ViewSonic VA1912w-3 Service Manual page 57

U1 U1
RIN
59
RIN
GNDR 58
GNDR
GIN 56
GIN
GNDG
55
GNDG
SOG
57
SOG
BIN 54
BIN
GNDB 53
GNDB
HSYNC
63
HSYNC
VSYNC
64
VSYNC
DDCA_DAT
65
DDCA_DAT
DDCA_CLK 66
DDCA_CLK
R+
39
R+
R-
40
R-
G+ 42
G+
G- 43
G-
B+
45
B+
B-
46
B-
CLK+ 48
CLK+
CLK- 49
CLK-
DDCD_DAT
36
DDCD_DAT
DDCD_CLK
37
DDCD_CLK
R124 0603/390R/1% R124 0603/390R/1%
51
AVDD
VCC33
62
C91 C91
0603/100n/25V/7 0603/100n/25V/7 61
V5A
U2 U2
8 2 70
VDD SDO
C90 C90 WP
7 1 71
HOLD# CE#
WP
3 6 72
WP# SCK
0603/100n/25V/7 0603/100n/25V/7 4 5 73
VSS SDI
C80 C80
1206/10u/16V/X/PbF 1206/10u/16V/X/PbF GND Pm25LV512 Pm25LV512
19
32
C94 C94 0603/22p/50V/N 0603/22p/50V/N
Y1 Y1
14.31818MHz 14.31818MHz
33
GND C93 C93 0603/22p/50V/N 0603/22p/50V/N
GND
VCC33
R118 R0603/OPEN R118 R0603/OPEN
102
R119 R0603/OPEN R119 R0603/OPEN
104
GND
need to modify, the SAR is
6 bits and the max voltage
is 1.8V
PIN VOLTAGE
RIGHT 1.77V
POWER 1.24V
AUTO 0.47V
LEFT 1.77V
MENU 1.24V
TURBO 0.47V
RIGHT SR1(1.77) SR2(0.93)
+LEFT
+POWER
ViewSonic Corporation
VDVI VMPLL VPLL AVDD VDPP VDDC
C68 C68
0603/100n/25V/7 0603/100n/25V/7 C92 C92
0603/100n/25V/7 0603/100n/25V/7
GND GND
11
VCTRL
107
NC/LVACKP/NC
108
RIN0P NC/LVACKM/NC
109 FB0N
RIN0N RA1P/LVA2P/RA2
110 FB0P
GIN0P RA1N/LVA2M/RA3
FB1N
111
GIN0N RA2P/LVA1P/RA4
FB1P
112
SOGIN0 RA2N/LVA1M/RA5
113 FB2N
BIN0P RA3P/LVA0P/RA6
114 FB2P
BIN0N RA3N/LVA0M/RA7
HSYNC0
FG0N
98
VSYNC0 GA1P/NC/GA2
FG0P
99
DDCA_SDA/RS232_Tx GA1N/NC/GA3
100 FG1N
DDCA_SCL/RS232_Rx GA2P/NC/GA4
101 FG1P
GA2N/NC/GA5
FG2N
105
RX2P GA3P/LVA3P/GA6
FG2P
106
RX2N GA3N/LVA3M/GA7
RX1P
89 FR0N
RX1N BA1P/NC/BA2
FR0P
90
RX0P BA1N/NC/BA3
FR1N
91
RX0N BA2P/NC/BA4
92 FR1P
RXCKP BA2N/NC/BA5
93 FR2N
RXCKN BA3P/NC/BA6
FR2P
94
DDCD_SDA BA3N/NC/BA7
DDCD_SCL
BB0N
9
RB1P/NC/RB2
10 BB0P
RB1N/NC/RB3
15 BB1N
RB2P/NC/RB4
BB1P
16
REXT RB2N/NC/RB5
BB2N
17
RB3P/NC/RB6
18 BB2P
RB3N/NC/RB7
REFP
BG0N
2
GB1P/NC/GB2
BG0P
3
GB1N/NC/GB3
BG1N
5
REFM GB2P/NC/GB4
6 BG1P
GB2N/NC/GB5
BG2N
7
GB3P/NC/GB6
BG2P
TSUM57AK TSUM57AK 8
GB3N/NC/GB7
118 FCKP
