Panasonic Viera TX-P42S20L, Service Manual

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10.1.3. White balance adjustment
Name o f m easuring instrum ent Connection Remarks
W / B pattern
Color analyzer
(Minolta CA-100 or equivalent)
Panel surface
Steps Rem arks
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 w here there is little colour variation.
Picture menu : Dynamic
A S PE C T : 16:9
A djustm ent Remarks
1. Enter the factory adjustm ent mode.
Please receive the external signal. Or, please select C VB S/Y U V (no sync).
2. A num ber key [1] or [2] are operated and [W B-ADJ] is displayed.
Check that the color balance is [ COOL ].
3. A num ber key [0] is operated and select [METHOD].
4. A num ber key [5] is operated and [INNER PATTERN] is displayed.
METHOD=01
copy adjustm ents
5. Select [G -CUTO FF] item, using the number-key [3] or [4], and set to [80], using the v o l­
um e-key [+] or [-].
Also, [B-CUTO FF] and [R-CUTO FF] set to [80]
6. Set [G -DRIVE] at [D0].
7. Touch the signal receiver o f color analyzer to the INNER PATTERN's center, and adjust B
drive and R drive so x, y become the [COLOR TEM P COOL] in the below ta b le 1 .
8. All RGB drive increase so that the m aximum drive value o f RGB may become [FF].
([ALL-D RIVE] set to [FF].)
Set color balance to [NORM AL] using [7] key.
Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [80].
Set [G -D RIVE] at [D0].
12. Adjust B-DRIVE and R-DRIVE so the INNER PATTERN's x, y become the [COLOR
TEM P NORMAL] in the below table1.
13. All RGB drive increase so that the m aximum drive value o f RGB may become [FF].
([ALL-D RIVE] set to [FF].)
Set color balance to [WARM] using [7] key.
Fix G-CUTOFF, B-CUTOFF and R-CUTOFF at [80].
16. Set [G -D RIVE] at [D0].
17. Adjust B-DRIVE and R-DRIVE so the INNER PATTERN's x, y become the [COLOR
TEM P W ARM] in the below table1.
All RGB drive increase so that the m aximum drive value o f RGB may become [FF].
([ALL-D RIVE] set to [FF].)
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