ViewSonic VX500 Service Manual - Page 43

ViewSonic, Corporation.

Page 43 highlights

CD1 100nF UD3A DIP 8 PIN IC SO. KET 1 1 2 3 4 AO VCC At WP A2 SCL VSS SD '1 8 7 6 5 D2 1 2 3 4 AO VCC Al WP A2 SCL VSS SDA 8 7 6 5 RD3 4.7K KSCL KSDA TA) CD2 100nF NOT STUFFED _[ CD3 _1nF GND OVCC RD4 RD6 RD7 RD8 OR 33K 33K 33K RD5(X) OR GND CD4 II 100nF UD2 1 AO 2 Al 3 A2 4 GND VCC TEST SCL SDA 5 24LC04B UD3(X) V GND 0_34X A 9 2 DB[7 .01 3.5 RX0+ CD43 DEi0 DUO II CD44 0,1 CD45 H2 "DI32 CD46 063 "DB3 10pF 10pF CD47 10pF 084 "084 L CD48 10pF 085 "DS. , CD49 086 /- \ 0b I CD50 0B7 007 10 F 10pF I---'' 3,5 00)7_01 10pF > 10pF GND 17C IRX1- 09 RX1- RX018 RX1+ 1 F-ZX RX0+ 19 RX4+ X SHLD0/5 0O X RX5- SHLD2d4 C RX5+ RX2+ RX24 0 RX2- RX2- V GND DOO /"N., G0 D4c\ 1 DG2 oG3 "DG3 054 D0S4 CD51 CD52 CD53 CD54 10pF 10pF II 0055 10pF CD56 10pF D• (X) A C RX0- A D (X)C 61004i 0otO.it 5;e/.\0\\L1DGC)537i I lopF CD57 I CD58 ZENER 5.6V)0603) ZENER 5.6V(0603) 3,5 D .f7 .01 DR0 041 DR2 c\DR2 DR3 /- \ DR3 Di247 GR5 \ DR6 /NDR6 "C\( 0): 4t 10pF >> 10pF 10pF CD59 ( CD60 CD61 CD62 10pF 10pF CD63 10pF CD64 10pF CD65 CD66 10pF 10pF 10pF 10pF V GND V GND D• (X) A C RX1- ZENER 5.6V)0603) D• (X) A C OX2- ZENER 5.6V(0603) ZDD4(X) A C R0C- ZENER 5.6V(0603) D• (X) A •, 1-C ZENER 5.6V(0603) D X) A 2-C ZENER 5.6V)0603) ZDD9(X) A r VC ZENER 5.6V)0603) OVCC C029 FBD6 CD23 CD24 CD25 1nF I 1nF I 1nF CD26 100nF V OVCC-1 GND O CD27 100n CD28 'D30 CD31 --r- CD3: CD33 D34 D35 CD36 CD3 D39 CD38 CD40 CD41 CD42 - - - 9 5 GND GND GND 18 29 OVCC 43 OVCC 57 OVCC 78 OVCC OVCC OO18 OO19 OO20 QO21 QO22 QO23 2 73 -X 5 77 X ODCK 4446 DC 47 VSYNC 48 HSYNC RD12A42R RD13AA 2,2R RD14( >>PBCLK 3,5 CD88(X)i 0pF >>PA Ddr- GND >>PDVSYNC 3 DD X) A C PD DATA ZD•10(X) A C PD_DCLK ZENER 5.6V(0603) GND ZENER 5.6V(0603) GND 33pF 100pF 10uF 10uF 100nF 005 - - 1nF 1nF 1nF 1nF 1nF 00nF 100nF 1100nF V GND DVI-DET PD D P7 = 19 20 17 18 15 16 PD DCLK D3.3V 76 58 45 OGND OGND 28 19 OGND OGND OGND O co a_ 0 .-3 ID 0 0 w CD O 0 > Z, 0 O >SC0TD 3 KSCL KSDA OR PD DCLK R PD DATA. RD25 4.7K Tide RD27 4.7K DVI VX500 (VLCDS22825- XY) HEADER 10X2 GND ate: Monday, June 18, 2001 Sheet I 4 of 8 ViewSonic Corporation Confidential - Do Not Copy 40 VX500-1

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8
7
6
5
D2
CD5
CD6
_CD7
CD8
33pF
100nF
CD1
UD3A
DIP
8
PIN
IC
SO.
KET
1
2
3
4
1
AO
VCC
At
WP
A2
SCL
'1
100nF
VSS
SD
4.7K
1
2
3
4
GND
5V
CD80
AO
VCC
Al
WP
A2
SCL
VSS
SDA
8
7
6
5
RD3
KSCL
KSDA
24LC04B
UD3(X)
LM1117MPX-3.3
UD4
IN
000T
5
TAB
CD8
10uF/16V
100nF
GND
TA
D3.3V
CD83
470uF/16V
CD82
100nF
GND
D3.3V
FBD2(0805)
OVCC
C
o
L
0
_,
....
L0
2
9
CD9
CD11_31_
11.
GND
OVCC
FBD3
CaLia
2
I
CD12
CD11
10uF
100nF
GND
LM1117MPX-3.3
5V
UD5
IN
9
OUT
(.5
TAB
CD84
CD85
10uF/16V
100nF
GND
OVCC
FBD5
.
_*ia
2
OVCC
FBD6
C029
33pF
O
TAB
CD20
CD86
470uF/16V
10uF
100nF
TAVCC
TA)
NOT
STUFFED
_[
CD3
CD2
_1nF
100nF
RD16
560
GND
RD4
OR
OVCC
RD6
33K
RD5(X)
OR
GND
UD1
RD7
33K
RD8
33K
GND
1
2
CD4
II
100nF
UD2
3
4
AO
VCC
Al
TEST
A2
SCL
GND
SDA
V
GND
0
_34X
A
9
<
2
<TMDSPD
3
X24C02
R1
.
)
.
2
.
kR
A
9,R
<NRESET
2,3
RD30
OR
RXC+
RX2-
RXI
i
C
RX0
RX0-
91
RXC'
93
R
.
XC-
CD14
CD16
CD17
CD18
CD15
=
-
1
-,00nF
InF
1nF
1nF
T100nF
PVCC-1
O
FBD4
2
CD87
GND
OVCC-2
O
OVCC-2
CD23
CD24
CD25
1nF
I
1nF
I
1nF
VCC
1
CD21
1CD22
100nF
t
nF
GND
2
C
88
95
79
83
87
89
92
CD26
CD27
100nF
100n
CD28
97
98
6
7
9
5
OVCC-1
O
V
GND
18
29
43
57
78
CD3:
'D30
CD31
CD33
D34
--r-
100pF
10uF
10uF
100nF
005
D35
CD36
CD3
00nF
100nF
1100nF
D39
CD38
CD40
CD41
CD42
1nF
1nF
1nF
1nF
1nF
76
58
45
28
19
V
P7
D3.3V
GND
DVI-DET
=
19
20
PD
D
17
18
15
16
PD
DCLK
RXC-
13
1
RXG
RD18
11
12
RD17(X)
9
1
RX2-
RX2+
4K7
,(1
t
8
RX
4K7
RXC
5
6
RX0
3
4
1
2
HEADER
10X2
-
w
EXT_RES
t.0
O
o
x
u,
DE0
Lu
O
QE1
RX2+
OE2
RX2-
003
O84
005
RX1+
QE6
RX1-
QE7
QZ8
QE9
RX0+
QE10
RX0-
O011
O012
RXC+
0013
RXC-
OE
,4
0015
QE16
OE17
AVCC
QE18
O019
AVCC
QE20
A
/CC
0021
O622
0023
AGN
AGND
D
TM:DS
RECEIVER
QO1
QO0
AGND
OO2
AGND
OO3
AGND
004
OO5
PVCC
OO6
OO7
OO8
OO9
QO10
PGND
QO11
OO12
OO13
OO14
CVCC
OO15
CVCC
OO16
CVCC
OO17
OO18
OO19
GND
OO20
GND
QO21
GND
QO22
QO23
OVCC
OVCC
OVCC
OVCC
OVCC
OGND
OGND
OGND
OGND
OGND
>
O
co
Z
,
a_
0
0
.-
3
ID
O
0
<
0
w
CD
0
0
O
0
0)
CD
0
10
BD0
11
B01
12
802
13
80
14
0D4
15
B05
16
606
17
00
20
GOO
21
001
22
002
23
GD3
24
GD4
25
GD5
26
C-06
27
O07
30
ROD
31
r,D1
32
R02
33
RD3
34
RD4
35
R05
36
37
R07
4
51
--X
52
X
3
X
59,
-X
60
62
-X
64
X
-X
2
-X
X
73
77
5
X
ODCK
4446
DC
47
48
VSYNC
HSYNC
SCDT
si1159
01
TMDSPD
8
Confidential
-
Do
Not
Copy
4
,
GND
RPD1
5
GND
RD1
RD9
4K7
4K7
PD
DC1
1
P
1
)
DATA
BD0
4
5
DEi0
________
T
3``M~`
6
0,1
8D2
2
'''
'''''
7
n3
1
8
063
"DB3
10pF
vesrs."