CLKAP/LVB3P/LHSYNC
119 FCKN
SDO CLKAN/LVB3M/LVSYNC
BCKP
120
SCZ CLKBP/LVBCKP/LCK_ODD
BCKN
121
SCK CLKBN/LVBCKM/LDE
122
SDI NC/LVB2P/NC
123
NC/LVB2M/NC
BR0N
124
BB1P/LVB1P/BB2
BR0P
125
BB1N/LVB1M/BB3
BR1N
126
BB2P/LVB0P/BB4
127 BR1P
RST BB2N/LVB0M/BB5
128 BR2N
BB3P/NC/BB6
BR2P
1
BB3N/NC/BB7
80 BSTH
ESP
81 FSTH
XIN OSP
GVOFF
88
GPO0
STB
87
GPO1
86 STV
GPO2
85 CPV
XOUT GPO3
GPO51 GPO51
OE
84
GPO4
83 1
GPO5 TP
POL
82
GPO6
AUDIO_ON
75
GPIO_P22
74
GPIO_P23
26
GPIO_P03
35 R103 0603/100R/5% R103 0603/100R/5%
GPIO_P16/PWM2
R104 0603/100R/5% R104 0603/100R/5%
69
MODE[0] GPIO_P15/PWM0
78
MODE[1] PWM2/GPIO_P24 VCM_PWM
79
GPIO_P27/PWM1 PANEL_ON/OFF
20
GPIO_P12 INV_ON/OFF
21
INV_ADJ
PWM1/GPIO_P25
22
RSTN
23 SAR1 R110 0603/100R/5% R110 0603/100R/5%
GPIO_P00/SAR1
SAR2 R117 0603/100R/5% R117 0603/100R/5%
24
GPIO_P01/SAR2
25 R121 0603/100R/5% R121 0603/100R/5%
GPIO_P02/SAR3
27 LED_GL
GPIO_P06
LED_OR
28
GPIO_P07
29
PWM0/GPIO_P26
30 R105 0603/100R/5% R105 0603/100R/5%
GPIO_P13
31
GPIO_P14
VCC33
77
DDCROM_SCL
76
DDCROM_SDA
GND
VCC33
C152 C152
0805/10u/6.3V/5/open 0805/10u/6.3V/5/open R127 R127
0603/20K/1%/OPEN 0603/20K/1%/OPEN 0805/10u/6.3V/5/open 0805/10u/6.3V/5/open
GND
SAR1
R128 R128
LEFT
0603/23.2K/1%/OPEN 0603/23.2K/1%/OPEN
SAR11 SAR11
SAR21 SAR21
R200 R200 R67 R67
MENU
0603/10M/5%/RoHS/OPEN 0603/10M/5%/RoHS/OPEN 0603/12.1K/1%/OPEN 0603/12.1K/1%/OPEN
0603/10M/5%/RoHS/OPEN 0603/10M/5%/RoHS/OPEN
R134 R134
TURBO
0603/3.3K/1%/OPEN 0603/3.3K/1%/OPEN
GND
54
Confidential - Do Not Copy VA1912w-3_VA1912wb-3
VCC33
L10 L10
1 2
V33C
C55 C55
1206/10u/16V/X/PbF 1206/10u/16V/X/PbF
VCTRL
Close to respective power Pins
GND
FB0N
FB0P L11 L11
FB1N
1 2
FB1P
FB2N
FB2P
C65 C65
FG0N
1206/10u/16V/X/PbF 1206/10u/16V/X/PbF
FG0P
FG1N
FG1P
FG2N
FG2P
GND
FR0N
FR0P
FR1N
L12 L12 HCB2012KF-420T40 HCB2012KF-420T40
FR1P
1 2
FR2N
FR2P
BB0N
C74 C74
BB0P
1206/10u/16V/X/PbF 1206/10u/16V/X/PbF
BB1N
BB1P
BB2N
BB2P
GND
BG0N
VPLL
BG0P
BG1N L13 L13
BG1P
1 2
BG2N
BG2P
FCKP
C76 C76
FCKN
1206/10u/16V/X/PbF 1206/10u/16V/X/PbF
BCKP
BCKN
BR0N
