- 73 –
ViewSonic Corporation
Confidential - Do Not Copy
VG720
11.2 Scaler
C428
0.1uF
FB402
600 OHM
R420
100 1/16W
R418
100 1/16W
R432
0 1/16W
FB403
600 OHM
FB404
600 OHM
C429
0.1uF
C425
0.1uF
FB405
600 OHM
PB1
VCTRL
2
VCC3.3
C430
0.1uF
AVDD
VCC1.8
FB406
600 OHM
VDDC
VDDP
VCC3.3
AVDD
VDDC
VDDP
C424 0.1uF
+5V
PB3
C404
0.1uF
DDC_WP
3
R475
3.9K 1/16W
VCC3.3
GPO[0..4]
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
CN403
CONN
DET_VGA
3
DET_DVI
3
AVDD
on_BACKLIGHT
2
on_PANEL
2
R430
1K 1/16W
C431
NC
R431 0 1/16W
Volume
R433 NC
AUDIO_MUTE
PB7
adj_BACKLIGHT
2
PB10
+
C403
4.7uF/16V
C417
0.1uF
PB9
E
B
C
Q405
NC
PB[0..5]
VCC3.3
+
C408
10uF/16V
DDCD_SDA
3
DDCA_SCL
3
DDCA_SDA
3
DDCD_SCL
3
FB407
600 OHM
FB408
600 OHM
RIN0P
59
GIN0P
56
SOGIN0
57
BIN0P
54
RIN0N
58
GIN0N
55
BIN0N
53
HSY NC0
63
VSY NC0
64
REXT
51
REFP
62
REFM
61
SDO
70
SCK
72
SCZ
71
SDI
73
GPIO_P27/PWM1
79
PWM1/GPIO_P25
21
NC/LVACKM/NC
108
XIN
32
XOUT
33
RA1P/LVA2P/RA2
109
RA1N/LVA2M/RA3
110
RA2P/LVA1P/RA4
111
RA2N/LVA1M/RA5
112
RA3P/LVA0P/RA6
113
RA3N/LVA0M/RA7
114
CLKAP/LVB3P/LHSY NC
118
CLKAN/LVB3M/LVSY NC
119
CLKBP/LVBCKP/LCK_ODD
120
CLKBN/LVBCKM/LDE
121
NC/LVB2P/NC
122
NC/LVB2M/NC
123
BB1P/LVB1P/BB2
124
BB1N/LVB1M/BB3
125
BB2P/LVB0P/BB4
126
BB2N/LVB0M/BB5
127
NC/LVACKP/NC
107
GA3N/LVA3M/GA7
106
GA3P/LVA3P/GA6
105
GN
D
41
GN
D
47
RX2P
39
RX2N
40
RX1P
42
RX1N
43
AV
D
D
_
D
VI
44
RX0P
45
RX0N
46
RXCKP
48
RXCKN
49
GN
D
38
GN
D
96
GN
D
116
VD
D
P
67
V
DDC
12
MODE[1]
104
MODE[0]
102
VCTRL
11
VD
D
P
14
V
DD_
O
T
P
68
DDCA_SDA
65
DDCA_SCL
66
DDCD_SDA
36
DDCD_SCL
37
PWM0/GPIO_P26
29
AV
D
D
_
D
VI
50
V
DDC
97
GPIO_P15
69
PWM2/GPIO_P24
78
GPIO_P16
20
GPIO_P17/SAR0
22
GPIO_P00/SAR1
23
GPIO_P01/SAR2
24
GPIO_P06
27
GPIO_P07
28
GPIO_P13
30
GPIO_P14
31
GPIO_P16
35
DDCROM_SDA
76
DDCROM_SCL
77
RST
19
GA2P/NC/GA4
100
GA2N/NC/GA5
101
GA1P/NC/GA2
98
GA1N/NC/GA3
99
BA3P/NC/BA6
93
BA3N/NC/BA7
94
BA2P/NC/BA4
91
BA2N/NC/BA5
92
BA1P/NC/BA2
89
BA1N/NC/BA3
90
RB1P/NC/RB2
9
RB1N/NC/RB3
10
RB2P/NC/RB4
15
RB2N/NC/RB5
16
RB3P/NC/RB6
17
RB3N/NC/RB7
18
GB1P/NC/GB2
2
GB1N/NC/GB3
3
GB2P/NC/GB4
5
GB2N/NC/GB5
6
GB3P/NC/GB6
7
GB3N/NC/GB7
8
BB3P/NC/BB6
128
BB3N/NC/BB7
1
ESP
80
OSP
81
GPO0
88
GPO1
87
