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R409
30K 1/16W
\
R1.8DVCC
R1.8DVCC
Closed to Scaler
Voltage to 2.2V (if use
5V the R 25K and 20K;
3.3Vuse 15K and 30K )
W hen RTD2333, R403= NC/R404 =
0;
Otherwise, R403 = 0/R404 = NC
Closed to Crystal
C408
0.1uF
C409
0.1uF
XO
XI
DGND
C403
0.1uF
C405
0.1uF
C404
0.1uF
Q401
PMBS3906
R424
0 1/16W
\
R423
0 1/16W
\
R422
0 1/16W
\
R419
0 1/16W
\
R417
0 1/16W
\
R416
0 1/16W
\
R426
0 1/16W
\
R425
0 1/16W
\
ADC_GND
22
ADC_VDD
21
B0+
23
B0-
24
ADC_GND
37
SOG0
25
G0+
26
G0-
27
ADC_VDD
38
R0+
28
R0-
29
B1+ / V6
31
AHS1 / V0
39
AVS1 / VCLK
40
TMDS_TST / PWM0 / TCON2
5
TMDS_GND
10
TMDS_VDD
7
REXT
6
TMDS_VDD
13
RX2P
8
RX2N
9
TMDS_GND
16
RX1P
11
RX1N
12
RX0P
14
RX0N
15
RXCP
17
RXCN
18
XO
127
XI
128
DPLL_GND
126
DPLL_VDD
125
APLL_VDD
2
PLL_TEST1 / TCON0 / TCON3
3
PLL_TEST2 / TCON1 / TCON12
4
APLL_GND
1
VCCK
47
GNDK
46
PVCC
59
PVCC
72
PVCC
83
PVCC
95
PVCC
108
PGND
60
PGND
71
PGND
84
PGND
96
PGND
107
DDCSCL1 / TCON4
50
DDCSDA1 / TCON9
51
SCLK / TCON3
57
SDIO[3] / TCON0
55
SDIO[2] / TCON11
54
SDIO[1] / TCON7
53
SDIO[0] / TCON13
52
PWM1 / TCON0 / COUT
48
BJT_B
58
BB3P/BBLU7
61
BB3N/BBLU6
62
BB2P/BBLU5
63
BB2N/BBLU4
64
BB1P/BBLU3
65
BB1N/BBLU2
66
BCLKP/BGRN7
67
BCLKN/BGRN6
68
BG3P/BGRN5
69
DDCSCL2 / VCLK / TCON4
121
DDCSDA2 / V7 / TCON6
120
BG2P / TXE3+
73
BG2N / TXE3-
74
BG1P / TXEC+
75
BG1N / TXEC-
76
BR3P / TXE2+
77
BR3N / TXE2-
78
BR2P / TXE1+
79
BR2N / TXE1-
80
BR1P / TXE0+
81
BR1N / TXE0-
82
AB3P / TXO3+
85
AB3N / TXO3-
86
AB2P / TXOC+
87
AB2N / TXOC-
88
AB1P / TXO2+
89
AB1N / TXO2-
90
ACLKP / TXO1+
91
ACLKN / TXO1-
92
AG3P / TXO0+
93
AG3N / TXO0-
94
AG2P
97
AG2N
98
AG1P
99
AG1N
100
AR3P
101
AR3N
102
AR2P
103
AR2N
104
AR1P
105
SDIO[2] / V3 / TCON5
114
SDIO[3] / V4 / TCON9
115
SCSB / V5 / TCON7
118
SCLK / V6 / TCON3
119
TCON9 / PWM0
122
RESET_OUT
123
33VRST_REF
124
SDIO[1] / V2 / TCON8
113
SDIO[0] / V1 / TCON10
112
AVS0
19
AHS0
20
B1- / V7
30
G1+ / V4
33
G1- / V5
32
R1+ / V1
36
R1- / V2
35
SOG1 / V3
34
SCSB / TCON12
56
PWM2 / TCON1/TCON7
49
AR1N
106
33VPNLOUT
109
TCON13 / COUT
110
V0 / TCON2/PWM1
111
VCCK
116
GNDK
117
BG3N/BGRN4
70
RTD2523B ( RSDS & LVDS )
U401
Q402
PMBS3906
+
C406
22uF/16V
RXO3-
RXO3+
RXOC-
RXOC+
RXO1-
RXO2+
RXO2-
RXO1+
RXEC+
RXE3-
RXE3+
RXO0+
1.8DVCC
R1.8AVCC
RXE2-
RXE1+
RXE0+
RXE1-
RXE0-
RXEC-
RXE2+
DGND
DGND
MCU_RST
C414
0.1uF
33VRST_REF
+
C418
10uF/16V
R1.8DVCC
R402
0 1/16W
\
M512_XOUT
R413
NC
R414
NC
C407
