ViewSonic VA702B Service Manual - Page 44
WRZ/AD0/AD1/AD2
 |
UPC - 766907146417
View all ViewSonic VA702B manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 44 highlights
8. Bad Screen Bad Screen OK LVDS Cable Reinsert NG OK Change LVDS Cable NG NG Check Crystal:pin20,21 of U105 and pin 33,34 of U104 OK NG Check the communication of U104 and U105 OK Check the pins of U104 and U105 Workmanship LVDS Cable NG 1.Check X101,C154,C155 2.Check X102,C126,C168 Check ALE/RDZ/ WRZ/AD0/AD1/AD2/ AD3/HWRESET ViewSonic Corporation Confidential - Do Not Copy 41 VA702-1_VA702b-1
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39 -
40 -
41 -
42 -
43 -
44 -
45 -
46 -
47 -
48 -
49 -
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
 |
 |
ViewSonic Corporation
Confidential - Do Not Copy
VA702-1_VA702b-1
4
1
8.
Bad Screen
Bad Screen
Workmanship
LVDS Cable NG
1.Check
X101,C154,C155
2.Check
X102,C126,C168
Check ALE/RDZ/
WRZ/AD0/AD1/AD2/
AD3/HWRESET
Check the pins of
U104 and U105
LVDS Cable Reinsert
Change LVDS Cable
Check Crystal:pin20,21 of
U105 and pin 33,34 of U104
Check the communication
of
U104 and U105
OK
NG
OK
NG
NG
OK
NG
OK