AOC LE19D1331/30-LE22D1331/30-LE24D1331/30 - 19″/22″/24″ LED TV – Factory mode – White balance adjustment – Power supply 715G5309 , Audio amplifier, MSB DEMOD and headphone pre-amplifier circuit diagram.
White
balance adjustment
1. Press "Menu +1+9+9+9+ Back" to get in the factory mode.
2. Adjust Ypbpr source for this model, take YPBPR Mode “NORMAL” for example;
3. Use remote control to choose “Current Source”, select Ypbpr, Color temp and then choose NORMAL;
4. Adjust the R/G/B value, the temperature adjustment to the required specification range, (Ypbpr TIM 314， PAT 141);
5. Luminance required specification range MAX LV > 160.
White balance value checking
1. Press "Menu +1+9+9+9+ Back" to get in the factory mode.
2. Adjust Ypbpr source for this model, take YPBPR Mode “NORMAL” for example;
3. Use remote control to choose “Current Source”, select Ypbpr, Color temp and then choose NORMAL;
4. Adjust the R/G/B value, the temperature adjustment to the required specification range, (Ypbpr TIM 314， PAT 141);
5. Luminance required specification range MAX LV > 160.
White balance value checking
Check AV,HDMI, VGA source color temperature,
confirm it’s within the specification, if white balance value is not within the
specification, adjust the source again as the steps described above.
Adjustment
specifications are written in the white balance program, test to product
specification shall prevail:
SMPS (Power Board 715G5309P01001002S) Schematic
LED Driver
MSB1400
demod
Audio amplifier
Headphone pre-amplifier
Click on the pictures to magnify
