Samsung KCT52A, Training Manual

Page: 92 / 93

KCT52A Chassis
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SAMSUNG GROUP
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3-3-11 White Balance Adjustment
3-3-11 (A) SCREEN ADJUSTMENTS
1.
Input a TOSHIBA pattern.
2. Check R506 "G" pin on the CRT PCB with an oscillos-
cope.
3. Enter the Horizontal Line Mode.
4. Adjust the screen on the FBT so that the waveform, of
the 21st line and X 2.0 (=0.5)V.
3-3-11 (B) HIGH-LIGHT ADJUSTMENT
1.
Input a TOSHIBA pattern.
2 Set high-light to 28F/L 275/295 (X,Y) with a color
analyzer.
3. Set low-light to 1.0F/L
and set GG to step 32.
SIZE 20" 25" 27"
HIGH LIGHT 32F/L 30F/L 28F/L
3-3-11 (C) SUB-CONTRAST ADJUSTMENT
1.
Set SCT so that the brightness level in highlight is 28
F/L: (In case of 27V.
3-3-11 (D) SUB-BRIGHTNESS ADJUSTMENT
1.
Input a TOSHIBA pattern.
2. Set SBT so that the brightness level in low-light is
1.0F/L