Factory Modes Adjustment; Adc Adjustment; Wb Adjustment - Philips 42PFL6556 Service Manual

4. Factory Modes Adjustment

Introduction of adjust item:
They both need adjust ADC(Ypbpr&VGA) and WB( Ypbpr/VGA's Normal/Warm/Cool ).

4.1 ADC Adjustment

1.Enter Factory Mode Method
Press RC key 'menu'+'1'+'9'+'9'+'9' or 'menu'+'1'+'9'+'9'+'9'+'recall'.
2. ADC Adjustment Method
First of all: Enter factory mode(same as the above-mentioned).
Second : Select the Item of "Current Source".
Third: Set Timing and Pattern of Source.
Finally : Press the item of "Auto Color" .
3. Set Timing and Pattern of Sources
1.They both need ADC adjust with two sources(YPbPr,VGA).
2.Timing and Pattern Setting : YPbPr:Timing 314 pattern 185

4.2 WB Adjustment

1. Enter into the factory mode:(same as the above-mentioned).
2.Take an example of adjust Ypbpr_Normal:
a.Select item"Source": Ypbpr and item "Color Temp": Normal .
b.Adjust gain of RGB to meet spec in the below setting of tim\pat.
(COMPONENT mode: TIM = 314; PAT = 141(80IRE))
3. Take an example of adjust VGA_Normal:
a.Select item"Source": VGA and item "Color Temp": Normal .
b.Adjust gain of RGB to meet spec in the below setting of tim\pat.
(VGA mode: TIM = 137; PAT = 141(80IRE))
42&46PFL6556/V7 color Temp Spec
VGA: Timing 137 pattern 42
Color Temp
Cool
Normal
Warm
x
0.272 + 0.010
0.285 + 0.010
0.305 + 0.010
31
y
0.278 + 0.010
0.293 + 0.010
0.315 + 0.010