Panasonic Viera TC-42P1, Service Manual

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Panel W/B (P1 models only)
Composite/Component signal
1) Set the AV mode and input the white pattern signal from NTSC (PT models)/ PAL (TC models) signal generator.
2) Press the Menu button twice to access main menu and set the manual W/B to Cool.
3) Access the Panel W/B mode and align the Low Light and High Light shown below by using color meter.
4) Record R Cutoff, B Cutoff, R Drive and B Drive setting data.(***Data 3)
5) Change the Manual W/B to Normal by the Menu button and ACTION (PT models)/ STR (TC models) button.
6) Modify the Data as follows.
Increase R Drive 24 steps and reduce B drive 2 steps and B cutoff 1 step from Cool mode.
7) Change the Manual W/B to Warm by the Menu button and ACTION (PT models)/ STR (TC models) button.
8) Modify the Data as follows.
Increase R Drive 30 steps and reduce B drive 35 steps, and B cutoff 2 steps from Cool mode.
9) Access the SG Hold mode (Forced signal system set mode) and set the system to NTSC (PT models)/ PAL (TC models).
10) Return to the Panel W/B mode and copy the Data 3 for each item.
11) Repeat item 9) and 10) for SECAM system.
Equipment NTSC (PT models)/ PAL (TC models) signal generator Color meter
x y
Cool (High) 0.272 0.290
Normal (Mid) 0.288 0.296
Warm (Low) 0.313 0.329
Alignment Item Reference Cool (Hi) Setting/Special feature
Brightness 71 10cd/m
2
by 15% signal level (Set by generator)
R Cutoff 7F Set to 15% signal level by the generator.
B Cutoff 7D Set 15% signal level by the generator.
B Drive 75 Set 75% signal level by the generator.
R Drive 62 Set 75% signal level by the generator.
Contrast 84 Optimum setting
Manual W/B R Cutoff B Cutoff B Drive R Drive
Cool (High)
Normal (Mid)
Warm (Low)