LG 50PW450 Service Manual - Page 28
Mal-discharge/Noise/dark picture
 |
View all LG 50PW450 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 28 highlights
Repair Process PDP TV Symptom Check Picture problem Type ☞A14 Mal-discharge Dot type Scan Type A. Picture Problem Mal-discharge/Noise/dark picture ☞A15 Check CTRL ROM Ver. and Rom Upgrade Normal N Picture? Y Close ☞A5 Check voltage . -VY / VSC (Y-Sus B/D) Normal Picture? N Replace Y-Sus B/D ☞A16 Check Y Y Drive B/D & Replace B/D Making Revision 2010. 11. 16 전자 - 6-2 3/10 Replace Control board Normal N Picture? Y Close Normal Picture? Y Close ☞A13 N 1.Check Control B/D 2.Replace Board Replace Module N Normal Picture? Y Close Picture Noise Check RF Cable Connection Dark Picture Check Picture mode setting Normal Picture? ☞A6-1, 2 N Check Tuner & Replace Y Close Normal Picture? ☞A9 N 1. Check Z-Sus Board 2. Replace Board Y Close 3 Normal N Picture? Y Close Replace Module ⓒ LG Electronics. Inc.2010
-
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
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
 |
 |
