Hitachi L32A403 - 31.51" LCD TV, Service Manual, Page: 8 / 79

L32A403
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6. Adjustment
6.1 ADC adjustment
Ⅰ
. In the TV mode adjust volume to zero, press menu key and then press number key 1 Æ 9 Æ 9 Æ 9. It will
achieve the factory mode. Select the item of White Balance and press right key to enter it. The factory menu
follow picture:
Change TV, press the item “Current Source” to Component mode and change signal to 1080i mode, press the item
“Auto Color”; Change TV, press the item “Current Source” to PC mode and change signal to PC TIMING
137(1024X768) Pattern 147 (16 Grays), press the item “Auto Color”.
6.2 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 05 Channel and set it’s mode to xyLv mode.
Color Temp. Cold Normal Warm
x 272 285 313
y 278 293 329 HDMI MODE
Y Panel max luminance
Note: The tolerance of the Cold color coordinates should be less than ± 10; The tolerance of the Normal
color coordinates should be less than ± 20; The tolerance of the Warm color coordinates should be less than
± 20;
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 05 channel, and use the “Mode” key to set the mode to xyLv.
Following is the procedure to do white-balance adjust