0.1uF
1.8DVCC
XI
XO
B1-
B1+
AHS1
DGND
AVS1
R1-
R1+
G1+
SOG1
G1-
DDCSCL1
R1.8AVCC
DGND
DDCSDA1
BJT_B
DGND
XO
1
XI
2
PLL_GND
3
AVS/VCLK
4
AHS/V0
5
B-/V1
6
B+/V2
7
G-/V3
8
G+/V4
9
SOG/V5
10
R-/V6
11
R+/V7
12
ADC_GND
13
ADC_VDD
14
PWM0/SDIO[3]
15
PWM1/DDCSCL/SCSB
16
PWM2/DDCSDA/SCLK
17
BJT_CTRL
18
VCCK
19
PGND
20
TXE3+
21
TXE3-
22
TXEC+
23
TXEC-
24
TXO2-
36
TXO2+
35
TXOC-
34
TXOC+
33
TXO3-
32
TXO3+
31
TXE0-
30
TXE0+
29
TXE1-
28
TXE1+
27
TXE2-
26
TXE2+
25
PLL_VDD
48
33VRST_REF
47
RESET_OUT
46
SCLK/PWM0
45
SCSB/PWM1/DDCSCL
44
SDIO[3]/PWM2/DDCSDA
43
VCCK
42
PGND
41
TXO0-
40
TXO0+
39
TXO1-
38
TXO1+
37
NC / RTD2023L
U403
R428 100 1/16W
\
+3.3V
R427 100 1/16W
\
DDCSDA1
DDCSCL1
R407
15K 1/16W
\
RXO0-
33VRST_REF
R3.3DVCC
RST_OUT
B1+
B1-
G1+
G1-
SOG1
R1-
R1+
AHS1
AVS1
B1+
SOG1
G1+
B1-
R1+
G1-
R1-
AHS1
AVS1
R420
NC
TMDS_VCC
+3.3V
+3.3V
C401
NC
C402
NC
R401
NC
2
X401
NC/24.576MHz
R408
4.7K 1/16W
\
FB403
600 OHM
R412
0 1/16W
\
TMDS_VCC
FB404
600 OHM
DEL R405,R406
FB405
600 OHM
DEL R418
FB401
600 OHM
FB402
600 OHM
R421
1K 1/16W
\
R431
0 1/16W
\
R434
0 1/16W
\
R433
0 1/16W
\
R432
0 1/16W
\
+3.3V
C415
0.1uF
C417
0.1uF
C416
0.1uF
+3.3V
RST_OUT
BJT_B
BJT_B
RXO3-
RXOC+
RXOC-
RXO3+
BRIGHTNESS
VOLUME
+3.3V
C421
0.1uF
C420
0.1uF
XI
XO
R430
NC
RTD_SCLK
RTD_SCSB
SDIO0
SDIO1
RTD_SD3/SDI
SDIO2
+3.3V
1.8DVCC
RXO1+
RXO2-
RXO2+
+3.3V
1.8DVCC
RXE3-
RXEC+
RXO0-
RXO1-
RXO0+
RXE2+
RXE2-
RXE3+
RXEC-
RXE0+
RXE1+
RXE1-
RXE0-
R404
NC
R403
0 1/16W
\
C419
0.1uF
RXO3+
RXO3-
RXOC+
RXOC-
RXO2-
RXO1+
RXO2+
RXO1-
R3.3DVCC
RXO0-
RXE3-
RXE3+
RXO0+
1.8DVCC
1.8DVCC
RXE2-
RXEC+
RXE2+
RXEC-
R1.8DVCC
RXE0-
RXE1+
RXE1-
RXE0+
R411
4.7K 1/16W
\
R415
4.7K 1/16W
\
C411
0.1uF
DDC_SCL
DDC_SDA
2
1
3
Q403
NC/2SB1188
3.3V_Vd
+3.3V
RTD_SD3/SDI
RTD_SCSB
RTD_SCLK
C412
0.1uF
C413
0.1uF
DGND
R410
4.7K 1/16W
\
RX1P
RX2N
RX0N
RX1N
RX0P
RX2P
RXCN
RXCP
+
C410
10uF/16V
ViewSonic Corporation
Confidential - Do Not Copy
VA712-2_ VA712b-2
63
Model
Title
Date
Rev:
ViewSonic Corporation
SCALER
Summary of Contents for VA712-2
Page 28: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 25...
Page 44: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 41...
Page 63: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 60 9 Block Diagram...
Page 74: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 71 11 5 POWER PCB TOP VIEW...
Page 75: ...ViewSonic Corporation Confidential Do Not Copy VA712 2_ VA712b 2 72 11 6 POWER PCB BUTTON VIEW...