Haier LT22M1CWA Service Manual

Also see for LT22M1CW: User manual User manual Manuale dell'utente

Haier LT22M1CWA Service Manual Manual pdf 38 page image

22”LCD TV Haier LT22M1CWA<22M1CW387. White Balance, Luminance AdjustmentApproximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.YPbPr Mode Display AdjustmentWhite balance adjustment (B)General set-up :Equipment Requirements: Minolta CA-110 or Equivalent Color analyzer, Quantum Data Pattern Generator 802G,802BT or equivalent instrumentInput Signal Type: YPbPr signal1. 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 signalInput Injection Point: YPbPr (RAC jack)720P, TVBar100 patternAlignment method:Initial Set-up:1. Select source as “Component”.2. Set Picture mode as “User” and to be Contrast =50 (CMO), Brightness=50 (CMO), at normal menu mode.3. Apply “TVBar100” pattern with color bar pattern by signal generator.4. Enter factory mode menu: press Numeric keys “062596” + DISPLAY key. (FAC mode menu).Then select“Factory” item.Alignment:1. 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.2. Apply Flat80 pattern (80% white pattern).3. Set color temperature to “NORMAL”.4. At FAC mode menu, adjust the CLR TEMP R, CLR TEMP G, CLR TEMP B values to meet “NORMAL” colorcoordinates specification below. Then store those values to NVM.Color temperature Normal/Warm/Cold (x, y) co-ordinates specification:Normal Cool WarmCCT 6500º K 7500º K 5800º Kx 0.314 ± 0.025 0.300 ± 0.025 0.326 ± 0.025y 0.324 ± 0.025 0.310 ± 0.025 0.335 ± 0.025Table: Reading with Minolta CA-110.5. Check the 16 grayscale pattern should be distinguished and color bar is correct