Panasonic TH-103PF10UK - 103" Plasma Panel, Service Manual, Page: 62 / 131

TH-103PF10UK/EK
8.2. Adjustment
8.2.1. RGB white balance adjustment
Instrum ent Name Connection Remarks
RGB V G A W / B pattern
C olor analyzer
(Minolta CA-100 or equivalent)
PC input
Panel surface
User setting: Normal
(Picture menu: Standard)
Procedure Remarks
Ensure aging is adequate.
Make sure the front panel to be used on the final set is fitted.
Make sure a color signal is not being shown before adjustment.
Put the color analyzer where there is little color variation.
Picture Menu: Standard
Picture: 25
Aspect: Full
Position and size: Normal
1. Set C O M PO N ET / RGB-IN SELEC T to RGB.
2. Select the IIC mode “ PANEL W / B Adj.” item.
3 . Check that the color tem perature is “CO O L (H igh)”.
4 . O utput a white balance pattern.
5. Touch the signal receiver of color analyzer to the highlight w in d o w ’s center.
6. Fix G drive at E0h and adjust B drive and R drive so x, y become the “C olor tem perature
H igh” in the below table.
7. Increase R / G / B to gether so the m axim um drive value in R / G / B becom es FCh.
8 . Set color tem perature to “ NORM AL (M edium )”.
9. Fix G drive at E0h and adjust B drive and R drive so the highlight w in d o w ’s x, y becomes
the “C olor tem perature M edium ” in the below table.
10. Increase R / G / B to gether so the m axim um drive value in R / G / B becom es FCh.
11. Set color tem perature to “WARM (Low )” .
12. Set G drive to E0h and adjust B drive and R drive so the highlight w in d o w ’s x, y become
the “C olor tem perature Low” shown in the below table.
13. Increase R / G / B to gether so the m axim um drive value in R / G / B becom es FCh.
14. Copy the R drive, G drive and B drive data in NTSC, PAL DVI region.
T a b le 1 W / B a d ju s t m e n t v a lu e s
Highlight section Signal amplitude 75%
Color temperature
X
У
High 0.276 0.276
Medium 0.288 0.296
Low 0.313 0.329
C utoff standard G: 80h
D rive standard G: E0h
Adjustm ent target
Hi-light: x ± 0.003 y ± 0.003
Hi-light is target of the num ber at drive adjustm ent in the hi-light windows.
Therefore, it is not target of the hi-light num ber at after adjustm ent white balance.
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