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2-4 Factory Data
Other Adjustments
2-4-1
Other Adjustments
2-4-1
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.
2-4-2 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:
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
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
Samsung Electronics
keys.
keys.
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.
2-4-3 Sub-Brightness Adjustment
1. Input a sub-brightness adjustment signal.
(TOSHIBA PATTERN)
2. In the stand-by mode, press the remote-
control keys in the following sequence :
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
5. Press the Menu key to exit.
2-4-4 High Voltage (29KV) Check
Precaution
1. Input a lion head pattern.
2. Select "STANDARD" video mode.
3. Warm up the TV for at least 10 minutes.
4. Use a 1000:1 probe.
Adjustment
1. Connect the (+) terminal of the 1000:1 probe to
the high voltage distributor and the (-)
terminal to GND (located on the deflection
board).
2. Adjust RR471S (located on the deflection
board) so that the digital meter indicates
DC 29V ± 0.1V.
Alignment and Adjustment
keys.
keys).
2-13
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