ViewSonic VP2650WB Service Manual page 68

+ 3. 3V _IN
A1
A _ E DID_V CC
C 13
0. 1U K
U 1
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
A T24C02N-10S U-1.8
DS UB _S DA
DS UB _S CL
A _E DID_V CC
R 21
10K
W P _DS UB
R 23
Q1 B
2N3904S
10K
TP22 TP23 TP24 TP25
J3
TP26 TP27 TP28
1 R X2-
1
9 R X1-
9
R X0-
17
17
2 RX2+
2
10 RX1+
10
18 RX0+
18
3
3
11
11
19
19
4
4
12
12
TP 73
20
20
5 TP 29 TP30 TP31 TP32 TP33 TP34
5
13
13
21
21
6
6
14
14
22
22
7
7
15
15
23 R XC+
23
8
8
HP _DE T_DV I
16
16
24 R X C-
24
G1
G1
G2
G2
G5
G5
G6
G6
D 6 D7 D 8 D9
B ZV 55C6V2 B ZV 55C6V2 B ZV 55C6V2 B ZV 55C6V2
2K 22030024
Factory must use a DVI-D cable whose
pin-16(Hot-Plug-Detect) is connected to GND
while programming DDC Data(DVI-D data)
H D C P _CTRL
ViewSonic Corporation
TP11 TP12 TP13
P C5V
D N 5
A2 P C5V
BAV70 D1
B ZV 55C6V2
R7 R8
15K 15K
W P _DS UB
R 11 100
R 12 100
C 16 C 17
47P J 47P J
D2 D 3
B ZV 55C6V2
B ZV 55C6V2
D4
B ZV 55C6V2
R 19
R 22 D 5 10K
10K
B ZV 55C6V2
W P _EN
+ 3. 3V _IN
R 24 100
D V I_S CL
D V I_S CL
R 25 100 RX0+/-
DV I_S DA
DV I_S DA
DV IP C5V
R 91 100
R 32
DV I_CA B
4 .7 K
J
BAV99
J
D N11
BAV99
J
D N12
Z D 2
BAV99
B ZV 55C6V2
J D N 13
BAV99
W P _DV I
R 37
D N 14
47
HP _DE T_DV I
4 Rx differential pairs should be
impedance control within 100ohm +- 5% ,
keep side by side and nearly equal length
R 38 pair to pair space should keep >3x intra-pair space
B Q2
N C
NC
65
Confidential - Do Not Copy
+ 3. 3V _IN
0. 1U K 0. 1U K
C 11
C9 C 10
J J J
TP14 TP15
BAV99 BAV99 BAV99
D N 2 D N 3 D N 4
0. 1U K
Trace , not GND plane
J2
6
11 1
7
12 2
8
13 3
9 TP18
TP19
14 4
10 R 90 100
15 5 W P _EN
V GA _CAB
ZD 1
B ZV 55C6V2
R 16 20
R 17 20
R 20 C 20
C 21
10K
27P J 27P J
C 22 C 23
C 24 C 25
0. 1U K 0. 1U K
0. 1U K RX1+/- 0. 1U K RX2+/- RXC+/-
R 26
R X0-
J
D V IRX0-
10
BAV99
J RX0+ R 27
D N 6
DV IRX0+
10
BAV99
J R X1- R 28
D N 8
D V IRX1-
10
BAV99
RX1+ R 31
J D N 9
DV IRX1+
10
BAV99
R X2-
D N 10 R 33
D V IRX2-
10
RX2+ R 34
DV IRX2+
10
R X C- R 35
D V IRXC-
10
R XC+ R 36
D V IRXC+
10
VP2650wb-1
2007/08/01
C12,C14,C15,C18
0.1U
2007/07/24
R5,R9,R14
Change from 47 to 120 for ring issue
2007/11/02 R4 R6 R13 NC
Change C118 C119 C120 to R105 R106 R107 for ring issue
2007/11/02
R5 R9 R14 to 10 for ring issue
TP16
R 4 R 105
N C 75 F
L1
R5 10 J
R+
C 12 0. 1U K
RE D+
Z31
TP17
R 6 R 106
N C 75 F
L2
R9 10 J
G+ C 14 0. 1U K
GRE E N+
R 10 470
Z31
C 15 0. 1U K
SOG
TP 20
R 13 R 107
N C 75 F
L3
R 14 10 J
B+ C 18 0. 1U K
BLUE+
Z31
AVS
AHS
2007/08/23
new add C118,C119,C120 location to fine tune ring issue
2007/09/06
L1,L2,L3
6H.60060.0T2 change into 6H.80060.0N2 (Ring issue)
ATI OK , Nvidia Not OK (N Card issue)
R5,R9,R14
6C.12133.151 change into 6C.10133.151(Ring issue)
+ 3. 3V _IN
DV IP C5V
D N 7
A1 A2
BAV70
C 26
0. 1U K
R 29 R 30
U 3
15K 15K
1 8
A0 VCC
2 7
A1 WP
3 6 D V I_S CL
A2 SCL
4 5 DV I_S DA
GND SDA
A T24C02N-10S U-1.8
C 27 C 28
47P J 47P J
W P _DV I
ViewSonic Corporation
Model
Title
DVI & VGA
Date Rev: