Symptom:
No picture (black Screen)
Figure 28
Suggestion:
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 of the screen.
If the pixels are
faintly lit
, the defect is most
likely located in one of the following boards:
A) SS-Board
B) SS2-Board
C) SS3-Board
1.
Check the status of the LED located on
the SS-Board; if the LED is dark, a
malfunction of the SS-Board is suspected.
SS Board
Figure 29
2.
Listen to the buzz noise of the SS-board. If the
buzz noise is not present, a malfunction of the
SS-Board is suspected.
3.
Verify the input signals at connector SS23.
48
Summary of Contents for TH37PA20U - 37" SDTV PLASMA DISPLAY
Page 2: ...2 ...
Page 6: ...6 ...
Page 25: ...SC Board Explanation Figure 12 25 ...
Page 29: ...Figure 16 29 ...
Page 56: ...Test Point locations Figure 38 56 ...
Page 60: ...I2 C Menu Structure The values indicated in this flowchart are sampled data Figure 41 60 ...