- 65 –
ViewSonic Corporation
Confidential - Do Not Cop
VA1721wmb
11.4 Scaler
AVDD
C404
0.1uF
C405
0.1uF
OUT-L-
PA1
R492
0R05 1/10W 5%
PA[8..13]
R476
1K 1/10W 5%
VCC3.3
POWER
PB[6..11]
PB21
Q402
PMBS3904
VCTRL
2
+12V
2
VDDC
R430
NC
FB401
600 OHM
1
2
GPO[0..4]
5
PA[8..13]
5
PB23
PB9
R418 100R 1/10W 5%
C415
0.1uF
B+
3
KEY 1
R414
120R 1/10W
VMPLL
WP
KEY _MENU
R422 4K7 1/10W 5%
Q401
2N3906S-RTK/PS
+5V
R416
10K 1/10W 5%
PA4
R433 NC
VCC3.3
PB3
P[0..7]
PB2
R404
10K 1/10W 5%
KEY _A
PA7
C410
0.1uF
LED_A
CN403
CONN
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
R487
100K 1/10W 5%
PA9
C616
NC
GPO3
PB16
R484
NC
C426
0.1uF
R421
0R05 1/10W 5%
R483
NC
KEY 2
PA17
FB408
NC
R411 100R 1/10W 5%
R408
10K 1/10W 5%
R420 100R 1/10W 5%
+5V
2,3
VCC3.3
2
OUT-L+
PB22
C419
0.1uF
R429 100R 1/10W 5%
PA[14..19]
5
DDC_WP
3
VCC3.3
U406
NC
1
2
3
GND
RESET
VCC
U403
M24C04-WMN6TP
1
2
3
4
5
6
7
8
NC
E1
E2
VSS
SDA
SCL
WC
VCC
PB[6..11]
5
adj_BACKLIGHT
2
LED_A
VCC3.3
2
PB10
PB13
PB[12..23]
5
POWER
R413
10K 1/10W 5%
SCALER
A
TSUM16AK-1
C
4
5
Thursday , December 21, 2006
Title
Size
Document Number
Rev
Date:
Sheet
of
VCC3.3
FB407
NC
C411
0.1uF
VCC3.3
2
KEY _C
PB8
C422
0.1uF
R407
NC
BIN
3
OSP
C427
0.1uF
VCC3.3
R490
NC
VCC3.3
KEY _C
R423 4K7 1/10W 5%
VCC3.3
2
+12V
OUT-R-
PA12
C406
0.1uF
AUDIO_MUTE
PB17
C421
22pF
PB11
X401
14.31818MHz
1
2
C409
0.1uF
R405
4K7 1/10W 5%
VCC1.8
2
on_PANEL
2
R425
10K 1/10W 5%
VDDC
AUDIO_STBY
PB19
PA19
R479 NC
on_BACKLIGHT
2
KEY _RIGHT
PB18
C414
0.1uF
G+
3
Volume
PA13
FB406
600 OHM
1
2
R415
10K 1/10W 5%
DDCD_SDA
3
VMPLL
VCC3.3
+
C418
10uF/16V
PB[0..5]
5
RSDS/LVDS/TTL
GPO2
ESP
R491
3.9K
Ω
1/10W
AUDIO_MUTE
Volume
C430
0.1uF
R482
NC
B-
3
GNDB
3
PB[12..23]
C423
22pF
OUT-R+
PA8
R427 100R 1/10W 5%
VPLL
PA11
VDDP
D402
RLZ36B
1
2
GNDG
3
PA0
PB5
KEY 2
on_PANEL_12V
2
R480 NC
CLK+
3
VPLL
+5V
PB[0..5]
+
C403
4.7uF M 16V
FB404
600 OHM
1
2
R412
10K 1/10W 5%
R486
10K 1/10W 5%
KEY _AUTO
C425
0.22uF
R410
NC
KEY 1
C417
0.1uF
VCC1.8
+5V
FB403
600 OHM
1
2
KEY _AUTO
CN404
NC
2
4
6
8
10
12
14
1
3
5
7
9
11
13
C428
0.1uF
VDDP
KEY _B
C424 0.1uF
GIN
3
OUT-L-
PA[14..19]
R485
NC
GPO1
KEY 3
DET_VGA
3
GNDR
3
POWER
GPO[0..4]
PA3
R431 NC
R477
NC
Q405
NC
E
B
C
+5V
2,3
PA15
VCC3.3
2
PA14
AUDIO_STBY
SOG
3
FB405
600 OHM
1
2
VSY NC
3
Option
+5V
KEY _LEFT
PA2
R403
390R 1/10W 1%
PA5
R489
NC
OSP
5
LED_G
FB402
600 OHM
1
2
VCC3.3
C401
0.1uF
C416
0.1uF
GND
KEY _LEFT
R424
10K 1/10W 5%
RIN
3
PB15
Q404
NC
LED_G
PB7
R432
NC
VCC3.3
KEY _RIGHT
PB6
R406
10K 1/10W 5%
CLK-
3
R474
3.9K
Ω
1/10W
C420
0.1uF
C412
0.1uF
PB12
R478 NC
DDCA_SCL
3
C429
0.1uF
G-
3
DDCD_SCL
3
C431
NC
VCC3.3
OUT-R-
GPO0
PB0
R481
NC
C407
0.1uF
HSY NC
3
Re s e t
Cir cuit
KEY _B
PB4
R488
0R05 1/10W 5%
DET_DVI
3
PB1
+5V
PA10
PA18
U401
TSUM16AK-LF-1
59
56
57
54
58
55
53
63
64
51
62
61
70
72
71
73
79
21
108
32
33
109
