Akai PDP4294LV1 Instrukcja Obsługi Pobierz pdf (Strona 89)

Vertical defect (line)

This phenomenon is due to COF IC inside short or adherence part of the Film and rear panel electrode problem.

In this case, replace the panel.

4. Trouble shooting.

This is MCM of Ctrl b/d defect. MCM can not be replaced separately. So replace the ctrl b/d.

1 line open or short

Line open or short with same distance.

MCM (Multi Chip Module)

1 line open

In case of 1 line open or short , check foreign substances in COF connector.

First blow up foreign substances with your mouth. And then if the same line appears, replace the panel.

1 electrode open

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Akai PDP4294LV1 Instrukcja Obsługi Strona 89