18
420WN6 LCD TV
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Failure description
Phenomenon
Vertical block defect
Vertical dim lines
Vertical lines defect
(Always bright or dark)
Horizontal block defect
Horizontal dim lines
Horizontal lines defect
(Always bright or dark)
Has bright or dark pixel
Polarizer has bubbles
Polarizer has bubbles
Foreign material inside
polarizer. It shows liner or
dot shape.
Concentric circle formed
Bottom back light of LCD is
brighter than normal
Back light un-uniformity
Backlight has foreign material.
Black or white color, liner or
circular type
Quick reference for failure mode of LCD panel
this page presents problems that could be made by LCD panel.
It is not necessary to repair circuit board. Simply follow the mechanical
instruction on this manual to eliminate failure by replace LCD panel.
Failure Mode Of Panel
Содержание BDL4221V/00
Страница 39: ...39 420WN6 LCD TV Go to cover page BLOCK DIAGRAM Main Board ...
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Страница 41: ...41 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
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Страница 43: ...43 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
Страница 44: ...Go to cover page 420WN6 LCD TV 44 SCALER DIAGRAM ...
Страница 45: ...45 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
Страница 46: ...Go to cover page 420WN6 LCD TV 46 SCALER DIAGRAM ...
Страница 47: ...47 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
Страница 48: ...Go to cover page 420WN6 LCD TV 48 SCALER DIAGRAM ...
Страница 49: ...49 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
Страница 50: ...Go to cover page 420WN6 LCD TV 50 SCALER DIAGRAM ...
Страница 51: ...51 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
Страница 52: ...Go to cover page 420WN6 LCD TV 52 SCALER DIAGRAM ...
Страница 53: ...53 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
Страница 54: ...Go to cover page ...
Страница 55: ...55 420WN6 LCD TV Go to cover page SCALER DIAGRAM ...
Страница 56: ...Go to cover page 420WN6 LCD TV 56 SCALER BOARD C B A ...
Страница 57: ...57 420WN6 LCD TV Go to cover page SCALER BOARD C B A ...
Страница 58: ...Go to cover page ...
Страница 59: ...59 420WN6 LCD TV Go to cover page POWER BOARD C B A ...
Страница 60: ...Go to cover page ...
Страница 61: ...61 420WN6 LCD TV Go to cover page IR CONTROL DIAGRAM ...
Страница 62: ...Go to cover page 420WN6 LCD TV 62 IR CONTROL BOARD C B A ...
Страница 63: ...63 420WN6 LCD TV DSUB DIAGRAM Go to cover page ...
Страница 64: ...DSUB C B A 64 420WN6 LCD TV Go to cover page ...
Страница 65: ...65 420WN6 LCD TV DSUB C B A Go to cover page ...
Страница 66: ...TUNER DIAGRAM FOR 420WN6QS 93 AND 420WN6QS 97 66 420WN6 LCD TV Go to cover page ...
Страница 67: ...67 420WN6 LCD TV Go to cover page TUNER C B A FOR 420WN6QS 93 AND 420WN6QS 97 ...
Страница 68: ...TUNER C B A FOR 420WN6QS 93 AND 420WN6QS 97 68 420WN6 LCD TV Go to cover page ...