110
111
112
113
114
118
119
120
121
122
123
124
125
126
127
107
106
105
41
47
39
40
42
43
44
45
46
48
49
38
96
11
6
67
12
104
102
11
14
68
65
66
36
37
29
50
97
69
78
20
22
23
24
27
28
30
31
35
76
77
19
100
101
98
99
93
94
91
92
89
90
9
10
15
16
17
18
2
3
5
6
7
8
128
1
80
81
88
87
86
85
84
83
82
25
26
75
74
52
34
4
95
10
3
11
5
11
7
60
13
RIN0P
GIN0P
SOGIN0
BIN0P
RIN0M
GIN0M
BIN0M
HSY NC0
VSY NC0
REXT
REFP
REFM
SDO
SCK
CSZ
SDI
GPIO_P27/PWM1
PWM1/GPIO_P25
LVACKM
XIN
XOUT
LVA2P
LVA2M
LVA1P
LVA1M
LVA0P
LVA0M
LVB3P
LVB3M
LVBCKP
LVBCKM
LVB2P
LVB2M
LVB1P
LVB1M
LVB0P
LVB0M
LVACKP
LVA3M
LVA3P
GN
D
GN
D
NC
NC
NC
NC
AVD
D
_
AD
C
NC
NC
NC
NC
GN
D
GN
D
GN
D
VD
D
P
VD
D
C
MODE[1]
MODE[0]
VCTRL
VD
D
P
VD
D
C
DDCA_SDA/RS232_TX
DDCA_SCL/RS232_RX
NC
NC
PWM0/GPIO_P26
AVD
D
_
AD
C
VD
D
C
GPIO_P15
PWM2/GPIO_P24
GPIO_P16
GPIO_P17/SAR0
GPIO_P00/SAR1
GPIO_P01/SAR2
GPIO_P06
GPIO_P07
GPIO_P13
GPIO_P14
GPIO_P16
DDCROM_SDA
DDCROM_SCL
RST
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
ESP
OSP
GPO0
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPIO_P02/SAR3
GPIO_P03
GPIO_P22
GPIO_P23
AVD
D
_
PL
L
AVD
D
_
M
P
L
L
BYPASS
VD
D
P
VD
D
P
VD
D
P
VD
D
C
AVD
D
_
AD
C
GN
D
AVDD
LED_G
GPO4
KEY _MENU
D401
RLZ36B
1
2
VCC3.3
R428 100R 1/10W 5%
OUT-R+
PA6
VCC3.3
AVDD
PB20
PA16
Q403
2N3906S-RTK/PS
KEY _A
R475
3.9K
Ω
1/10W
R417
20K 1/10W
VCC3.3
PB14
PA[0..7]
5
R-
3
R426
10K 1/10W 5%
DDCA_SDA
3
ESP
5
VDVI
OUT-L+
LED_A
WP
U402
PM25LV010-25SCE
1
2
3
4
5
6
7
8
CE#
SDO
WP#
VSS
SDI
SCK
HOLD#
VDD
C413
0.1uF
+
C408
10uF/16V
VCC3.3
KEY A
R+
3
G1558-1-VS-X-3-061220
VDVI
R409
120R 1/10W
R419
0R05 1/10W 5%
Summary of Contents for VA1721wmb - 17" LCD Monitor
Page 22: ...22 ViewSonic Corporation Confidential Do Not Cop VA1721wmb Block Diagram...
Page 36: ...36 ViewSonic Corporation Confidential Do Not Cop VA1721wmb...
Page 38: ...38 ViewSonic Corporation Confidential Do Not Cop VA1721wmb...
Page 41: ...41 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 5 7 Packing Procedure...
Page 42: ...42 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 6 Troubleshooting Flow Chart...
Page 56: ...56 ViewSonic Corporation Confidential Do Not Cop VA1721wmb Packing For Shipping...
Page 60: ...60 ViewSonic Corporation Confidential Do Not Cop VA1721wmb Picture 19...
Page 61: ...61 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 10 Block Diagram...
Page 71: ...71 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 12 2 MAIN BOARD PCB BUTTON VIEW...
Page 72: ...72 ViewSonic Corporation Confidential Do Not Cop VG1721wm VA1721wm 12 3 POWER PCB TOP VIEW...
Page 73: ...73 ViewSonic Corporation Confidential Do Not Cop VG1721wm VA1721wm 12 4 POWER PCB BUTTON VIEW...
Page 75: ...75 ViewSonic Corporation Confidential Do Not Cop VA1721wmb 12 7 POWER PCB TOP BUTTON VIEW Q...
