Haier LT22M1CWA, Service Manual, Page: 39 / 115

22”LCD TV Haier LT22M1CWA&LT22M1CW
39
PC mode display adjustment
White balance adjustment (B)
General set-up:
Equipment Requirements: Minolta CA-110 or Equivalent Color analyzer, Chroma 2250 or equivalent PC signal
generator.
Input Signal Type: PC VGA signal, 1024X768/60Hz PC mode with PGCWRGB 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 “VGA”.
2. Set Contrast = 50 (CMO) and Brightness=50 (CMO), at Standard menu mode.
3. Apply “PGCWRGB”(pattern-1) pattern by VGA pattern generator.
4. Enter factory mode menu: press Numeric keys “062596” + DISPLAY key. (FAC mode menu).Then select
“Factory” item.
Alignment:
At FAC 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.