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8.2.2. RF white balance adjustment
Name of measuring instrument Connection Remarks
W/ B pattern
Color analyzer
(Minolta CA-100 or equivalent)
RF input
Panel surface
Steps Remarks
• 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 colour variation.
Picture menu : Dynamic
ASPECT : 16:9
Adjustment Remarks
1. Display the white balance pattern.
2. Enter the service adjustment mode.
3. A number key [ 1 ] or [ 2 ] are operated and [ WB-ADJ ] is displayed.
Check that the color balance is [ COOL ].
4. Select [ G-CUTOFF ] item, using the number-key [ 3 ] or [ 4 ], and set to [ 80 ], using the
volume-key [ + ] or [ - ].
Also, [ B-CUTOFF ] and [ R-CUTOFF ] set to [ 80 ]
5. Set [ G-DRIVE ] at [ E0 ](37 inch / 42 inch), [ D0 ](50 inch).
6. Touch the signal receiver of color analyzer to the highlight window's center, and adjust B
drive and R drive so x, y become the [ COLOR TEMP COOL ] in the below table.
7. All RGB drive increase so that the maximum drive value of RGB may become [ FC ].
([ ALL-DRIVE ] set to [ FC ].)
8. Set colorbalance to [ NORMAL ] using [ 7 ] key.
9. Fix G-CUTOFF , B-CUTOFF and R-CUTOFF at [ 80 ].
10. Fix G drive at [ E0 ] (37 inch / 42inch), [ D0 ] (50 inch).
11. Adjust B-DRIVE and R-DRIVE so the highlight window’s x, y become the [COLOR TEMP
NORMAL ] in the below table.
12. All RGB drive increase so that the maximum drive value of RGB may become [ FC ].
([ ALL-DRIVE ] set to [ FC ].)
13. Set colorbalance to [ WARM ] using [ 7 ] key.
14. Fix G-CUTOFF , B-CUTOFF and R-CUTOFF at [ 80 ].
15. Fix G drive at [ E0 ] (37 inch / 42 inch), [ D0 ] (50 inch).
16. Adjust B-DRIVE and R-DRIVE so the highlight window’s x, y become the [ COLOR TEMP
WARM ] in the below table.
17. All RGB drive increase so that the maximum drive value of RGB may become [ FC ].
([ ALL-DRIVE ] set to [ FC ].)
Highlight section Signal amplitude 75% Value is
Hex.
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