Service Manual
REV 0.1
60
The angles are determined for the horizontal or x axis and the vertical or y axis with respect to the z axis
which is normal to the LCD module surface.
θ
E
Y
Normal
Ø =0°,Right
ø
Ø =270°,Down
Ø =180°,Left
Ø =90°,Up
Right (Ø =0°)
Left (Ø =180°)
Up (Ø =90°)
Down (Ø =270°)
Θ
(x axis) = 89°
Θ
(x axis) = 89°
Θ
(y axis) = 89°
Θ
(y axis) = 89°
FIG. Viewing Angle
9.5.2.4. Test Signal
(1) Input signal : Standard preset timing (3,840 x 2,160(30Hz) or 1920 X 1080 (60Hz))
(2) Pattern: Red, Green, Blue, White, Black, 60/255 Gray, 127 / 255 Gray pattern.
9.5.3 Inspection Criteria
9.5.3.1 Dot Defect
(1) Bright Dot
Dot (sub-pixels) which appeared brightly in the screen shen the LCM displayed with dark
pattern.
Item
84"
R,G or B 1 dot
Max 4
Adjacent2 dots
Max 1
Adjacent3 dots
0
Total amount of Bright dots
Max 4
(2) Partial Bright Dot
Among Bright dots, the size of Dots(sub-pixels) which appeared less than half size
of sub-pixel is defined as partial bright dot.
Inspection Pattern
84"
Q'ty
Max 30
(3) Dark Dot
Dots (sub-pixels)which appeared darkly in the screen when the LCM
displayed with bright pattern.
Item
84"
1 dot
Max 15
Adjacent2 dots
Max 6
Adjacent3 dots
Max 2
Min. distance
Between dark dots
Min 20mm
Total amount of Dark dots
Max 15
Summary of Contents for KT-LL84ULFX-PD
Page 2: ...Service Manual REV 0 1 2 REVISION HISTORY REVISION DATE NOTE REV0 1 Jun 06 2015 1st issued ...
Page 24: ...Service Manual REV 0 1 24 2 8 No Speaker out from internal speakers ...
Page 25: ...Service Manual REV 0 1 25 2 9 The fault of Remote control ...
Page 26: ...Service Manual REV 0 1 26 2 10 The fault of Key control pad ...
Page 27: ...Service Manual REV 0 1 27 2 11 Image overlap focus or flicker ...
Page 28: ...Service Manual REV 0 1 28 2 12 Brightness defect ...
Page 33: ...Service Manual REV 0 1 33 3 2 Front disassembly 3 2 1 Remove bolts Remove FRONT cover ...
Page 36: ...Service Manual REV 0 1 36 ...
Page 46: ...Service Manual REV 0 1 46 2 Part number 109273 SUB SMPS CN7 AD B D W205 ...
Page 47: ...Service Manual REV 0 1 47 3 Part number 109272 Main SMPS CN4B SUB SMPS CN8 AD Main W200 ...
Page 48: ...Service Manual REV 0 1 48 4 Part number 109271 AD Main W804 5 Part number 109270 AD Main W803 ...
Page 49: ...Service Manual REV 0 1 49 6 Part number 109269 ...
Page 50: ...Service Manual REV 0 1 50 6 Part number 107545 Main SMPS CN4A SUB SMPS CN3 ...
Page 51: ...Service Manual REV 0 1 51 7 Part number 107542 OSD KEY ...
Page 52: ...Service Manual REV 0 1 52 8 Part number 110383 ...
Page 54: ...Service Manual REV 0 1 54 10 Part number 107536 SMPS Converter 11 Part number 107535 ...
Page 55: ...Service Manual REV 0 1 55 12 Part number 108481 ...
Page 56: ...Service Manual REV 0 1 56 41p 13 Part number 108482 ...
Page 64: ...Service Manual REV 0 1 64 10 2 Packaging 10 2 1 Unpacking ...