AOC L32W861 - SERVICE MODE - ADJUSTMENTS - POWER SUPPLY SCHEMATIC

AOC L32W861 - SERVICE MODE - ADJUSTMENTS - POWER SUPPLY SCHEMATIC

Service Mode - White balance and Chroma Adjustments - SMPS Circuit Diagrams - Used ICs: FAN7529MX – LD7522PS – STP10NK70ZFP(FET) – STR-A6069H

SERVICE MODE

In the TV mode adjust volume to zero, press mute key and press number key 9 8 7 6. It will achieve the factory mode.

SMPS SCHEMATICS

[Only the HDMI white balance to cover the white balance of all source modes, this method is meet to the Zoran 770 software.  Before 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 > R, G, B Bias adjust.
4-6 items is RG, GG, BG > R, G, B Gain adjust.
7 items is Def_contrast_all_mode adjust
8 item is Def_brightness_all_mode adjust
9 item is Color temp_all_Mode adjust
10 item is color temperature select: Cool, Normal, and Warm.

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 =276, y =278, 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 =276, y =278.
6. Use the item 4 and item 6 to adjust white balance: use 100 IRE (Pattern 105) signal, and adjust the white balance, until the Ca210 show x =276, y =278.
7. Adjust item 7 to check color temperature is saturation or not: Add by 7 steps and then to adjust the item 4 and item 6 to check the color temperature is saturation or not, until is saturation.
8. Enter the item 10 to select another color temperature to adjust.

Adjust Normal colour-temperature
1. Set the pattern generator to pattern 104 or 0 IRE pattern. and adjust the Item 8 Cool color-temperature’s item 8 value.
2. Switch the Ca210 to T△uvLv-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 T=9300.
5. Adjust the 9 item: Colortemp_All_Mode_Normal, until Ca210 indicator reached the value T=9300
6. Adjust item 7 to check color temperature is saturation or not: Add by 7 steps and then to adjust the item 4 and item 6 to check the color temperature is saturation or not, until is saturation.
7. Loop the Item 5 and Item 6, until the T=9300 and RG/BG is saturation
8. Enter the 8 item to select another color temperature to adjust.

Adjust Warm color-temperature
1. Set the pattern generator to pattern 104 or 0 IRE pattern. And adjust the Item 8 Cool color-temperature’s item 8 value.
2. Switch the Ca210 to T△uvLv-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 T=6500.
5. Adjust the 9 item: Colortemp_All_Mode_warm, until Ca210 indicator reached the value T=6500
6. Adjust item 7 to check color temperature is saturation or not: Add by 7 steps and then to adjust the item 4 and item 6 to check the color temperature is saturation or not, until is saturation.
7. Loop the Item 5 and Item 6, until the T=6500 and RG/BG is saturation
8. Enter the 8 item to select another color temperature to adjust.
Press “Exit” button on remote control to quit from factory mode.