Close to respective power Pins
BR0P
BR1N
GND
BR1P
AVDD
BR2N
BR2P L14 L14
1 2
BSTH
VCC33 VCC33 VCC33
FSTH
GVOFF
STB
C78 C78
STV
1206/10u/16V/X/PbF 1206/10u/16V/X/PbF
CPV
OE
V12A
POL
V5A
GND Close to respective power Pins
AUD_DET V5A
AUTO
POWER
GND
GND R120 0603/10K/5% R120 0603/10K/5%
MENU
LEFT
C88 0603/100n/25V/7 C88 0603/100n/25V/7
RIGHT
LED_GL
GND
LED_OR
VOL_ADJ
TURBO
C81 C81
0603/100n/25V/7 0603/100n/25V/7
U7 U7
AT24C16AN-10SU-2.7/RoHS AT24C16AN-10SU-2.7/RoHS
8 1
VCC A0
R1000603/100R/5% R1000603/100R/5% R102 R102
R101 0603/100R/5% R101 0603/100R/5% 7 2 0603/4.7K/0.1%/RoHS 0603/4.7K/0.1%/RoHS
WP A1
6 3
SCL A2
5 4
SDA GND
GND
VCC33
C150 C150
R137 R137
0603/20K/1%/OPEN 0603/20K/1%/OPEN
GND 0603/10n/25V/7/RoHS 0603/10n/25V/7/RoHS
SAR2 SAR2 R138 R138
RIGHT
0603/23.2K/1%/OPEN 0603/23.2K/1%/OPEN
R139 R139
POWER
R201 R201 0603/12.1K/1%/OPEN 0603/12.1K/1%/OPEN
R140 R140
AUTO
0603/3.3K/1%/OPEN 0603/3.3K/1%/OPEN
GND
C56 C56 C57 C57 C58 C58 C59 C59
0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7
VDVI
VDVI1 VDVI1
1
TP
TP TP
C66 C66 C67 C67
0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7
Close to respective power Pins
VMPLL
VMPLL1 VMPLL1
1
TP
C75 C75
0603/100n/25V/7 0603/100n/25V/7
Close to respective power Pins
VPLL1 VPLL1
1
TP
VCC18
L17 L17
1 2
V18C
C77 C77
0603/100n/25V/7 0603/100n/25V/7
C84 C84
1206/4.7u/16V/Y 1206/4.7u/16V/Y
Close to respective power Pins
AVDD1 AVDD1
GND
1
TP
C79 C79
0603/100n/25V/7 0603/100n/25V/7
DVI
0603/0R/5%/open 0603/0R/5%/open
DVI_5V
R214 R214
DSUB 0603/0R/5%/open 0603/0R/5%/open
DSUB_DET
R213 R213
VCC33
DCDC_ON/OFF
DCDC_ON/OFF
Q7 Q7 C89 C89
1
MMBT3904-F MMBT3904-F 0603/100n/25V/7 0603/100n/25V/7
GND
U5 U5
4 3
GND
NC VSS
2
Vref
VDD
5 1 VCC33
CD OUT
C70 C70
RN5VD40AA/RoHS RN5VD40AA/RoHS
R212 R212
0603/1K/5% 0603/1K/5%
GND
WP
VDPP
VDPP1 VDPP1
1
TP
C60 C60
0603/100n/25V/7 0603/100n/25V/7
VDDC
VDDC1 VDDC1
1
TP
C85 C85 C86 C86 C87 C87
0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7 0603/100n/25V/7
ViewSonic Corporation
Model
Scalar
Title
Date Rev: