ViewSonic VA702B Service Manual - Page 43
Q101,Q102,Q107,R103
 |
UPC - 766907146417
View all ViewSonic VA702B manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 43 highlights
7. White Screen White Screen LVDS Cable Reinsert OK Workmanship NG Change LVDS Cable OK LVDS Cable NG NG Check VLCD is 5V OK OK Check LVDS signals Panel Fail NG Check Panel-Enable of U105(pin2) is low OK NG Check the HWRESET of U104 exists NG Check RP101 NG OK Check Q101,Q102,Q107,R103 Check the pins of U105 END ViewSonic Corporation Confidential - Do Not Copy 40 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
40
7.
White Screen
White Screen
Workmanship
LVDS Cable Reinsert
Change LVDS Cable
Check VLCD is 5V
Check Panel-Enable of
U105(pin2) is low
LVDS Cable NG
Check the HWRESET of
U104 exists
Check RP101
Check the pins of
U105
END
OK
NG
OK
NG
OK
OK
NG
OK
NG
NG
Check LVDS signals
OK
Panel Fail
NG
Check
Q101,Q102,Q107,R103