![background image](http://html1.mh-extra.com/html/viewsonic/vg500-2/vg500-2_service-manual_1021188045.webp)
5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
2.0 mm
I_PORT
510mA
TO-263
KEYBOARD
E91001
2.0 MCU
B
Friday, July 25, 2003
Title
Size
Document Number
Rev
Date:
Sheet
RESET
TXD
RxD
SCL
SDA
STDBY
VOLUME
SENSOR
MUTE+
RxD
TxD
BRIGHTNESS
SCL
CCFL_EN
RESET
GRN
MUTE+
STDBY
SENSOR
WP
SCL
SDA
GRN
AMBER
MUTE
LED_GRN
LED_AMB
MENU
SP+
SP+
MUTE
UP
POWER
SEL
UP
MENU
AMBER
LED_GRN
LED_AMB
SDA
WP
SEL
POWER
SP-
DOWN
SP-
DOWN
+5V
+12V
+3.3V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
C6
0.1uF
R19
0/NC
C5
0.1uF
RP16
4.7K*4
1
8
2
7
3
6
4
5
U2
24LC16
8
1
2
3
4
5
6
7
VCC
A2
A1
A0
GND
SDA
SCL
WP
R3
100R/NC
R9
1K
R8
1K
R13
10K
R2
510R
R1
510R
RP3
4.7K*4
1
8
2
7
3
6
4
5
RP2
4.7K*4
1
8
2
7
3
6
4
5
C13
0.1uF
C14
0.1uF
R52
150R/NC
D1
1N4148
1
2
R50
150R
R16
100R
R6
1K/NC
R7
1K/NC
R14
100R
R10
10K
R12
4.7K/NC
R11
4.7K
CON1
T-S12BZR
1
2
3
4
5
6
7
8
9
10
11
12
R17
100K
Q1
3904
C9
0.1uF
Q2
3904
C7
0.1uF
C10
0.1uF
C8
0.1uF
C11
0.1uF
C2
0.1uF
Y1
12MHZ
R15
100R
C17
0.1uF
C16
470uF/16V
CON3
T-B12B-ZR
1
2
3
4
5
6
7
8
9
10
11
12
C18
220uF/16V
Q3
3906
3
1
2
I1
RC1117M-3.3
1
3
2
4
GND
VIN
VOUT
TAB
R20
10K
C155
NC
R4
4.7K
CON2
6 PIN WAFER
1
2
3
4
5
6
R5
4.7K
R18
5.1K
C4
22pF
U1
8051PLCC
35
21
20
10
14
15
16
17
2
3
4
5
6
7
8
9
43
42
41
40
39
38
37
36
24
25
26
27
28
29
30
31
19
18
32
33
13
11
44
22
23
34
1
12
EA/VP
X1
X2
RESET
INT0 / P3.2
INT1 / P3.3
T0 / P3.4
T1 / P3.5
P1.0 / T2
P1.1 / T2EX
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
AD0 / P0.0
AD1 / P0.1
AD2 / P0.2
AD3 / P0.3
AD4 / P0.4
AD5 / P0.5
AD6 / P0.6
AD7 / P0.7
A8 / P2.0
A9 / P2.1
A10 / P2.2
A11 / P2.3
A12 / P2.4
A13 / P2.5
A14 / P2.6
A15 / P2.7
P3.7/ RD
P3.6 / WR
PSEN
ALE
P3.1 / TXD
P3.0 / RXD
VCC
VSS
P4.0
P4.1
INT3 / P4.2
INT2 / P4.3
C12
0.1uF
C3
22pF
C1
100uF/ 16V
C15
1uF/0805
VOLUME
4
12M
4
IRQ-
4
TXD
3
RXD
3
BRIGHTNESS 4
CCFL_EN 4
SELFTEST
3
VDDD_EN
6
PNLVCC_EN
6
VDDG_EN
6
RESET_MVII
4
SCL
4
SDA
4
!
!
!
ViewSonic Corporation
42
Confidential
– Do Not Copy
VG500-2
10. Schematic Diagrams
Содержание VG500-2
Страница 25: ...Zfbs0Xfflt 3114012 Tfsjbm Op 11112 ViewSonic Corporation 22 Confidential Do Not Copy VG500 2...
Страница 37: ...51 52 53 ViewSonic Corporation 34 Confidential Do Not Copy VG500 2 8 Exploded Diagram And Spare Parts List...
Страница 53: ...TP TP TP TP ViewSonic Corporation Confidential Do Not Copy VG500 2 50...
Страница 54: ...ViewSonic Corporation 51 Confidential Do Not Copy VG500 2 11 PCB Layout Diagrams...
Страница 55: ...ViewSonic Corporation 52 Confidential Do Not Copy VG500 2...