ViewSonic VLCDS25973-2W Service Manual page 78

+3.3V
FB1
1 2
FERRITE BEAD/1206 CT10 C38 C39 C40 C41 C42
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
GND
+1.8V
FB2
Close to respective power Pins
1 2
FERRITE BEAD/1206 CT11 C56 C57 C58 C59 C60
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
GND
+1.8V
FB3
1 2
FERRITE BEAD/1206 CT12 C64 C65 C66 C67 C68
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
10V
+3.3V GND 3.3V_DVDD
FB4
Close to respective power Pins
1 2
FERRITE BEAD/1206 CT13 C75 C76 C77 C78
100uF/16V 0.1uF 0.1uF 0.1uF 0.1uF
10V
GND
+5V
U11
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
24LC16 R162 22R
GND GND R163 22R
+3.3V
R65
R66
R68
R72
+3.3V
R74
R76 NC/10K RMADDR15
R78
R80 NC/10K RMADDR16 R81
R83 NC/10K RMADDR17 R84
DO NOT STUFF
BOOTSTRAPS - STUFF ONLY
- R84, ROM_ADDR12, so "DDC2Bi defaults to DDC_VGA"
- R82, ROM_ADDR15 -
Install JP415 to select "Serial ROM (IN)"
+3.3V
U9
ROM_CSn R111 0R/NC
1
/CE
SPI_WP R112 0R/NC
3 8
/WP VCC
C114
RMADDR15 R113 0R/NC
2
SO
RMADDR17 R114 0R/NC 6 NC/0.1uF
SCK
RMADDR16 R115 0R/NC
5
SI
4
GND
SPI_HOLD R116 0R/NC
7
/HOLD
GND
NC/Pm25LV010/SO8
SPI interface
ViewSonic Corporation
Close to respective power Pins
C43 C44 C45 C46 C47 C48 C49 C50
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
1.8V_AVDD +1.8V
FB5
1 2
FERRITE BEAD/1206 CT19
C61 C62
100uF/16V
220pF 220pF
GND
+3.3V
1.8V_CVDD
FB6
1 2
FERRITE BEAD/1206 CT20
C69 C70 C71 C72 100uF/16V
0.1uF 0.1uF 220pF 220pF
GND
+5V VCC
C178
+5V
0.1uF
DDC_SCL_VGA
DDC_SDA_VGA
DDC_SCL_DVI
DDC_SDA_DVI
RESET
TP6 RESET
BLUE+
C80
SOG_MCSS
0.1uF
GREEN+
RED+
GND
R154 33R GND
AHSYNC
C151
RX2+
22pF
RX2-
RX1+
GND
RX1-
R155 33R
AVSYNC RX0+
RX0-
C152
RXC+
22pF
MPU_SDA RXC-
GND
MPU_SCL
RMADDR[0..17]
+3.3V
NC/10K RMADDR7
NC/10K RMADDR8
R67 NC/10K RMADDR0
NC/10K RMADDR9
R71 NC/10K RMADDR1
NC/10K RMADDR10
RMADDR17
R73 NC/10K RMADDR2 RMADDR16
NC/10K RMADDR11 RMADDR15
RMADDR14
R77 NC/10K RMADDR3 RMADDR13
RMADDR12
10K RMADDR12 RMADDR11
R79 NC/10K RMADDR4 RMADDR10
RMADDR9
RMADDR8
NC/10K RMADDR13 R82 NC/10K RMADDR5 RMADDR7
RMADDR6
RMADDR5
NC/10K RMADDR14 R85 NC/10K RMADDR6 RMADDR4
RMADDR3
RMADDR2
DO NOT STUFF DO NOT STUFF
RMADDR1
RMADDR0
+3.3V
R303
Q4 4K7
LEDO_B
2
2N3906
R302 C179
LEDO_C
LEDOM
0.1uF
220
GND
Confidential - Do Not Copy
75
3.3V_AVDD
