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ViewSonic Corporation
Confidential - Do Not Copy
VG921m-4
72
Model
Title
Date
Rev:
ViewSonic Corporation
Closed to MCU
DGND
MCU_RESET
MCU_VCC
MCU_VCC
IICSCL
IICSDA
IICSDA
MCU_RESET
IICSCL
MCU_VCC
MCU_VCC
DVII_DETECT
DVI_POWER
VOLUME
DGND
DOWN
MENU
POWER
VGA5V_1
LED1
DDC2_SCL
DDC1_SCL
UP
DGND
ONPANEL_5V
5DVCC
RESET_MCU
RTD_SCSB
3.3DVCC
INVON
RTD_SCLK
STBY
EXIT
DSUB_DETECT
LED2
DDC1_SDA
MUTE
MCU_VCC
3.3DVCC
MCU_VCC
Y2
24MHz
R151
10K
R152
6.8K
MTV512MG
RTD2120L Optional
U5
MTV512
44
45
46
47
48
1
2
3
4
8
15
16
17
41
40 39
38 37 36 35 34
33
32
28
29
20
21
22
23
24
25
26
27
5
9
10
11
12
13
14
6
P5.0/DA0
P5.1/DA1
P5.2/DA2
P5.3/DA3
P5.4/DA4
P5.5/DA5
HSCL2/P5.6
HSDA2/P5.7
RS
T
HDA1/TX/P3.1
XTAL
2
XTAL
1
VSS
VC
C
P1
.0
P1
.1
P1
.2
P1
.3
P1
.4
P1
.5
P1
.6
P1
.7
NC
VSYNC
NC
P6.0/AD0
P6.1/AD1
P6.2/AD2
P6.3/AD3
P6.4
P6.5
P6.6/CLK0
P6.7
HCL1/RX/P3.0
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P7.6/CLKO
P7.7
NC
C125
10pF
R149 100
+
C123
100uF
U4
X24C16 (SMD)
8
5
6
4
7
3
2
1
5DVCC
SDA
SCL
GND
TEST
A2
A1
A0
Q11
2N3906
1
2
3
R142
4.7K
R148 100
+
C122
10uF_16V
R146 100
R138
100
Ω
RP1
472_4
1
8
2
7
3
6
4
5
R147 100
R141 0
Q10
2N3906
1
2
3
R139
4.7K
R150
10K
D28
1N4148
1
2
R143
NC/4.7K
R140
100
Ω
C121
100nF
C126
10pF
D29
1N4148
1
2
D27
1N4148
1
2
R144
4.7K
C124
100nF
RP3
472_4
1
8
2
7
3
6
4
5
R137
4.7K
RP5
472_4
1
8
2
7
3
6
4
5
RP4
472_4
1
8
2
7
3
6
4
5
D30
1N4148
1
2
R136
4.7K
RP2
472_4
1
8
2
7
3
6
4
5
R145 NC/4.7K
D26
1N4148
1
2
RP6
472_4
1
8
2
7
3
6
4
5
SDIO1
RTD_SD3/SDI
SDIO0
DDC2_SDA
SDIO2
Содержание VG921m-4 VS11369
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Страница 48: ...ViewSonic Corporation Confidential Do Not Copy VG921m 4 45 Setp4 3 Check the DDC...
Страница 56: ...ViewSonic Corporation Confidential Do Not Copy VG921m 4 53 16 Take off the bezel...
Страница 78: ...ViewSonic Corporation Confidential Do Not Copy VG921m 4 75 11 PCB Layout Diagrams...
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