GPO2
86
GPO3
85
GPO4
84
GPO5
83
GPO6
82
GPIO_P02/SAR3
25
GPIO_P03
26
GPIO_P22
75
GPIO_P23
74
A
V
DD
_P
LL
52
AV
D
D
_
M
PL
L
34
AV
D
D
_
M
PL
L
4
VD
D
P
95
VD
D
P
103
VD
D
P
115
V
DDC
117
A
V
DD
_A
DC
60
GN
D
13
U401
TSUM57AK
C423 22pF
GN
D
1
RST
2
VCC
3
U406
ASM810MEURF-T
R486
NC
PB11
X401
14.318MHz
Volume
C421 22pF
C616
NC
ESP
5
PA[0..7]
5
R487
10K 1/16W
PA[8..13]
5
PB[0..5]
5
GPO[0..4]
5
PB[12..23]
5
OSP
5
R488
NC
PA[14..19]
5
PB[6..11]
5
R+
3
R-
3
WP
G+
3
G-
3
B+
3
B-
3
R407
NC
CLK+
3
CLK-
3
R410
NC
OUT-L-
VPLL
VDVI
Q402
PMBS3904
VMPLL
Q404
PMBS3904
Re s e t
Circuit
VCC3.3
VCC3.3
VDVI
VCC3.3
2
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
U403
AT24C16N-10SC-2.7
VCC3.3
VPLL
VCC3.3
2
C422
0.1uF
R477
1K 1/16W
VCC3.3
RSDS/LVDS/TTL
OUT-R+
+
C418
10uF/16V NC
OUT-R-
C405
0.1uF
C406
0.1uF
+5V
2,3
R424
10K 1/16W
R425
10K 1/16W
R419
0 1/16W
R404
10K 1/16W NC
C407
0.1uF
KEY _MENU
C409
0.1uF
C410
0.1uF
C411
0.1uF
C412
0.1uF
C413
0.1uF
AUDIO_STBY
VCC3.3
2
VMPLL
VCC3.3
2
4
6
8
10
12
14
1
3
5
7
9
11
13
CN404
CONN
R474
3.9K 1/16W
C415
0.1uF
C414
0.1uF
PA1
PA0
PA3
PA4
PA2
OUT-L-
PA5
PA6
PA7
PA8
PA9
PA10
PA11
OUT-R-
Title
Size
Document Number
Rev
Date:
Sheet
of
SCALER
A
TSUM57AK
C
1
5
Thursday , June 30, 2005
PA13
PA14
PA12
R481
NC
PA16
PA15
PA17
R482
NC
R483
NC
VCC3.3
KEY A
WP
C416
0.1uF
GPO1
GPO0
GPO4
GPO2
GPO3
R403 390 1%
C419
0.1uF
C420
0.1uF
FB401
600 OHM
R489
10K 1/16W
R490
10K 1/16W
KEY 1
KEY 2
C401
0.1uF
R478 1K 1/16W
VCC3.3
VCC3.3
2
+5V
SOG
3
GNDB
3
VSY NC
3
VCC3.3
2
GNDR
3
RIN
3
VCC1.8
2
R408
10K 1/16W
BIN
3
HSY NC
3
GNDG
3
GIN
3
R479 1K 1/16W
KEY _AUTO
R409
120 1/16W
+5V
+12V
+12V
2
+5V
2,3
OSP
KEY _A
KEY _B
R429
100 1/16W
R428
100 1/16W
R480 1.5K 1/16W
PA[14..19]
PB4
KEY _C
KEY _RIGHT
Q401
PMBS3906
OUT-L+
PB0
OUT-R+
LED_A
LED_G
Q403
PMBS3906
ESP
R411
100 1/16W
LED_G
POWER
LED_A
POWER
on_PANEL_12V
2
+5V
PB[12..23]
PB5
PB12
VCC3.3
PB13
KEY _LEFT
KEY _A
KEY _B
KEY _C
PB20
R484
10K 1/16W
R485
10K 1/16W
PB14
LED_A
AUDIO_STBY
AUDIO_MUTE
+5V
PB[6..11]
PB21
PB15
PB22
PB6
PB16
KEY 1
KEY 2
PB23
PB17
KEY _AUTO
KEY _MENU
PB18
PB19
PA18
1
2
D401
RLZ36B
1
2
D402
RLZ36B
R414
120 1/16W
LED_G
R421
0 1/16W
VCC3.3
R413
10K 1/16W
R476
