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Alignment and Adjustments
2-4 Other Adjustments
2-4-1 Screen Adjustment
1. Warm up the TV for at least 30 minutes. 2. Select the �STANDARD� Video mode. 3. Turn to the Video Mode (No Signal) using a remote-control. 4. Connect an oscilloscope to RK,GK,BK. 5. Adjust the VR Screen (in the Focus Pack) to have 20VP-P for the RK, GK and BK pulse. (Turn the R,G and B VR screen fully counterclockwise at each flyback line.) * Voltage adjustment connt be done using a normal multi-tester. For adjustment, use an oscilloscope. The voltage shown by the tester is false data because the AC peak to peak voltage is adjusted under DC conditions. 2. In the stand-by mode, press the remote-control keys in the following sequence :
MUTE POWER
2-4-3 Sub-Brightness Adjustment
1. Input a sub-brightness adjustment signal. (TOSHIBA PATTERN)
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ENTER
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keys.
3. Select SBT by pressing the
4. Adjust so that the 63 step on the right side of the screen is not seen (Use the keys).
ENTER
5. Press the Menu key to exit.
2-4-2 White Balance Adjustment
1. Select the �STANDARD� video mode. 2. Input 100% white pattern. 3. In the stand-by mode, press the remote-control keys in the following sequence:
MUTE POWER
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�
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4. Warm up the TV for at least 30 minutes. 5. Input a 10-step signal. 6. R-cut off, B-cut off, and G-cut off by pressing the keys.
ENTER
7. Adjust the low light with viewing the dark side of the screen. 8. Select R-drive, G-drive, and B-drive by pressing the keys.
ENTER
9. Adjust the high light with viewing the light side of the screen. 10. If necessary, redo screen adjustments and 6~9. 11. Press the Add key to exit.
Samsung Electronics
2-13
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