Sharp LC-26SH330, Service Manual

Page: 39 / 223

2008-03-14
LC-26SH330, LC-32SH330, LC-42SH330
39
Then store those values to NVM
4>. Set color temperature to “COOL”.
5>. At factory mode menu, adjust the CLR TEMP R, CLR TEMP G, CLR TEMP B values to meet “COOL” color coordinates specification below.
Then store those values to NVM
6>. Set color temperature to “WARM”.
7>. At factory mode menu, adjust the CLR TEMP R, CLR TEMP G, CLR TEMP B values to meet “WARM” color coordinates specification below.
Then store those values to NVM
Color temperature Normal/Warm/Cool (x, y) co-ordinates specification:
Reading with Minolta CA-210.
Note:
1>. Use Minolta CA-210 for color coordinates and luminance check.
2>. Before adjusting, all colour analyzers (CA-210) should be coordinates with a same reference TV set.
3>. Check the luminance in the center of the screen with 100% White when Brightness control at 100; Contrast control at 100
Luminance > 350 cd/m
2
<< For 26” only at color temp.- cool mode >>
> 360 cd/m
2
<< For 32” only at color temp.- cool mode >>
> 320 cd/m
2
<< For 42” only at color temp.- cool mode >>
PC mode display adjustment
1) Auto color for signal slicering
General set-up :
Equipment Requirements: Minolta CA-210 or Equivalent Color analyzer, Chroma 2250 or equivalent PC signal generator
Input requirements:
Input Signal Type : PC VGA signal
1>. 1024X768/60Hz PC mode with “5 white block” pattern. (see pattern-1)
Input Signal Strength : 0.7 Vp-p linear voltage.
Input Injection Point : PC D-SUB input
Pattern-1
Alignment method:
Initial Set-up:
1>. Select source as “PC”.
2>. Set Contrast = 50 (Sharp) and Brightness=100 (Sharp) , at normal menu mode.
3>. Apply “5 white block”(pattern-1) pattern by VGA pattern generator.
4>. Enter factory mode menu: press MENU + Numeric keys “1999” (factory mode menu).
Alignment:
1>. At factory mode menu, select AUTO_COLOR item. Then press “OK” key to adjust ADC_GAIN_R, ADC_GAIN_G, ADC_GAIN_B and
ADC_OFFSET_R, ADC_OFFSET_G, ADC_OFFSET_B. Then store those values to NVM.
Picture Mode x y
Normal (9000
o
K) 0.289±0.003 0.291±0.003
Cool (12000
o
K) 0.272±0.003 0.277±0.003
Warm (6500
o
K) 0.314±0.003 0.319±0.003