Vizio VW22LHDTV10T, Service Manual

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22 ″ LCD TV Vizio VW22LHDTV10T
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7. White Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.
Before started adjust white balance, please set the Ca210 Channel to 03 Channel and set it’s mode to xyLv mode.
Color Temp. Cold Normal Warm
x 285 295 313
y 293 305 329 HDMI MODE
Y Panel max luminance
Note: The tolerance of the color coordinates should be less than ± 5.
How to setting the Ca210 channel, you can reference to Ca210 user guide or simple use the “Memory CH” up or
down to set the channel to 03 channel, and use the “Mode” key to set the mode to xyLv.
Following is the procedure to do white-balance adjust
Note: We can only the HDMI white balance to cover the white balance of all source mode, This method is
meet to the Zoran 770 software.
HDMI mode:
. In th
Ⅰ
e TV mode adjust volume to zero, press mute key, then press number key 9 Æ 8 Æ 7 Æ 6. It will
achieve the factory mode. Select the item of White Balance and press right key to enter it.
.before Ⅱ to adjust the white balance, please press the factory mode OSD of “Reset” to reset all white
balance factory setting.
In the White Balance you can adjust 8 items.
1-3 items is RO, GO, BO Æ R, G, B Bias adjust.
4-6 items is RG, GG, BG Æ R, G, B Gain adjust.
7 item is Def_contrast_all_mode adjust
8 item is Def_brightness_all_mode adjust
9 item is Colortemp_all_Mode adjust
10 item is color temperature select: Cool, Normal, and Warm.
. Gain adjustment:
Ⅲ
A. Adjust Cool color-temperature:
1. Set the pattern generator to pattern 104 or 0 IRE pattern. And adjust the Item 8 to min luminance.
2. Switch the Ca210 to xyLv-mode (with press “MODE” button)
3. Switch the Ca210 channel to Channel 03 (with up or down “MEMORY CH” button)
4. The LCD-indicator on Ca210 will show x =289, y =304, Lv can adjust to max luminance.
5. Use the item 1 and item 3 to Adjust black balance :use 30 IRE(Pattern 115) signal,and adjust the black
balance,until the Ca210 show x =285, y =293.
6. Use the item 4 and item 6 to adjust white balance: use 100 IRE (Pattern 105) signal, and adjust the white balance,