G Drive; B Drive - Aiwa TV-F2400 Service Manual

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White Balance Adjustment
*User's picture quality will be cleared when the adjustment menu screen appears.
Input signal : White raster
Contents of Adjustment : 1. R CUT OFF
Contents of Adjustment :
Contents of Adjustment :
Contents of Adjustment :
Contents of Adjustment
Measuring instrument : Pattern generator / reader: LCG-401
Cut Off Adjustment :
2-1. Use the pattern generator to input the white raster signal.
2-2. Using the volume keys on the jig remote controller, fix the figure of the strongest color on the screen to 127 and adjust the other 2 cut off
figures until white picture appears on the screen.
Drive Adjustment :
2-3. Using the volume keys on the jig remote controller, bring the figure of the 4.G DRIVE up to more than 200 till the color becomes greenish.
2-4. Then reduce the numeric figure to the point where the greenish color disappears completely.
2-5. Using the volume keys on the jig remote controller, bring the figure of the 5.B DRIVE up to more than 200 till the color becomes bluish.
2-6. Then reduce the numeric figure to the point where the bluish color disappears completely.
2-7. Repeat the process of 1~6 for several times and adjust for whiter look.
Focus Adjustment :
Input Signal : Dot pattern
Adjustment Point : SFR located at upper part of FBT (T601)
Measuring Instrument : Pattern generator / reader: LCG-401
• Adjust SFR which is located at upper part of FBT (T601) in order to get the best focus for
the dot.
Screen Adjustment :
Input Signal : No Signal (No Raster)
Adjustment Point : SFR located at lower part of FBT (T601)
Measuring Instrument : Pattern generator / reader: LCG-401
1. Enter to " Aging Mode Screen" by pressing " TEST" key on the jig remote controller
once.
2. Press "10" key of the numeric channal keypad to get a horizontal single line screen (Fig.2-2).
3. Adjust SFR located at lower part of FBT (T601) until the horizontal line starts to be slightly brightened.
4. Repeat the process of step 2 and return to the "Adjustment Menu Screen".
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3-1. SUB BRIGHT Sub-brightness Adjustment / Adjustment Menu Screen: PAGE3-2
(careful with the order)
Input Signal: Color Bar (Stair step)
Measuring Instrument: Pattern generator / reader: LCG-401
• Using the volume keys on the jig remote controller to adjust the scale of the second last
from right to be slightly brightened.
: Adjustment Menu Screen: PAGE 2-1~5
2. G CUT OFF
3. B CUT OFF

4. G DRIVE

* More than 20 minutes of aging is required

5. B DRIVE

before the adjustment.
* The whole process should be repeated
several times for the adjustment.
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R CUTOFF 0~255
G CUTOFF 0~255
R CUTOFF 127
B CUTOFF 0~255
G DRIVE 0~255
G CUTOFF 127
B DRIVE 0~255
B CUTOFF 127
G DRIVE 127
B DRIVE
Fig. 2-1
Fig. 2-2
PAGE 2
SUB BRIGHT
Fig. 3-1
127
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