ViewSonic VG712s Service Manual page 71

3.3V_DVDD
C62 C63 C64 C65 C66 C67
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
3.3V_AVDD
C77 C78 C79 C80 C81 C82
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
2.5V_VDD
C90 C91 C92 C93 C94 C95
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
2.5V_AVDD 2.5V_AVDD
C100 C101 C102
100uF/16V 0.1uF 100pF
+5V
C105
R119 R49 R50
0.1uF U10 10K
10K 10K
1 8
A0 VCC
2 7 R52 33
A1 WP
SCL
3 6
A2 SCL
4 5 SDA
GND SDA
24LC16B R53 33
R118
WP
NC
3.3V_DVDD
R59 10K
R60 10K
R103 10K /NC
RMADDR14
RMADDR9
RMADDR8
RMADDR12
R121 10K
TP6
3.3V_DVDD
R74
0 /NC
R65
10K
3.3V_DVDD Q4
SST390 6 3
1
2
Q3
D13 2N3904
C109 R69 1N4148
0.1UF 100K
R72 C110
5.6K 0.1UF
R73
C112 10K
1UF/0805
C114
10uF/16V /NC
ViewSonic Corporation
3.3V_DVDD
C68 C69 C70 C71 C72 C73 C74
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
3.3V_AVDD
C83 C84 C85 C86 C87 C88 C89
100pF on pin-196
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 100pF
2.5V_VDD
C96 C97 C98 C99
0.1uF 0.1uF 0.1uF 0.1uF
3.3V_AVDD 3.3V_AVDD
C161 C103 C104
X1
0.1uF 5pF 5pF
14.318MHz
R48 100 /NC
2 DVI_5V
R111 0 R47
2 MUTE
2.2K
R51
SCL
0
SDA
3.3V_DVDD
3.3V_DVDD
C162 R56
R57 10K
0.1uF 10K
31
30
Bank0
2
RMADDR15
3
RMADDR14
29
RMADDR13
28
RMADDR12
4
RMADDR11
25
RMADDR10
23
RMADDR9
26
RMADDR8
27
RMADDR7
5
RMADDR6
6
RMADDR5
7
RMADDR4
8
RMADDR3 9
RMADDR2
10
RMADDR1
3.3V_DVDD 11
RMADDR0
12
R61
FLASH_OEn 24
22
10K
RESETn
R62
R66
0
C111
0.1UF
Confidential - Do Not Copy
68
3.3V_AVDD
U9
141
AVDD_DDDS
146
AVDD_SDDS
150
AVDD_RPLL
173
AVDD_IMB
181
AVDD_RX2
187
AVDD_RX1
193
AVDD_RX0
196
AVDD_RXC
164
AVDD_BLUE
168
AVDD_GREEN
172
AVDD_RED
160
AVDD_ADC
2.5V_AVDD
199
VDD_RXPLL_2.5
175
AGND_IMB
178
AGND_RX2
184
AGND_RX1
190
AGND_RX0
197
AGND_RXC
198
AGND_RXPLL
157
SGND_ADC
158
AGND_ADC
161
AGND_BLUE
165
AGND_GREEN
169
AGND_RED
149
AVSS_RPLL
145
AVSS_SDDS
140
AVSS_DDDS
R46 0 /NC
6 LVDSON
113
1 PNL_EN
PPWR
114
1 BLON PBIAS
R95 0
TCLK
152
TCLK
XTAL 151
XTAL
206
2 VOLUME+ GPIO20
207
2 VOLUME-
GPIO19
Bank0 208
GPIO18
1
GPIO17
205
2 ISP_SDA GPIO16/HFSn
204
2 ISP_SCL.
GPIO22/HCLK
6
2 DDCSCL1 DDC_SCL
7
2 DDCSDA1
DDC_SDA
RESETn 5
RESETn
50
GPIO11/ROM_WEn
171
2 RED+ RED+
170
2 RED- RED-
167
2 GREEN+ GREEN+
166
2 GREEN- GREEN-
163
2 BLUE+ BLUE+
162
2 BLUE- BLUE-
137
2 HS HSYNC
136
2 VS VSYNC
159
ADC_TEST
194
2 RXC+ RXC+
195
2 RXC- RXC-
179
2 RX2+ RX2+
180
2 RX2- RX2-
185
2 RX1+ RX1+
186
2 RX1- RX1-
191
2 RX0+ RX0+
192
2 RX0- RX0-
3.3V_AVDD
RMADDR[0..15] R55 1K 174
REXT
1%
RMADDR15
8
ROM_ADDR15
RMADDR14
9
ROM_ADDR14
U11 RMADDR13
10
ROM_ADDR13
RMADDR12
11
WE ROM_ADDR12