RPI72
50
DVI
DVI
CON.
CND1
-
O
DD1
DO2
MMBIT8
M
1BD4148
DCLK.
6
>>DB[7
.01
3.5
CD43
DUO
II
CD44
PD
DATA
7
C
4.7K
X
8C
RD11
CD45
906
905
806
ODI
3
2
1
.
pIA
,
5123
..."/\/`
+/V
N."
6
7
H2
"DI32
10pF
CD47
10pF
084
"084
L
CD48
10pF
085
"DS.
,
CD49
086
/-
\
0
I
b
CD50
I
---''
0B7
007
10
F
10pF
GND
CD46
RA0-00120-1123
RPD3
GD0
4
GDI
3
tra77
GD3
1
5
6
7
DG2
oG3
"DG3
10pF
10pF
3,5
00)7_01
>
CD51
DOO
/"N.,
G0
CD52
D4c\
1
10pF
CD53
DVI-DET
l6
C
RXC-
1
7
C
RX0+
18
CD54
19
0
O
C
DDC_CLK
DDC_DAT
NC
HPD
RX0-
RX0+
SHLD0/5
RX5-
RX5+
zz
OO
RXC+
SHLDC
RX3+
RX3-
SFILD1/3
IRX1-
RX1+
RX4+
SHLD2d4
RX2+
0
RX2—
GND
0
24
RXC-
O
23
RXC
,
-
22
O
1
3
X
O
11
0
9
V
1
R031(X)
4K7
RX1-
F-ZX
X
X
RX24
GND
RX2-
GND
10pF
II
0055
D
(X)
054
D
C
61
004
i
0S4
CD56
10pF
A
10pF
D•
(X)
A
GD5
3
6
0O5/\01)5
I
CD57
C
RX0-
M;
1
t.it
;e
.\
\LD
DG
C3i
7
lopF
I
CD58
ODD
2
'
4.
"
7
o
10pF
RD0
4
RDI
3
R02
2
R03
RA0-00120-1123
RPD5
5
6
7
8
ZENER
5.6V)0603)
ZENER
5.6V(0603)
10pF
V
D•
(X)
D•
(X)
10pF
GND
A
C
RX1-
A
,
1
-
C
CD61
CD62
RD,
1
"
C\(
0
)
:
4
t
10pF
RD
5
3
6
400
2
.."1\/`
7
D
i
24
7
GR5
\
DR6
/NDR6
2f 2l
z
.
VR*9Q1A
4
B123
RA600120-1123
RD12A42R
RD13A
A
2
,
2R
3,5
D
.f7
.01
>>
CD59
DR0
(
CD60
041
DR2
c\DR2
DR3
/-
\
DR3
10pF
10pF
CD63
10pF
CD64
10pF
CD65
10pF
CD66
ZENER
5.6V)0603)
ZENER
5.6V(0603)
D•
(X)
D
X)
A
C
OX2-
A
2
-
C
ZENER
5.6V(0603)
ZENER
5.6V)0603)
ZDD4(X)
ZDD9(X)
A
C
R0C-
A
r
VC
10pF
V
10pF
GND
ZENER
5.6V(0603)
ZENER
5.6V)0603)
>>PBCLK
3,5
CD88(X)i
0pF
>>PA
Ddr-
RD14(
>>PDVSYNC
3
4
.
1:15(
PRI-ISYNC
3
CD67(X)
10pF
D20(X)
OR
CD68(X)
10pF
GND
>>SC0TD
3
RD21
.
OR
KSCL
RD22
.
""
KSDA
CD69(X)
C070(X)
CD72(XDVCC
OVCC
10pF
10pF
10pF
CD71(X)
GND
10pF
PD
DCLKI
RD32(
OR
PD
DCLK
PD
DATAI
RD3
R
PD
DATA.
RD25
4.7K
RD24(X)
J
RD26(X)
4.7K
4.7K
RD27
GND
4.7K
GND
DD
X)
ZD•10(X)
A
C
PD
DATA
A
C
PD_DCLK
GND
ZENER
5.6V(0603)
ZENER
5.6V(0603)
GND
ViewSonic
Corporation.
Tide
DVI
VX500
(VLCDS22825-
XY)
ate:
Monday,
June
18,
2001
Sheet
I
4
of
8
ViewSonic
Corporation
40
VX500-1