-79-
Electrical Adjustments
●
Circuit Adjustments
[Adjustment Condition]
●
Input signal
Computer signal .................... 0.7Vp-p/75
Ω
terminated,
16 steps gray scale pattern (XGA),
100% and 50% white pattern (XGA),
1 dot line pattern (XGA)
Composite video signal.......... 1.0Vp-p/75
Ω
terminated,
16 steps gray scale pattern,
color bar pattern (PAL, NTSC)
100% and 50% white pattern
Component Video signal........ 0.7Vp-p/75
Ω
terminated,
16 steps gray scale pattern (480i),
color bar pattern (480i)
●
Picture control mode ................ “STANDARD” mode unless otherwise noted.
White 100%
Black 100%
CAUTION:
The each circuit has been made by the fine adjustment at factory. Do not attempt to adjust the following
adjustments except requiring the readjustments in servicing otherwise it may cause loss of performance
and product safety.
16 steps gray scale pattern
WARNING :
USE UV RADIATION EYE
AND SKIN PROTECTION
DURING SERVICING
CAUTION:
To prevent suffer of UV radiation,
those adjustments must be com-
pleted within 25 minutes.
Note :
■
The following adjustment is the adjustment items for
Assembly power.
1-1. +6V voltage adjustment
■
The following adjustment is the adjustment item for
Switching Regulator.
1-2. +25V voltage adjustment
■
The following adjustments is the adjustment item for
Terminal board-AV. The adjustment data is stored to
Terminal board-AV (IC2143).
2.
AV video signal adjustment
3.
AV 3DNR-PLL lock check
4.
AV color and tint adjustment
■
The following adjustment is the adjustment item for
Assembly sub power and Assembly main. The adjustment
data is stored to Assembly main (IC1811).
5.
Fan driving voltage adjustment
■
The following adjustments are the adjustment items for
Assembly main. The adjustment data is stored to
Assembly main (IC1811).
6.
Video signal center adjustment
7.
PSIG adjustment
8.
Gain adjustment (PC)
9.
Gain adjustment (AV)
10. Gain adjustment (Component)
11. Black level adjustment (PC)
12. Common center adjustment
13. Panel luminance adjustment (PC)
14. White balance adjustment (PC)
15. Panel luminance adjustment (AV)
16. White balance adjustment (AV)
17. White balance adjustment (AV 2Lamps)
■
The following adjustment data is stored to Assembly main
(IC871).
18. Color shading correction.
Содержание LC-XT4E
Страница 102: ...102 IC Block Diagrams CXA2019AQ Video Decoder IC3141 CXA2101AQ Multi Component Processor IC4101...
Страница 103: ...103 IC Block Diagrams CXA2151Q RGB Matrix IC2261 CXD2064Q 3 Line Y C Separator IC2101...
Страница 104: ...104 IC Block Diagrams LA7217 Sync Separator IC2051 IC8041 ML60851 USB Interface IC9801 ICS1523M Clock Driver IC4231...
Страница 106: ...106 IC Block Diagrams Sii169ACT DVI Interface IC8001 PW365 Scan Converter IC301...
Страница 107: ...107 IC Block Diagrams TA1318N Sync Separator Frequency Counter IC1061 TC90A11F 3D Noise Reduction IC5101...
Страница 112: ...112 75 88 88 88 88 73 74 76 60 59 65 64 66 90 67 66 62 91 Fig 89 Fig 90 Mechanical and Optical Parts...
Страница 115: ...115 114 115 102 103 114 119 118 122 117 121 112 125 Fig 95 Mirrors Fig 96 Lenses Mechanical and Optical Parts...
Страница 116: ...116 71 71 116 116 116 116 111 111 110 110 79 82 81 78 Fig 97 MIrrors Fig 98 Optical filters Mechanical and Optical Parts...
Страница 159: ...159 MEMO...
Страница 160: ...LC XT4U E APR 2006 2006 Eiki International Inc A key to better communications...
