Adjustment - Panasonic TH-65PF20W Service Manual

10.2. Adjustment

10.2.1. RGB white balance adjustment
Instrument Name
• RGB VGA60 W / B pattern
• Color analyzer
(Minolta CA-100 or equivalent)
[Condition]
• 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.
[Adjustment]
1. Set COMPONET / RGB-IN SELECT to RGB.
2. Select the IIC mode [PANEL W / B Adj.] item.
3. Check that the color temperature is [COOL (Hi)].
4. Output a white balance pattern.
5. Touch the signal receiver of color analyzer to the highlight window's center.
6. Fix G drive at E0h and adjust B drive and R drive so x, y become the [Color temperature
COOL (Hi)] in the below table.
7. Increase R / G / B together so the maximum drive value in R / G / B becomes FCh.
8. Set color temperature to [NORMAL (Mid)].
9. Fix G drive at E0h and adjust B drive and R drive so the highlight window's x, y becomes
the [Color temperature NORMAL (Mid)] in the below table.
10. Increase R / G / B together so the maximum drive value in R / G / B becomes FCh.
11. Set color temperature to [WARM (Low)].
12. Set G drive to E0h and adjust B drive and R drive so the highlight window's x, y become
the [Color temperature WARM (Low)] shown in the below table.
13. Increase R / G / B together so the maximum drive value in R / G / B becomes FCh.
14. Copy the R drive, G drive and B drive data in NTSC, PAL DVI region.
Adjustment target
Hi-light: x ± 0.003 y ± 0.003
Hi-light is target of the number at drive adjustment in the hi-light windows.
Therefore, it is not target of the hi-light number at after adjustment white balance.
Connect to
PC input
Panel surface
Steps
33
TH-65PF20W / TH-65PF20T
Setting
User setting: Normal
(Picture menu: STANDARD)
Remarks
Picture Menu: Standard
User setting: Normal
Aspect: Full (16 : 9)
Position and size: Normal
• [7] key : color temperature select.
• [9] key : Picture menu select.
• Highlight section Signal amplitude 75%
• Drive standard G: E0h