1K 1/16W
PA19
CE#
1
SDO
2
WP#
3
VSS
4
SDI
5
SCK
6
HOLD#
7
VDD
8
U402
SST25VF010-20-4C-SAE
R426
10K 1/16W
R427 100 1/16W
PB8
PB2
R406
10K 1/16W
R412
10K 1/16W
R417
20K 1/16W
R423
4.7K 1/16W
R422
4.7K 1/16W
Option
OUT-L+
R405
22K 1/16W
KEY _RIGHT
KEY _LEFT
POWER
VCC3.3
C426
0.1uF
R415
10K 1/16W
R416
10K 1/16W
PA[8..13]
C427
0.1uF
P[0..7]
GND
Содержание VG720 - 17" LCD Monitor
Страница 37: ...37 ViewSonic Corporation Confidential Do Not Copy VG720 Sep2 Inpute the S N and execute Enter...
Страница 38: ...38 ViewSonic Corporation Confidential Do Not Copy VG720...
Страница 39: ...39 ViewSonic Corporation Confidential Do Not Copy VG720 Sep3 Key the Enter and write the data...
Страница 40: ...40 ViewSonic Corporation Confidential Do Not Copy VG720 Sep4 If ddc program OK and show data compare ok...
Страница 41: ...41 ViewSonic Corporation Confidential Do Not Copy VG720 5 7 Packing For Shipping...
Страница 43: ...43 ViewSonic Corporation Confidential Do Not Copy VG720 6 Troubleshooting Flow Chart...
Страница 61: ...61 ViewSonic Corporation Confidential Do Not Copy VG720 8 Exploded Diagram And Spare Parts List...
Страница 62: ...62 ViewSonic Corporation Confidential Do Not Copy VG720...
Страница 63: ...63 ViewSonic Corporation Confidential Do Not Copy VG720...
Страница 66: ...66 ViewSonic Corporation Confidential Do Not Copy VG720 Picture 9 Picture 10 Picture 11 Picture 12 Picture 13...
Страница 79: ...79 ViewSonic Corporation Confidential Do Not Copy VG720 12 PCB Layout Diagram 12 1 MAIN BOARD PCB TOP VIEW...
Страница 80: ...80 ViewSonic Corporation Confidential Do Not Copy VG720 12 2 MAIN BOARD PCB BUTTON VIEW...
Страница 81: ...81 ViewSonic Corporation Confidential Do Not Copy VG720 12 3 KEYBOARD TOP VIEW 12 4 KEYBOARD BUTTON VIEW...
Страница 82: ...82 ViewSonic Corporation Confidential Do Not Copy VG720 12 5 POWER PCB TOP VIEW...
Страница 83: ...83 ViewSonic Corporation Confidential Do Not Copy VG720 12 6 POWER PCB BUTTON VIEW...
Страница 84: ...84 ViewSonic Corporation Confidential Do Not Copy VG720 12 6 AUDIO PCB TOP VIEW...
Страница 85: ...85 ViewSonic Corporation Confidential Do Not Copy VG720 12 6 AUDIO PCB BUTTON VIEW...