Panasonic TH-40C200DX Service Manual page 14

Ms306bp-apchassis
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5.4. White Balance adjustments (Manual)
Before adjustment ,you must make sure the ADC status(only PC and YPbPr)
is
"success"and
AV1,YPbPr,PC,HDMI1 need to be adjusted. HDMI1 should be the first.
5.4.1. Signal and generator
The pattern of the signal should be used are White (Chroma2329 pattern
113) and Grey (pattern 114).
The format of signal are respectively 720P for HDMI1 (Chroma2329
Timing 69),PAL (Chroma2329 Timing38) for AV1,1024X768@60Hz(Chroma2329
Timing14) for VGA and 720P(Chroma2329 Timing79) for YPbPr.
5.4.2. Steps of adjustment
1).Enter the factory menu-> White Balance, select source HDMI 1 and
Normal Temperature.
2).Input grey signal in 720p format.
3).Change R-OFFSET and B-OFFSET to make sure the value of color
coordination equal to (X=0.280 +/-0.015;Y=0.290 +/-0.015).
4).Input white signal in 720p format.
5). Change R-GAIN and B-GAIN to make sure the value of color
coordination equal to (X=0.280 +/-0.015;Y=0.290 +/-0.015).
6).Repeat step 2—5 until both of the value of color coordination of
white and grey equal to (X=0.280 +/-0.015;Y=0.290 +/-0.015).
For COOL and WARM color temperature, just repeat step 2—5.The color
coordination we recommend for COOL and WARM color temperature is
respectively(X=0.270 +/-0.015;Y=0.270 +/-0.015) and
(X=0.300 +/-0.015;Y=0.305 +/-0.015).
Color
Analyzer
has
been
calibrated
.Only

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