Contn: [2]
Flashing. Bright and dark display alternately. Panel and VSC connect bad.
White screen. B/L normal, only white screen display. May be caused by surge current and EDS.
Black screen. B/L normal, only black screen display. May be caused by surge current and EDS.
Flicker. Crosstalk. LCD - Vcom imbalance.
Abnormal color. Capacitance improper bring crosstalk inside LCD panel.
Abnormal color: Only color abnormal.
- Chip loose action.
- IC short or solder joint bad.
- Panel and VSC connect bad.
Mechanical noise. When turn on, panel appear cacophony. Caused by mechanical noise of back light [B/L] unit.
Ripple. Concentric circle. Caused between mechanism and panel.
Back Light ]B/L] off. Loose action. Check the connection.
Back Light [B/L] brightness darker. Check the connection between wire and electrode.
B/L wire damaged. Operation abnormal or noise.
No back light.
Back light shutdowns sometimes.
Check for any loose contact between electrodes and wire to backlight lamp.
F/M in Back Light [B/L]. F/M in B/L unit.
Brightness at the bottom of LCM is brighter than normal. Light leakage. B/L unit bad.
B/L brightness asymmetric. Uniformity. Sheet in the B/L unit is uneven.
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