Monday, November 05, 2012

LCD TV _ FAULTS _ SYMPTOMS



PANEL FAILURE

Vertical Bar
Failure name: V B/D  Part: TCP




Vertical gray line.
Failure name:  V Dim  Part: TCP



Vertical color line [light or dark forever].  
Failure name: V L/D.  Part: TCP


Horizontal Bar. 
Failure name: H B/D.  Part: TCP


Horizontal gray line.
Failure name: H Dim. Part: TCP


Horizontal line [light or dark forever].
Failure name: H L/D.  Part:TCP


BLOCK DEFECT


  • TCP cracking.
  • Dim or L/D: 
  • TCP Sunken.
  • TCP Lead cracking.
  • AFC bonding short
  • Awful environment and something electric enter into LCD.
  • Misalign between TCP and Panel.
  • Panel failure.
  • TCP failure.



PANEL OR POLARIZER

Dot defect. Bright dot, dark dot in panel.  


Polarizer bubble.  Bladder in Polarizer.  Bladder between polaririzer and top glass.




Polarizer scratch. Tine or rigidity arose.



F/M inside polarizer.  Eyewinker inside polarizer.


Contd:

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