
Symptom:
Horizontal Black Bar
(Completely dark)
Note:
The use of a
magnifying glass
can help
localize the defective printed circuit board. Use
the magnifying glass to take a close look at the
pixels in the area of the black bar.
1 If the pixels are
totally dark
, the defect is
most likely located in one of the following
boards:
Figure 31
a) SC Board
b) SU Board (upper half of the screen only)
c) SD Board (lower half of the screen only)
2. If the pixels are dimly lit, the defect is most likely located in one of the
following boards:
a) SS Board
b) SS2 Board (upper half of the screen only)
c) SS3 Board (lower half of the screen only)
50
Содержание TH42PX20U - 42" HDTV PLASMA DISPLAY
Страница 2: ...2 ...
Страница 6: ...6 ...
Страница 25: ...SC Board Explanation Figure 12 25 ...
Страница 29: ...Figure 16 29 ...
Страница 56: ...Test Point locations Figure 38 56 ...
Страница 60: ...I2 C Menu Structure The values indicated in this flowchart are sampled data Figure 41 60 ...