Contd:
- THE SCREEN HAS SEVERAL VERTICAL LINES
In this case its not a problem about controller B/D or X B/D. It may cause the following.
- An out of order Panel.
- Open or Short Data COF FPC attached panel.
- Out of order a DATA COF attached panel.
Screen display form:
THE SCREEN DISPLAYS INPUT SIGNAL PATTERN, BUT THE BRIGHTNESS IS DARK
- Z B/D operation is not complete.
- Check the Power Cord of Z B/D.
- Check the connector of Z B/D and controller B/D.
- Replace the controller B/D or Z B/D.
THE SCREEN DISPLAYS OTHER COLOR PARTIALLY ON FULL WHITE SCREEN OF HAPPENS DISCHARGE PARTIALLY ON FULL BLACK SCREEN.
- Check the Declination of Y B/D setup, set down wave.
- Check the declination of Z B/D << ramp wave.
- Measure each output wave with oscilloscope [more than 200HHz] and compare the data.
CENTER OF THE SCREEN IS DARKER THAN THE EDGE OF THE SCREEN AT FULL WHITE PATTERN.
- It's is a problem about Z B/D ramp wave.
- Check the connection cable of Z B/D & CTRL B/D.
- Replace Z B/D.
DOES NOT DISPLAY A SPECIFIED BRIGHTNESS AT SPECIFIED COLOR
- Check the connector of CTRL B/D input signal.
- Replace the CTRL B/D.
POWER SUPPLY UNIT: PSU DGK-420W. Top View.
POWER SUPPLY UNIT: foil side.
TO ENTER SERVICE MODE
- PDP TV Power i On +/- -> Input select key on Remote control.
- Choose composite first and then PDP TV Power i Offi+/-.
- PDP TV Power iOffi+/- & INFO on the remote control => Erase => Enter.
PSU POWER SEQUENCE
End
