX2+IN
T2+
3
SGND
4
1005/08/13 Change to HDCP
T4-
5
T4+
6
SCL_IN_DVI
DDCCLK
7
SDA_IN_DVI
DDCDAT
8
A_VSYNC
9
RX1-IN
T1-
10
RX1+IN
T1+
11
SGND
12
DVI_5V
T3-
13
R201 10K
1/16W
ZD201
T3+
14
UDZS5.6B
+5V
15
GND
HOT_PLUG
16
HPD
17
RX0-IN
GND
T0-
RX0+IN
18
T0+
19
SGND
20
T5-
21
T5+
22
SGND
23
RXC+IN
TC+
24
RXC-IN
TC-
C1
A_RED
C2
2006/04/28 Change to HDCP
A_GREEN
C3
by jc chen
A_BLUE
C4
A_HSYNC
C5
Q206
A_GND
25
PMBS3904
R251
A_GND
HDCP_RST
(3)
4.7K
1/16W
JACK
R219
DVI_5V
+5V
4.7K
1/10W
GND
GND
GND
D209
BAV70
DVI_HPD
R210
220
1/16W
ZD202
D_DDC_5V
UDZS5.6B
C209
0.1uF/16V
GND
R212
R213
GND
4.7K
1/10W
R211
4.7K
1/16W
1005/08/13 Change to HDCP
10K
1/16W
8
R215
7
33
1/16W
6
5
R216
+5V
33
1/16W
1
Q201
G
2
DVI_EDID_WP (3)
3
D
S
2N7002E
2005/04/22 Write protect
ZD207
UDZS5.6B
CN202
2006/04/28 Change to HDCP
DB15
R226
R227
GND
11
1
by jc chen
6
4.7K
1/16W
4.7K
1/16W
12
2
7
HS_in
13
3
R259
8
SDA_IN_VGA
VS_IN
14
4
9
33
1/10W
15
5
10
R260
SCL_IN_VGA
ZD208
33
1/10W
UDZS5.6B
GND
1005/08/13 Change to HDCP
Pins 6/7/8 are R/G/B
return lines resp.
R243
0
1/16W
FB204
430 OHM
ZD210
ZD211
UDZS5.6B
UDZS5.6B
2005.05.20 FOR NMV Issue
GND
R202
R203
R204
R205
R206
R207
D201
D202
D203
D204
D205
D206
D207
BAV99
BAV99
BAV99
BAV99
BAV99
BAV99
BAV99
GND
SCL_IN_VGA
SDA_IN_VGA
SCL_IN_DVI
R256
33
1/16W
DDC_SCL_DVI (3)
SDA_IN_DVI
R257
33
1/16W
DDC_SDA_DVI (3)
ZD203
ZD204
2005/09/13 ADD C228-C233 33P FOR EMI
UDZS5.6B
UDZS5.6B
GND
+5V
2005/04/22 C221,C222 FOR ESD
C219
0.1uF/16V
C222
+5V
C221
+5V
GND
0.1uF/16V
D211
GND
0.1uF/16V
D212
GND
D213
0522 ESD SOLUTION
BAV99
BAV99
BAV99
VGA_5V
R242
10K
1/16W
Rin
0522 ESD SOLUTION
2006/04/28 modified
Gin
by jc chen
Bin
ZD213
ZD214
ZD215
R233
R234
NC
NC
NC
75
1/16W
75
1/16W
ZD212
UDZS5.6B
GND
R237
220
1/16W
VGA_PLUG
AGND
GND
ZD209
UDZS5.6B
GND
R238
220
1/16W
(8 mil)
R239
220
1/16W
R241
R240
C217
C218
22pF
22pF
2.2K
1/16W
2.2K
1/16W
17
10
1/16W
RX2-
(3)
10
1/16W
RX2+
(3)
DVI_HPD
R217
22K
1/16W
VGA_PLUG
R218
33K
1/16W
10
1/16W
RX1-
(3)
10
1/16W
RX1+
(3)
10
1/16W
RX0-
(3)
10
1/16W
RX0+
(3)
R208
10
1/16W
RXC+
(3)
R209
10
1/16W
RXC-
(3)
D208
BAV99
+5V
C201
0.001uF
2006/04/28 Change to HDCP
by jc chen
R249
33
1/10W
DDC_SCL_VGA (3)
R250
33
1/10W
DDC_SDA_VGA (3)
C228
33pF
C230
33pF
GND
GND
FB201
(10 mil, ┰キ︽絬)
0.047uF
R220
75
1/16W
C210
RED+
(3)
0.047uF
60 OHM
R222
100
1/16W
C211
RED-
(3)
FB202
0.047uF
R223
75
1/16W
C212
GREEN+
(3)
0.047uF
60 OHM
R224
100
1/16W
C213
GREEN-
(3)
FB203
0.047uF
R229
75
1/16W
C215
BLUE+
(3)
0.047uF
60 OHM
R230
100
1/16W
C216
BLUE-
(3)
R235
75-ohm terminating resistor
75
1/16W
very close to the VGA
conn.
AGND
GND
VS
(3)
HS
(3)
COMPAQ W19Q
+3.3V_VDD
R214
10K
1/16W
CABLE_DET
(3)
C220
0.1uF/16V
GND
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