C51 C52 C53 C54 C55
0.1uF 0.1uF 0.1uF 220pF 220pF
1.8V_APLL +3.3V 3.3V_CRY
FB7
3.3V_CRY
1 2
C63 FERRITE BEAD/1206 CT23 C155
0.1uF 100uF/16V 0.1uF
Close to respective power Pins 3.3V_APLL
GND
3.3V_APLL
+5V
C79
3.3V_CRY 3.3V_CRY
0.1uF
Crystal's Surface is grounded
C73 C74
CN3 Y1
20pF 20pF
1
VCC
RS232 2
RXD
14.318MHz
3
GProbe
TXD
4
GND
R101 1M
R100
DO NOT STUFF
GND
DDC_SCL_VGA
DDC_SDA_VGA
DDC_SCL_DVI
DDC_SDA_DVI
ADC_TEST
RX2+
RX2-
RX1+
RX1-
RX0+
RX0-
RXC+
RXC-
3.3V_AVDD
R64 250R1%
+3.3V +3.3V
U7 C82
0.1uF R69 R70
10K 10K
30 32
NC/A17 VCC
GND
2
A16
3 24
A15 OE
29 31
A14 WE
28
A13
4 22
A12 CE
25
A11
23
A10
26
A9
RMDATA7 R75
27 21
A8 DQ7
RMDATA6 10K
5 20
A7 DQ6
RMDATA5
6 19
A6 DQ5
RMDATA4
7 18
A5 DQ4
RMDATA3
8 17
A4 DQ3
9 15 RMDATA2
A3 DQ2
RMDATA1 GND
10 14
A2 DQ1
RMDATA0
11 13
A1 DQ0
RMDATA[0..7]
12
A0
TP5 CCQ5
1
NC
16
GND
AT49HF/F010-45JC
32-Pin PLCC Socket GND
+3.3V
R305
Q5 4K7
LEDORG LEDG_B LEDGRN
2
2N3906
R304
C180
LEDG_C
LEDGM
0.1uF
220
GND
VP191b/s-1/-2
3.3V_DVDD 1.8V_AVDD 1.8V_APLL
3.3V_AVDD
U6
11
AVDD_LV_E_3.3
24
AVDD_LV_E_3.3
26
AVDD_LV_3.3
27
AVDD_LV_O_3.3
40
AVDD_LV_O_3.3 RESERVED
113
AVDD_IMB_3.3 CH3P_LV_E/ER0
120
AVDD_RX2_3.3 CH3N_LV_E/ER1
125
AVDD_RX1_3.3 CLKP_LV_E/ER2
3.3V_A
130
AVDD_RX0_3.3 CLKN_LV_E/ER3
134
AVDD_RXC_3.3 CH2P_LV_E/ER4
141
AVDD_BLUE_3.3 CH2N_LV_E/ER5
145
AVDD_GREEN_3.3 CH1P_LV_E/ER6
150
AVDD_RED_3.3 CH1N_LV_E/ER7
154
AVDD_ADC_3.3 CH0P_LV_E/EG0
172
LBADC_VDD_3.3 CH0N_LV_E/EG1
171
AVDD_RPLL_3.3
CH3P_LV_O/EG2
12
AVSS_LV_E CH3N_LV_O/EG3
23
AVSS_LV_E CLKP_LV_O/EG4
25
AVSS_LV CLKN_LV_O/EG5
28
AVSS_LV_O CH2P_LV_O/EG6
GND
39
AVSS_LV_O CH2N_LV_O/EG7
115
AGND_IMB CH1P_LV_O/EB0
117
AGND_RX2 CH1N_LV_O/EB1
122 AGND
AGND_RX1 CH0P_LV_O/EB2
127
AGND_RX0 CH0N_LV_O/EB3
131
AGND_RXC
144
AGND_BLUE RESERVED/EB4
149
AGND_GREEN RESERVED/EB5
153
AGND_RED RESERVED/EB6
156
AGND_ADC RESERVED/EB7
168
AGND_RPLL
177
LBADC_GND
136
GND_RXPLL JTAG_RESET
RESERVED
22R
170
TCLK RESERVED
XTAL
169
XTAL RESERVED
RESERVED
TXD
71
HOST_SCL/UART_DI RESERVED
RXD
72
HOST_SDA/UART_DO RESERVED
77
DDC_SCL_VGA RESERVED
78
DDC_SDA_VGA
79
DDC_SCL_DVI RESERVED
80
DDC_SDA_DVI
178
RESETn
142
BLUE+ RESERVED/DEN
143
BLUE- RESERVED/DHS
146
SOG_MCSS RESERVED/DVS
147
GREEN+ RESERVED/DCLK
148
GREEN-
151
RED+
152
RED-
181
HSYNC/CSYNC
182
VSYNC
TP3 CCQ3
155
