ViewSonic VA930-1 VLCDS24020-1W Service Manual page 33

R_INA[0..7]
R_INA[0..7]
R_INA0
R_INA1
R_INA2
R_INA3
R_INA4
R_INA5
R_INA6
R_INB[0..7] R_INA7
R_INB[0..7]
R_INB0
R_INB1
R_INB2
R_INB3
R_INB4
3V3SD
R_INB5
121
R_IN15
R_INB6
122
R_IN16
G_INA[0..7] R_INB7
123
G_INA[0..7] R_IN17
124
GND
G_INA0
125
G_IN00
G_INA1
126
G_IN01
G_INA2
127
G_IN02
G_INA3
128
G_IN03
129
VDD
G_INA4
130
G_IN04
G_INA5
131
G_IN05
132
ADC_CLK0
G_INA6
133
G_IN06
G_INB[0..7] G_INA7
134
G_INB[0..7] G_IN07
135
GND
G_INB0
136
G_IN10
G_INB1
137
G_IN11
138
ADC_CLK1
G_INB2
139
G_IN12
G_INB3
140
G_IN13
141
VDD
G_INB4
142
G_IN14
G_INB5
143
G_IN15
G_INB6
144
G_IN16
B_INA[0..7] G_INB7
145
B_INA[0..7] G_IN17
146
GND
B_INA0
147
B_IN00
B_INA1
148
B_IN01
B_INA2
149
B_IN02
B_INA3
150
VDD
151
B_IN03
B_INA4
152
B_IN04
B_INA5
153
B_IN05
B_INA6
154
B_IN06
B_INA7
155
B_IN07
156
GND
R37
0 157
ASIC_H HSYNC_I
R38 0
158
VSYNC_MCU VSYNC_I
159
DE_IN DE_IN
160
VDD
C71 C72
33P 3900p
B_INB[0..7]
B_INB[0..7]
B_INB0
B_INB1
B_INB2
B_INB3
B_INB4
T30 T31 T32 T33
B_INB5
B_INB6
B_INB7
R39
33
ROM_SCL
ROM_SDA
R40
R41
33
33
ASIC_SCL
ASIC_SDA
3V3 R43
ROM_SCL_ASIC
33
U9 24LC08
C73
1 8
A0 VDD ROM_SCL_EEPROM
R46 R45
4.7K 4.7K 0.1u
2 7
A1 WP
R48
3 6 NC
A2 SCL
R49 33
4 5
VSS SDA
R50
22
ASIC_RESET
RP19
33RP
RP21
33RP
RP20
RP22
33RP
33RP
U8
SD1210
80
G_OUT6_O
79
G_OUT5_O
78
G_OUT4_O
77
VDD
76
G_OUT3_O
75
G_OUT2_O
74
G_OUT1_O
73
G_OUT0_O
72
GND
71
GND
70
G_OUT7_E
69
G_OUT6_E
68
G_OUT5_E
67
VDD
66
G_OUT4_E
65
G_OUT3_E
64
G_OUT2_E
63
G_OUT1_E
62
G_OUT0_E
61
GND
60
R_OUT7_O
59
R_OUT6_O
58
R_OUT5_O
57
R_OUT4_O
56
VDD
55
R_OUT3_O
54
R_OUT2_O
53
R_OUT1_O
52
R_OUT0_O
51
GND
50
R_OUT7_E
49
R_OUT6_E
48
GND
47
R_OUT5_E
46
VDD
45
VDD
44
R_OUT4_E
43
GND
42
VSYNC_X
41
HSYNC_X
R42
33
R44 33
3V3b 3V3SD
L19
BEAD(0805)
C75 C76 C77 C78 C79 C80 C81 C82 C83 C84
100u/16v 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u
ViewSonic Corporation
CR1 CR2 CR3 CR4
NC(CP) NC(CP) NC(CP) NC(CP)
RP23
1 8 33RP
2 7
3 6
4 5
RP24
1 8 33RP
2 7
3 6
4 5
RP25
1 8 33RP
2 7
3 6
4 5
RP26
1 8 33RP
2 7
3 6
4 5
CR5 CR6
NC(CP) NC(CP)
RP27 33RP
1 8
2 7
3 6
4 5
RP28 33RP
1 8
2 7
3 6
4 5
RP29
33RP
1 8
2 7
3 6
4 5
RP30
1 8 33RP
2 7
3 6
4 5
HSYNC_X
CR9
NC(CP)
T34 T35 T36 T37 T38 T39 T40 T41 T42 T43 T44
R47
NC
FBLK
C74
OSD_B
OSD_G
NC(47P)
OSD_R
12MHZ
T45
C85 C86 C87 C88 C89
0.1u 0.1u 0.1u 0.1u 0.1u
30
Confidential – Do Not Copy
BB7
BB7
BB6
BB6
BB5
BB5
BB4
BB4
BB3
BB3
BB2
BB2
BB1
BB1
BB0
BB0
BA7
BA7
BA6
BA6
BA5
BA5
BA4
BA4
BA3
BA3
BA2
BA2
BA1
BA1
BA0
BA0
GB7
GB7
GB6
GB6
GB5
GB5
GB4
GB4
GB3
GB3
GB2
GB2
GB1
GB1
GB0
GB0
GA7
GA7
GA6
GA6
GA5
T30
GA5
GA4
GA4
GA3
GA3
GA2
T31
GA2
GA1
GA1
GA0
GA0
T32
CR7 CR8
T33
NC(CP) NC(CP)
T34
T35
RB7
RB7
RB6
RB6
RB5 T36
RB5
RB4
RB4
RB3
T37
RB3
RB2
RB2
RB1
RB1
RB0 T38
RB0
RA7
RA7
RA6
RA6
RA5 T39
RA5
RA4
RA4
RA3 T40
RA3
RA2
RA2
RA1
RA1
RA0
T41
RA0
T42
CR10 CR11 CR12
T43
NC(CP) NC(CP) NC(CP)
T44
T45
LCD_DE
LCD_CLK
OSD_VS
OSD_HS
VCLK1
FCLK1
VCLK00
VCLK01
DPWBN5419T8----
BOARD ID: QPWB-5419T8---C
ViewSonic VA930
Title
Size Document Number
Custom
SCALING CONTROLLOR
Date: Thursday, July 04, 2002 Sheet
VA930-1
ROM_SCL
ROM_SDA
ASIC_SCL
ASIC_SDA
LCD_DE
LCD_CLK
OSD_VS
OSD_HS
VCLK1
FCLK1
FBLK
OSD_B
OSD_G
OSD_R
12MHZ
3V3SD
Rev
C
of