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ViewSonic Corporation
Confidential - Do Not Copy
VX2235wm-3
41
8
.
4
.
MCU
2
3
1
C
E
B
Closed to MCU
3.3V
add net"DVI_DET" 0616
r170.r179~modify value 330R for 5mA 0627
add R189 res pull high 0630
hunk 06'0704
P6.1 change to P6.2
MCU pindefine change
P3.4 change to P6.0
P3.5 change to P6.1
1
25
P3
雙向
P5
單向
13
24
37
P6
單向
MTV512M-LQFP48
48
X1,X2
36
P1
雙向
12
ADD pull high
hunk 06'0704
ADD NET
HDCP_SCL
HDCP_SDA
HDCP EEPROM
HDCP EEPROM
R192 , R193
ADD
R190 , R191, C155 , I107
MUTE_S pin change to mcu p3.3
MUTE pin change to mcu p5.0
hunk 06'0706
RX
TX
POWER
UP
IICSCL
IICSDA
GREEN
ORANGE
RESET
RESET
ORANGE
HDCP_SDA
DOWN
LED_GREEN
LED_ORANG
POWER
MENU
UP
DOWN
LED_GREEN
LED_ORANG
SELECT
GREEN
HDCP_SCL
MENU
SELECT
MUTE
MUTE
SDA_D1
2,3
SCL_D1
2,3
SCL_D2
2,3
SDA_D2
2,3
XO_24M
3
on_BACKLIGHT
1
VOLUME
5
adj_BACKLIGHT
1
RTD_SCSB 3
RTD_SCLK 3
RTD_SD2 3
RTD_SD1 3
RTD_SD0 3
VDD_CTRL 1
DVI_HDCP 2
PC5V
2
DVI5V
2
3.3DVCC
1,3,5
RESET_MCU
3
VGA_DET0 2
VS
2
DVI_DET
2
DGND
1,2,3,5
MUTE_S
5
+5V
+5V
3.3DVCC
3.3DVCC
+5V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
VCC_MCU
VCC_MCU
VCC_MCU
R176
100
R166
2.2K
C149
100nF
D1261N4148
A
K
C140
100uF_16V
R165
2.2K
R180 10K
R182
4.7K
C148
100nF
RP01
10K_RP
1
8
2
7
3
6
4
5
I105
*24LC16
8
5
6
4
7
3
2
1
VCC
SDA
SCL
GND
WP
A2
A1
A0
R193
10K
+
C142
10uF/16V
C141
100nF
R192
10K
C153
100nF
X101
24MHz
1
2
3
C147
100nF
R161
22
R160
22
R179
820
MCU
I106
MTV512/RTD2120
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
XT
AL2
XT
AL1
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
R153
100
Q106
2N3906
B
E
C
D1251N4148
A
K
R159
10K
RP04
10K_RP
1
8
2
7
3
6
4
5
P105
1
2
3
4
5
6
7
8
9
10
R154
100
C155
NC/100nF
R170
820
R190
NC/100
I107
NC/AT24C04N-10SC
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
Q108
2N3906
B
E
C
R191
NC/100
C143
100nF
C145
10pF
C150
100nF
Q107
2N3906
B
E
C
R157
10K
R183
4.7K
R171
10K
R187
100
C146
100nF
C151
100nF
Q105
2N3906
B
E
C
C144
10pF
D1241N4148
A
K
R175
100
R181
4.7K
R162
0
R174
100
RP05
10K_RP
1
8
2
7
3
6
4
5
R156
2.2K
C152
100nF
R155
2.2K
R173
100
D127
1N4148
A
K
R167
1K
R184
4.7K
R169
10K
RP02
10K_RP
1
8
2
7
3
6
4
5
R158
10K
R172
100
R163
22
R168
6.8K
R177
100
D128
1N4148
A
K
R164
22
R178
100
RP03
10K_RP
1
8
2
7
3
6
4
5
R189
10K
RTD_SD3/SDI 3
Содержание VX2235wm-3
Страница 37: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 34 6 Troubleshooting Flow Chart...
Страница 38: ...6 1 NO POWER 6 2 MCU NO FUNCTION ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 35...
Страница 39: ...6 3 NO DISPLAY ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 36...
Страница 40: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 37 7 Block Diagram...
Страница 50: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 47 9 PCB Layout Diagrams 9 1 MAIN PCB TOP VIEW...
Страница 51: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 48 9 2 MAIN PCB BOTTOM VIEW...
Страница 52: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 49 9 3 CON PCB TOP VIEW 9 4 CON PCB BOTTOM VIEW...
Страница 53: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 50 9 5 POWER PCB TOP VIEW...
Страница 54: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 51 9 6 POWER PCB BOTTOM VIEW...
Страница 55: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 52 10 Exploded Diagram and Exploded Parts List...
Страница 56: ...ViewSonic Corporation Confidential Do Not Copy VX2235wm 3 53...