RESERVED
118
RX2+
119
RX2-
123
RX1+
124
RX1-
128
RX0+
129
RX0-
132
RXC+ GPIO9/NVRAM_SCL
133
RXC- GPIO10/NVRAM_SDA
TP4 CCQ4
138
CLKOUT GPIO11/PWM0
GPIO12/PWM1
CCQ7
114
REXT GPIO13/PWM2
GPIO14/PWM3
RMADDR17
183
ROM_ADDR17
RMADDR16
184
ROM_ADDR16
RMADDR15
185
ROM_ADDR15
RMADDR14
186
ROM_ADDR14 RESERVED
RMADDR13
187
ROM_ADDR13 RESERVED
RMADDR12
188
ROM_ADDR12
RMADDR11
189
ROM_ADDR11 RESERVED
RMADDR10
192
ROM_ADDR10
RMADDR9 193
ROM_ADDR9
RMADDR8
194
ROM_ADDR8
RMADDR7
195
ROM_ADDR7
RMADDR6
196
ROM_ADDR6
RMADDR5
197
ROM_ADDR5
RMADDR4
198
ROM_ADDR4
RMADDR3
199
ROM_ADDR3
RMADDR2
200
ROM_ADDR2
RMADDR1
201
ROM_ADDR1
RMADDR0 202
ROM_ADDR0
RMDATA7 203
ROM_DATA7
RMDATA6
204
ROM_DATA6
RMDATA5
207
ROM_DATA5
RMDATA4
208
ROM_DATA4
RMDATA3
1
ROM_DATA3
RMDATA2
2
ROM_DATA2
RMDATA1
3
ROM_DATA1
RMDATA0
4
ROM_DATA0
ROM_OEn 5
ROM_OEn LBADC_RETURN
ROM_WEn
6
ROM_WEn
ROM_CSn
7
ROM_CSn
gm5321/gm5221
QFP208\0.5
R167
0R
GND
FOR gm5321 OPTION
VCLK
1.8V_CVDD
10
13
RXEIN3+
14
RXEIN3-
15
RXECLKIN+
16
RXECLKIN-
17
RXEIN2+
18
RXEIN2-
19
RXEIN1+
20
RXEIN1-
21
RXEIN0+
22
RXEIN0-
29
RXOIN3+
30
RXOIN3-
31
RXOCLKIN+
32
RXOCLKIN-
33
RXOIN2+
34
RXOIN2-
35
RXOIN1+
36
RXO1N1-
37
RXOIN0+
38
RXOIN0-
43
44
45
46
56
57
58
59
60
61
62
63
CCQ1 TP1
64
JTAG_TDO
65
CCQ2
66
JTAG_TDI
TP2
47
48
49
55
LCD_ONOFF
67
PNL_EN
PPWR
BKL ONOFF
68
PBIAS BLON
EDID ENABLE
81
GPIO0 EDID_WP
GPIO1/LED_GRN
82
LEDGRN
GPIO1
83 GPIO2/LED_ORANGE
GPIO2 LEDORG
R306 22
84
DDC_SCL_VGA2
GPIO3
R307 22
85
GPIO4 DDC_SDA_VGA2
GPIO5/HV SYNC SELECT
88
HV_SEL
GPIO5
GPIO6/VIDEO SW POWERDOWN
89
GPIO6 SW_PD
GPIO7/SPI_WP
90
GPIO7 SPI_WP
GPIO8/SPI_HOLD
91
SPI_HOLD
GPIO8
92
MPU_SCL
93
MPU_SDA
GPIO11/BRIGHT
98
BRIGHT
99 VGA DDC CHANGE
DDCCI_SW
100
101
BALL SWITCH
69
GPIO15 BALL_SW
167
135
70
206
CRVSS
191
CRVSS
180
CRVSS
140
CRVSS
97
CRVSS
94
CRVSS
76
CRVSS
74
CRVSS
51
CRVSS
42
CRVSS
8
CRVSS
87
CRVSS
165
GND_RPLL
163
GND_ADC
GND
ADC1
173
LBADC_IN1
ADC2
174
LBADC_IN2
ADC3
175
LBADC_IN3
ADC RETURN
176
GND
R173 R174 R175
0R 0R/NC 0R/NC
GND GND GND
Route LBADC_IN1 & LBADC_RET as
differential tracks, close to each other.
And ground the return track very close to
the gm5221 and ground pin.
VCLK
YUV[0..7]
ViewSonic Corporation
Title
GM5321 for VP Series
Size Document Number Rev
D1
SCALAR
Date: Wednesday, January 12, 2005 Sheet 7 of 9