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SCHEMATIC DIAGRAM
ViewSonic Corporation
22
VG500b-1
Confidential
– Do Not Copy
green
04
04
410mA
510mA
power
E91001
1
2.0 Keyboard
A3
3
7
Wednesday, October 02, 2002
Title
Size
Document Number
Rev
Date:
Sheet
of
SCL
SDA
amber
sel
up
down
menu
sp+
sp-
mute
LED_AMBER
LED_GRN
STDBY
CCFL_EN
GPIO2/PWM2
VOLUME
SENSOR
+5V
+5V
+5V
+12V
+2.5V
+3.3V
GND
GND
GND
GND
GND
GND
GND
+5V
R214
10K
R202
4.7K
R201
4.7K
C200
0.1uF
D220
US1G
1
2
C225
220uF/16V
R208
10K
R207
10K
R200
10K
C201
0.1uF
U201
S524C80D41
1
2
3
4
5
6
7
8
A0
A1
A2
VSS
SI
SCK
WP
VCC
R205
10K
R220
510R
F221
4A/125V
C224
220uF/16V
Q202
DTC114TKA/KSR1110
U220
RC1117M-3.3
1
3
2
4
GND
VIN
VOUT
TAB
R203
330R
CON220
T-B12B-ZR
1
2
3
4
5
6
7
8
9
10
11
12
JP2
T-S12BZR
1
2
3
4
5
6
7
8
9
10
11
12
R204
330R
C221
0.1uF
Q201
DTC114TKA/KSR1110
R211
10K
R210
10K
R213
10K
C202
0.1uF
C220
470uF/10V
R209
10K
U200
PST9129
1
2
3
4
5
NC
SUB
GND
VOUT
VCC
R212
10K
R206
10K
/RESET 5
SCL_1Y0
5
GPIO8/POWER 5
GPIO2/PWM2 5
VOLUME 5
CCFL_EN 5
STDBY 5
GPIO0/SELECT
GPIO16/PLUS
GPIO22/MINUS
GPIO15/MENU
GPIO21/SP+
GPIO19/SP-
GPIO20/MUTE
GPIO14/LED_AMBER 5
SENSOR
GPIO17/LED_GREEN 5
MUTE+
SDA_2Y0
5
Summary of Contents for VG500b-1
Page 34: ...12 PCB LAYOUT ViewSonic Corporation 31 VG500b 1 Confidential Do Not Copy...
Page 35: ...ViewSonic Corporation 32 VG500b 1 Confidential Do Not Copy...
Page 36: ...ViewSonic Corporation 33 VG500b 1 Confidential Do Not Copy...
Page 37: ...ViewSonic Corporation 34 VG500b 1 Confidential Do Not Copy...
Page 38: ...ViewSonic Corporation 35 VG500b 1 Confidential Do Not Copy...