29
9.1.3.
White balance adjustment
Name of measuring instrument
Remarks
Color analyzer
(Minolta CA-100 or equivalent)
Note:
The CA-100 which was calibrated to less than +-0.001 with CS-1000.
Note:
When white balance adjustment is exe-
cuted, The TV set should be display some
video signal, or select VIDEO input (with no
signal) or select component input (with no
signal).
WB adjustment function will not be worked
when digital TV (with no signal) or HDMI
input (with no signal) is selected.
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 color variation.
1. Set to Service mode, WB-ADJ.
2. Select [VIVID] for picture menu.
3. Select [Cool] for color temperature.
4. Push [5] key of remote controller to display window pattern.
5. Confirm the brightness. The following is the confirmation value.
TC-P42ST30 82cd/m2 or more
6. Set [R-CUT] [G-CUT] [B-CUT] the values written in table 1.
7. Attach the sensor of color analyzer to the center of window pattern.
8. Fix G drive at [C0] and adjust [B-DRV] and [R-DRV] so x, y value of color analyzer
become the [Color temperature High] in table 2.
9. Increase RGB together so the maximum drive value in RGB becomes [FF].
That is, set [ALL DRIVE] to [FF].
Execute adjustment again. When that, the maximum value of R/G/B DRV should be [FF],
and either R/G/B DRV should be [FF].
10. The average of the adjusted values in color temperature Cool, Mid, and Warm is shown in
Table 4.
The setting value for color temperature Mid will be calculated by multiplying the adjusted
value of color temperature Cool to the ratio of the value of Cool and Mid in each GBR
value in Table 4.
Write that values to the data area of color temperature Mid in EEPROM.
11. The setting value for color temperature Warm will be calculated by multiplying the
adjusted value of color temperature Cool to the ratio of the value of Cool and Warm in
each GBR value in Table 4.
Write that values to the data area of color temperature Warm in EEPROM.
Note:
Adjusted value must be written to both SD
data area and HD data area of the
EEPROM.
Summary of Contents for Viera TC-P42ST30
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Page 40: ...40 11 3 Wiring 2 ...
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Page 43: ...43 11 6 Wiring 5 11 7 Wiring 6 ...
Page 44: ...44 11 8 Wiring 7 ...
Page 45: ...Model No TC P42ST30 Schematic Diagram Note S 1 ...
Page 46: ...Model No TC P42ST30 Replacement Parts List Note S 2 ...
Page 47: ...Model No TC P42ST30 A Board 1 16 S 3 ...
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Page 74: ...Model No TC P42ST30 SS Board 1 2 S 30 ...
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Page 76: ...Model No TC P42ST30 A Board Foil side S 32 ...
Page 77: ...Model No TC P42ST30 A Board Component side S 33 ...
Page 78: ...Model No TC P42ST30 K S and V Board S 34 ...
Page 79: ...Model No TC P42ST30 C1 Board S 35 ...
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Page 81: ...Model No TC P42ST30 SN Board Foil side S 37 ...
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