Panasonic TX-PR46G10, Service Manual

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8.2.3. 1080i white balance adjustment
Name o f m easuring instrum ent Connection Rem arks
1080i W / B pattern
C olor analyzer
(M inolta CA-100 or equivalent)
Com ponent 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 adjustm ent.
Put the color analyzer where there is little colour variation.
Picture menu : Dynamic
AS P E C T : 16:9
Adjustm ent Rem arks
1. Display the white balance pattern.
2. Enter the service adjustm ent mode.
3. A num ber key [ 1 ] or [ 2 ] are operated and [ W B-ADJ ] is displayed.
Check that the color balance is [ COOL ].
4. Select [ G -CUTOFF ] item, using the num ber-key [ 3 ] or [ 4 ], and set to [ 80 ], using the
volum e-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 o f color analyzer to the highlight w indow 's center, and adjust B
drive and R drive so x, y become the [ COLOR TEM P COOL ] in the below table.
7. All RGB drive increase so that the m aximum drive value o f RGB m ay becom e [ FC ].
([ ALL-DR IVE ] set to [ FC ].)
8. Set colorbalance to [ NORM AL ] using [ 7 ] key.
9. Fix G-CUTOFF , B-CUTOFF and R-CUTOFF at [ 80 ].
Fix G drive at [ E0 ] (37 inch / 42inch), [ D0 ] (50 inch).
Adjust B-DRIVE and R-DRIVE so the highlight w indow 's x, y become the [CO LO R TEMP
NORM AL ] in the below table.
12. All RGB drive increase so that the m aximum drive value o f RGB m ay becom e [ FC ].
([ ALL-DR IVE ] set to [ FC ].)
Set colorbalance to [ W ARM ] using [ 7 ] key.
Fix G-CUTOFF , B-CUTOFF and R-CUTOFF at [ 80 ].
Fix G drive at [ E0 ] (37 inch / 42 inch), [ D0 ] (50 inch).
Adjust B-DRIVE and R-DRIVE so the highlight w indow 's x, y become the [ COLOR TEMP
W ARM ] in the below table.
17. All RGB drive increase so that the m aximum drive value o f RGB m ay becom e [ FC ].
([ ALL-DR IVE ] set to [ FC ].)
Highlight section Signal amplitude 75% Value is
Hex.
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