48
Symptom:
No picture (black Screen)
v
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) S3-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.
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 SS3 and SS1.
SS Board
Figure 39
Figure 38