RMADDR11
12
ROM_ADDR11
RMADDR10
13
NC/A17 ROM_ADDR10
RMADDR9
14
A16 ROM_ADDR9
RMADDR8
15
A15 ROM_ADDR8
RMDATA7
21
A14 DQ7
RMDATA6 RMADDR7
20 16
A13 DQ6 ROM_ADDR7
RMDATA5 RMADDR6
19 17
A12 DQ5 ROM_ADDR6
RMDATA4 RMADDR5
18 18
A11 DQ4 ROM_ADDR5
RMDATA3 RMADDR4
17 19
A10 DQ3 ROM_ADDR4
RMDATA2 RMADDR3
15 22
A9 DQ2 ROM_ADDR3
RMDATA1 RMADDR2
14 23
A8 DQ1 ROM_ADDR2
RMDATA0 RMADDR1
13 24
A7 DQ0 ROM_ADDR1
RMADDR0
25
A6 ROM_ADDR0
A5
RMDATA7
28
A4 ROM_DATA7
RMDATA6 29
A3 ROM_DATA6
RMDATA5
30
A2 ROM_DATA5
RMDATA4
3.3V_DVDD 31
A1 ROM_DATA4
RMDATA3
1 32
A0 NC ROM_DATA3
RMDATA2
33
ROM_DATA2
32 RMDATA1 34
OE VCC ROM_DATA1
RMDATA0
16 35
CE GND ROM_DATA0
AT49HF/F010-45JC ROM_OEn
36
ROM_OEn
gm5120
0/NC
ROM_CE
3.3V_DVDD PQFP208
C108
0.1uF
VG712s/b
2.5V_VDD 3.3V_DVDD
118
DCLK
115 DEN\
DEN
DHS\
116
DHS
3.3V_A 117 DVS\
DVS
OB7
110
PD47/OB7
OB6
109
PD46/OB6
OB5
108
PD45/OB5
107 OB4
PD44/OB4
OB3
106
PD43/OB3
OB2
105
PD42/OB2
OB1
104
PD41/OB1
OB0
103
PD40/OB0
OG7
102
PD39/OG7
101 OG6
PD38/OG6
OG5
100
PD37/OG5
OG4
99
PD36/OG4
OG3
96
AGND PD35/OG3
OG2
95
PD34/OG2
OG1
94
PD33/OG1
OG0
93
PD32/OG0
OR7
92
PD31/OR7
OR6
91
PD30/OR6
OR5
90
PD29/OR5
OR4
87
PD28/OR4
OR3
86
PD27/OR3
OR2
85
PD26/OR2
OR1
84
PD25/OR1
OR0
83
PD24/OR0
80 EB7
PD23/EB7
EB6
79
PD22/EB6
EB5
78
PD21/EB5
EB4
77
PD20/EB4
EB3
76
PD19/EB3
EB2
75
PD18/EB2
EB1
74
PD17/EB1
EB0
73
PD16/EB0
EG7
72
PD15/EG7
EG6
71
PD14/EG6
EG5
70
PD13/EG5
69 EG4
PD12/EG4
EG3
66
PD11/EG3
EG2
65
PD10/EG2
EG1
64
PD9/EG1
EG0
63
PD8/EG0
ER7
62
PD7/ER7
61 ER6
PD6/ER6
ER5
60
PD5/ER5
ER4
59
PD4/ER4
ER3
58
PD3/ER3
ER2
57
PD2/ER2
ER1
56
PD1/ER1
ER0
55
PD0/ER0
119
GPO0
120
GPO1
121 ROM_CE
GPO2
122 R54 0
GPO3
123
GPO4
124 R120 NC
GPO5
125
GPO6
126
GPO7
127
TCON_RCLK
49
MENU
GPIO10/TCON_ROE3
48
SELECT
GPIO9/TCON_ROE2
128
TCON_ROE
44 UART_D1
GPIO4/UART_D1
UART_D0
45
GPIO5/UART_D0
SCL
52
GPIO13/NVRAM_SCL
SDA
51
GPIO12/NVRAM_SDA
39
GPIO8/IRQINn
4
DSUB
GPIO21/IRQn
47
DOWN
GPIO7/TCON_TDIV
46
GPIO6/TCON_SHC UP
43
GPIO3/TIMER1 DDCSDA2
42
DDCSCL2
GPIO2/PWM2
41
GPIO1/PWM1 VOLUME
40
BRIGHT
GPIO0/PWM0
201
CLKOUT
Int_Test
200
N/C
142
N/C
132
Reserved
131
Reserved
+5V
JP8
+5V 1
UART_D0
RXD 2
UART_D1
TXD 3
GND 4
R45 33
DCLK 6
C75 C76
22pF 22pF
RP17 33
4 5
3 6
DEN
2 7
DHS
1 8
DVS
OB[0..7] 5
CP15
22p /NC
OG[0..7] 5
OR[0..7] 5
EB[0..7] 5
EG[0..7] 5
ER[0..7] 5
LEDR 2
LEDG 2
LVDSON 6
ADO_CTRL
4
Fujitsu_PD 6
TP2
WP
TP4
2
2
3.3V_DVDD
R58
10K
SCL
SDA
PWR_SW 2
2
2
2
C106 C107
2
2
NC NC
4
1
UART_D0 2
2
UART_D1
Title
Gensis Chip (Scaler) ASIC
Size Document Number Rev
GM5120 E
3
Date: Thu rsday, July 10, 2003 Sheet of 6
6
6
6