Remove the three black screws in rear low cover.
Remove the six black screws.
[1] Remove the four silver screws (1) remove the panel stand from the panel holder as in the arrowed direction.
[2] Remove the four silver flat screws (2).
[3] Remove the two black screws (3).
[4] Remove the two silver screws (4).
[5] Remove the panel holder from PDP.
[6] Disconnect CN901 & CN903 from PDC board.
[7] Remove the four silver screws (5) and remove the PDC board.
[1] Remove the 8 silver flat screws around the two panel holder (1).
[2] Remove all aluminum foil around panel (2), after assemble the new panel, must re-fix the aluminum foil , if it is broken, change a new one, otherwise the EMI can be affected.
[3] Remove the four silver screw around the panel corner (3).
940 Tow people must hold the panel holder 1 and 2 respectively, and then uplift the panel module and move it out from the front cover [Bezel].
PANEL [INTERNAL VIEW]
PANEL DEFECTS
A panel may have defective cells that cannot be controlled. These defective cells can be categorized into three types;
- Non-lighting cell defect: defect in which the cell is always off
- Non-extinguishing cell defect: defect in which the cell is always on.
- Flickering cell defect: defect in which the cell is flickering.
Test Pattern: Full White, Full Red, Full Green and Full Blue with 1023 (10 Bit) gray level.
The display effect specifications define the allowed limits for display cell defects are used as the criteria in determining whether a panel should be allowed.
Item | Number of cell defects | Distance between cell defects |
Non-lighting cell defect | Zone A: 3 and less Zone B: 8 and less | |
Non-extinguishing cell defect | Zone A: 0 Zone B: 1 and less | Regardless of A and B zone, Distance between the cells is over 15mm |
Total Defect | Total number of cell defects in Zone A and B is 8 and less | |
Flickering cell defect | Zone A: 0 Zone B: 1 and less |
DEFINITION OF PIXEL DEFECTS
Defects of Glass Filter
But, the distance between defects must be over 30mm.
Both parties shall settle any defect without prescribed contents on the specifications on deliberation.