ViewSonic VP171 Service Manual page 75

5
3.3V_DVDD
C81 C82 C83 C84 C85 C86 C87
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
3.3V_AVDD
D
C96 C97 C98 C99 C100 C101 C102
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
2.5V_VDD
C109 C110 C111 C112 C113 C114 C115
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
2.5V_AVDD 2.5V_AVDD
C119 C120 C121
100uF/16V 0.1uF 100pF
C
3.3V_DVDD
3.3V_DVDD
R135
4.7K
C125
R61 R62
0.1uF U10 R64 33
R65 33 10K 10K
1 8
A0 VCC
2 7
A1 WP
3 6 SCL
A2 SCL
SDA
4 5
GND SDA
24LC16B
R134 0
R132
NC
B
3.3V_DVDD
R74 10K
R75 10K
R76 NC
RMADDR14
RMADDR9
RMADDR8
TP4
3.3V_DVDD
R78 NC
3.3V_DVDD Q5
SST3906
1
Q4
D3 2N3904
C130 R80 1N4148
0.1UF 10K
R83 C131
5.6K 0.1UF
R84
A
C133 10K
NC
C134
10uF/16V
5
4
3.3V_DVDD
C88 C89 C90 C91 C92 C93
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
3.3V_AVDD
C103 C104 C105 C106 C107 C108
100pF on pin-196
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 100pF
2.5V_VDD
C116 C117 C118
0.1uF 0.1uF 0.1uF
3.3V_AVDD 3.3V_AVDD
C122 C123 C124
X1
0.1uF 5pF 5pF
14.318MHz
R59 100 /NC
2 DVI_5V
R60
2.2K
R63
SCL
NC
SDA
WP
3.3V_DVDD
3.3V_DVDD
C126 R71
R72 10K
0.1uF 10K
Bank0
RMADDR15
RMADDR14
RMADDR13
RMADDR12
RMADDR11
RMADDR10
RMADDR9
RMADDR8
RMADDR7
RMADDR6
RMADDR5
RMADDR4
RMADDR3
RMADDR2
R79
10K 3.3V_DVDD RMADDR1
RMADDR0
RESETn R77
FLASH_OEn
3
10K
2
C132
0.1UF
4
ViewSonic Corporation
3
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
R57 NC
5 LVDSON
113
1 PNL_EN PPWR
114
1 BLON PBIAS
TCLK
152
TCLK
XTAL 151
XTAL
206
2 DSUB2
GPIO20
207
6 ROTATE GPIO19
Bank0 208
GPIO18
1
GPIO17
205
2 ISP_SDA
GPIO16/HFSn
204
2 ISP_SCL
GPIO22/HCLK
6
2,6 DDCSCL2 DDC_SCL
7
2,6 DDCSDA2
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
6 HS HSYNC
136
6 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] R69 1K
174
REXT
1%
RMADDR15
8
ROM_ADDR15
RMADDR14
9
ROM_ADDR14
U11 RMADDR13
10
ROM_ADDR13
RMADDR12
31 11
WE ROM_ADDR12
RMADDR11
12
ROM_ADDR11
RMADDR10
30 13
NC/A17 ROM_ADDR10
RMADDR9
2 14
A16 ROM_ADDR9
RMADDR8
3 15
A15 ROM_ADDR8
RMDATA7
29 21
A14 DQ7
RMDATA6 RMADDR7
28 20 16
A13 DQ6 ROM_ADDR7
RMDATA5 RMADDR6
4 19 17
A12 DQ5 ROM_ADDR6
RMDATA4 RMADDR5
25 18 18
A11 DQ4 ROM_ADDR5
RMDATA3 RMADDR4
23 17 19
A10 DQ3 ROM_ADDR4
RMDATA2 RMADDR3
26 15 22
A9 DQ2 ROM_ADDR3
RMDATA1 RMADDR2
27 14 23
A8 DQ1 ROM_ADDR2
RMDATA0 RMADDR1
5 13 24
A7 DQ0 ROM_ADDR1
RMADDR0
6 25
A6 ROM_ADDR0
7
A5
RMDATA7
8 28
A4 ROM_DATA7
RMDATA6
9 29
A3 ROM_DATA6
RMDATA5
10 30
A2 ROM_DATA5
3.3V_DVDD RMDATA4
11 31
A1 ROM_DATA4
RMDATA3
12 1 32
A0 NC ROM_DATA3
RMDATA2
33
ROM_DATA2
RMDATA1
24 32 34
OE VCC ROM_DATA1
RMDATA0
22 16 35
CE GND ROM_DATA0
ROM_OEn
AT49HF/F010-45JC 36
ROM_OEn
gm5120
3.3V_DVDD
PQFP208
C129
0.1uF
3
70
Confidential – Do Not Copy
2
2.5V_VDD 3.3V_DVDD
R56
C94
22pF
118
DCLK
115 DEN\
DEN
DVS\
117
DVS
3.3V_A DHS\
116
DHS
OB7
110
PD47/OB7
OB6
109
PD46/OB6
OB5
108
PD45/OB5
OB4
107
PD44/OB4
OB3
106
PD43/OB3
OB2
105
PD42/OB2
OB1
104
PD41/OB1
OB0
103
PD40/OB0
OG7
102
PD39/OG7
OG6
101
PD38/OG6
OG5
100
PD37/OG5
OG4
99
PD36/OG4
OG3
96
PD35/OG3
AGND
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
EG4
69
PD12/EG4
EG3
66
PD11/EG3
EG2
65
PD10/EG2
EG1
64
PD9/EG1
EG0
63
PD8/EG0
ER7
62
PD7/ER7
ER6
61
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
GPO2
R67 0
122
GPO3
123
GPO4
124
GPO5
125
GPO6
126
GPO7
127
TCON_RCLK
49
GPIO10/TCON_ROE3 MENU
48
SELECT
GPIO9/TCON_ROE2
128
TCON_ROE
UART_D1
44
GPIO4/UART_D1
UART_D0
45
GPIO5/UART_D0
SCL
52
GPIO13/NVRAM_SCL
SDA
51
GPIO12/NVRAM_SDA
39
GPIO8/IRQINn
4
GPIO21/IRQn DSUB1
47
GPIO7/TCON_TDIV DOWN
46
UP
GPIO6/TCON_SHC
43
DDCSDA1
GPIO3/TIMER1
42
GPIO2/PWM2 DDCSCL1
41
GPIO1/PWM1
40
BRIGHT
GPIO0/PWM0
201
CLKOUT
Int_Test
200
N/C
142
N/C
132
Reserved
131
Reserved
2
VP171/s/b-1
1
68
DCLK 5
C95
22pF
RP1 100x4
4 5
3 6
DEN 5
2 7
DVS
5
1 8
DHS
5
OB[0..7]
4
CP1
NC
OG[0..7] 4
OR[0..7] 4
EB[0..7] 4
EG[0..7] 4
ER[0..7] 4
3.3V_DVDD
R66
10K
LEDR 6
LEDG 6
LVDSON 5
R68
MUX_SEL
2,6
Switch_enable 2
WP 0
R139 0 R70
TP3
NC
6
6
3.3V_DVDD
R73
10K
SCL
SDA
PWR_SW 6
2
6
6
C127 C128
6
6
NC NC
1
+5V
JP7 R81 NC
R82 NC
+5V 1
UART_D0
RXD 2
UART_D1
TXD 3
GND 4
Title
Size Document Number Rev
VP171/s/b
Date: Thursday, May 22, 2003 Sheet
1
D
C
B
A