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KP-53V75C
RM-Y903
GREEN HORIZONTAL QUATERNARY ADJUSTMENT
1. Correct the quaternary distortion with GH 4PIN. 2. While balancing, correct the quaternary distortion of both end sections of the screen with GH 4SBOW. 3. While tracking, adjust with GH 4PIN and GH 4SBOW.
GREEN HORIZONTAL SYMMETRICAL PIN DISTORTION ADJUSTMENT
4 PIN
4SBOW
1. Adjust the pin distortion at both sides of the center section of the screen with GH MPIN. 2. Adjust the pin distortion at both end sections of the screen with GH PIN. 3. While tracking, adjust with GH MPIN and GH PIN so that the PIN of vertical lines on the entire screen have no bowing. 4. If there is asymmetrical pin distortion after the GH MPIN and GH PIN adjustments, adjust with GH MBOW and GH SBOW while tracking.
4SBO
� With just the PIN AMP adjustment in MAIN, if there is no
need to adjust GV PIN in SUB, this can save power.
GREEN HORIZONTAL ASYMMETRICAL PIN DISTORTION ADJUSTMENT
M PIN PIN
1. Adjust with GH MBOW so that the pin asymmetry at both sides of the center section of screen is symmetrical. 2. Adjust with GH SBOW so that the bow at both end sections of the screen is symmetrical left and right. 3. While tracking, adjust with GH MBOW and GH SBOW so that the bow of vertical lines on the entire screen is symmetrical left and right.
GH PIN
GH MBOW
GH SBOW
GH MPIN
M BOW S BOW
GREEN VERTICAL WAVE (TERTIARY DISTORTION) ADJUSTMENT
1. Take the screen top and bottom horizontal lines with GV WAVE and find the secondary and quaternary waveform. 2. There is KEY distortion after the GV WAVE adjustment, so adjust with GV WAVE and GV KEY while tracking.
GV WAVE
GH MBOW
GV KEY
GH MPIN
� 42 �
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