ViewSonic VG1930wm-3 Service Manual page 80

VCC5V
R84 R85
CN11
10K 10K
1
2
3
4
JWT-A2001WV2-04/NC
4
4
R86 100
4 SDA_A
R87 100
4 SCL_A
VCC5V
4 B+
4 B-
4 G+
4 G-
R88 R89
4 R+
4 R-
10K 10K
4 CLK+
4 CLK-
R90 100
4 SDA_D
R91 100
4 SCL_D
AVDD
VCC3.3
U8
+5V
8
VDD
C60
7
HOLD#
3
WP#
0.1uF
4
VSS
TC19
PM25LV010
10uF/16V
R107
C63
10K 0.22uF C64 22pF
C65 22pF
C_VCC
R115 1K/NC
R118
1K/NC
R121 3K3/NC
Q12
BUZ_CPU
1
2N3906/NC
R30 0/NC
BUZ_ON
BZ1
-
BUZZER
ViewSonic Corporation
VDVI VMPLL AVDD VDDP VDDC
VPLL
U7
23
4 RIN
RIN0P
22
4 GNDR
RIN0N
20
4 GIN
GIN0P
19
4 GNDG
GIN0N
21
4 SOG
SOGIN0
18
4 BIN
BIN0P
17
4 GNDB
BIN0N
27
HSYNC
HSYNC0
28
VSYNC
VSYNC0
30
DDCA_SDA/RS232_TX
31
DDCA_SCL/rs232_RX
3
RX2P
4
RX2N
6
RX1P
7
RX1N
9
RX0P
10
RX0N
12
RXCKP
13
RXCKN
100
DDCD_SDA
1
DDCD_SCL
R92 390 1%
15
REXT
TSUM56AL/TSUM16AL
26
REFP
C58
1uF
25
REFM
GPIO_P15/PWM0
PWM2/GPIO_P24
2 37
SDO SDO GPIO_P27/PWM1
1 38
CE# SCZ
6 39
SCK SCK PWM1/GPIO_P25
5 40
SDI SDI
GPIO_P00/SAR1
GPIO_P01/SAR2
GPIO_P02/SAR3
84
RST
PWM0/GPIO_P26
96
XIN
GPIO_P16/PWM2
X1
14.318MHZ
97
XOUT
80
BYPASS
C67
GPIO_P10/I2C_MCL
0.1uF
GPIO_P11/I2C_MDA
52
MODE[0]
53
MODE[1]
R113 R114
10K
10K
VCC3.3 VCC3.3
C68
0.1uF
R124
R122 0/NC
R125
VCC3.3
10K
10K
R123 0/NC C_VCC
VCC5V
77
Confidential - Do Not Copy
C45
5,6
0.1uF
81
VCTRL VCTRL 6
PA0
54
LVA3P
PA1
55
LVA3M
PA2
58
LVACKP
PA3
59
LVACKM
PA4
60
LVA2P
PA5
61
LVA2M
PA6
62
LVA1P
PA7
63
LVA1M
PA8
64
LVA0P
PA9
65
LVA0M
PA[0..9]
PA[0..9] 5
PB0
67
LVB3P
PB1 PB[0..9]
68
PB[0..9] 5
LVB3M
PB2
69
LVBCKP
PB3
70
LVBCKM
PB4
71
LVB2P
PB5
72
LVB2M
+5V
PB6
73
LVB1P
PB7
74
LVB1M
PB8
77 +5V 3,4,6
LVB0P
PB9
78
LVB0M
R93
36
NC
10K
45
NC
46
NC
R94 20K
5 VCC_TEST&ODCTRL
41
GPIO_P23
ENHANCE
42 C59
0.1uF
GPIO_P22
100
HPD_CTRL4
35 R142
DET_VGA 4
POWER
R95 100
47
48
on_PANEL 6
85
on_BACKLIGHT 6
GPIO_P12
86
adj_BACKLIGHT 6
87
RSTN
R101 100 KEY1
88
R102 100 KEY2
89
Revised by worry
R104 100/NC BUZ_CPU
90
HDCP_SDA
R132 100
R105 1K
91
GPIO_P06
R106 1K
92
GPIO_P07
93
Volume 3
94
GPIO_P13 AUDIO_MUTE 3
MUTE
95
GPIO_P14
99
DET_DVI 4
R133 0R
VCC3.3
HDCP_SCL
Revised by worry
C66
0.1uF
R108 R109
U9
10K 10K
8
VCC
7
WP
44 R111 100 6
SCL
R112 100
43 5
SDA
VCC3.3
VCC3.3
R116
3.9K
R110
10K CN12 KEY2 UP
POWER
12
LED_A
11
LED_G
R119
10
DOWN
C70 D30
9
1.5K
UP
8
MENU
7 0.1uF
3.6V
AUTO
6
AUTO
5
C_VCC C16
4
BUZ_ON
3
0.1uF
MUTE
2
ENHANCE
1
Swap the pin
VG1930wm-3
VDDP
VCC3.3
FB4
6 VCC1.8
VCC3.3
600 OHM
FB5
600 OHM
C49 C50 C51 C52
+
TC14
0.1uF 0.1uF 0.1uF 0.1uF
10uF/16V
VCC3.3 FB6 AVDD
5,6 VCC3.3 5,6 VCC3.3
600 OHM
+ C53
TC15
10uF/16V 0.1uF
VCC3.3 FB8 VMPLL
5,6 VCC3.3 5,6 VCC3.3
600 OHM
C56
+
TC17
0.1uF
10uF/16V
VCC3.3
R96
R98 R99
10K
10K 330
R103 47 LED_G
C62 1
Q11
0.1uF
1
MMBT3904L
VCC3.3
24C16
1
A0
2
A1
3
C87
A2
4 NC/0.1uF
GND
U12
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
VCC3.3 NC/24C04
HDCP Key (288Bytes)
R140 NC/0
R117
3.9K
KEY1 DOWN
R120
D29
1.5K
C69
0.1uF
3.6V
MENU
C17
0.1uF
VCC1.8 FB3 VDDC
600 OHM
C46 C47 C48
TC13
+
0.1uF 0.1uF 0.1uF
4.7uF/50V
VCC3.3 FB7 VDVI
600 OHM
C54 C55
+
TC16
10uF/16V
0.1uF 0.1uF
VCC3.3 FB9 VPLL
600 OHM
C57
+
TC18
10uF/16V 0.1uF
VCC3.3
R97
330
R100 47 LED_A
C61
Q10
0.1uF
MMBT3904L
Revised by worry
R134 NC/10K
R135 NC/10K
R136 NC/100 HDCP_SCL
R137 NC/100 HDCP_SDA
R138 NC/10K
JP?/NC1
R139 NC/0
1
2
3
ViewSonic Corporation
Model
SCALER
Title
Date Rev: