Troubleshooting for Picture Trouble
Where is
the symptom
displayed?
*Note
:Panel gas leakage
Because of a very small crack in the
panel, gas leakage will start.
In this picture, gas leakage started at
the left top corner.
Finally, gas leakage will lead to the
symptom
“No picture with buzz
noise”.
<How to determine the defective board>
Start
Upper or Lower half
(from front view)
Upper half
Lower half
Both area
SU Board
(or D, or SC)
SD Board
(or D, or SC)
SC Board
(or D)
Right half
Left half
Left or Right half
(from front view)
D Board
(or C1, or Panel)
D Board
(or C2, or Panel)
Some part of the screen
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