Acer AT2645 LCD TV Service Menu
Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.
YPbPr Mode display adjustment White balance adjustment (B)
General set-up :
Equipment Requirements: Minolta CA-110 or Equivalent Color analyzer Quantum Data Pattern Generator 802G , 802BT or equivalent instrument Input requirements:
Input Signal Type: YPbPr signal
1. 720P mode, TVBar100 pattern by 802G or 802BT.
2. Select Smart picture to User mode and check the x, y data.
Input Signal Strength: 1 Vpp for Y signal; 700 mVpp for Pb & Pr signal
Input Injection Point: YPbPr (RAC jack)
Photo credit to www.inisdesign.com
Acer AT2635B , Acer AT2645 and Acer AT2646 Color temperature Standard/Warm/Cold (x, y) co-ordinates specification:
Picture Mode x Y
Normal (10000oK) 0.281±0.003 0.288±0.003
Warm (8000oK) 0.295±0.003 0.305±0.003
Cold (13000oK) 0.269±0.003 0.274±0.003
Alignment method Acer AT2635B , Acer AT2645 and Acer AT2646:
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 “MENU+ “234” then enter FAC mode
Alignment:
1. At FAC mode menu, select FACTORY->Picture ->ADC -> Auto Colour item. Then press “>” 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.