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EN 14
5.
LGE PDP 2K5
TCP IC
broken
Figure 5-17 TCP IC broken
Control Board
The Control board supplies the video signal to the TCP. So, if
there is a bar defect on screen, it may be a Control board
problem.
MCM
Buffer
IC
Array
Resistor
6 line
TCP
192 Line output
Figure 5-18 Control board address flow
5.1.3
Line Defect (Vertical)
In case of one line open or shorted, check dirt (foreign
substances) in TCP connector. First, try to remove the dirt with
compressed air. If, after this, the same line appears again,
replace the panel.
Line Open or Short
This phenomenon is due to TCP IC inside short or electrode
problem. In this case, replace the panel.
1 electrode open
(on flex foil)
1 line open
Figure 5-19 Single line defect
Service Modes, Error Codes, and Fault Finding
F_15590_081.eps
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R - array
F_15590_082.eps
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F_15590_083.eps
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Line Open or Short with the Same Distance
This is MCM of Control board defect. The MCM cannot be
replaced separately. So replace the Control board.
MCM (Multi Chip Module)
MCM of CTRL board defect.
MCM can not be replaced separately.
So replace the CTRL board.
Figure 5-20 Evenly repeated lines
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