SONY KPXA43M91
Instrukcja Serwisowa

KP-XA43M31/XA43M61/XA43M91
RM-967

GREEN HORIZONTAL SYMMETRICAL PIN DISTORTION ADJUSTMENT

GREEN VERTICAL 4TH ORDER DISTORTION ADJUSTMENT

1. Adjust GH MPIN to correct pin distorton at both edges of the centre section. 2. Use GH PIN to correct pin distortion at both edges of the screen. 3. While tracking adjust GH MPIN and GH PIN so that the PIN of vertical lines on the entire screen have no bowing. 4. If there is asymmetrical distortion after adjustments, readjust GH MBOW and GH SBOW while tracking.

1. By using GV 4 PIN, 4th-Order distortion of the horizontal lines at the top & bottom can be corrected. Since there is no 4SBO for vertical correction, there will be a slight imbalnace, but adjust the registration to eleiminate any distortion.

GV 4PIN

M PIN PIN

GREEN VERTICAL TRAPEZOIDAL DISTORTION ADJUSTMENT

1. Adjust GV SSKW so that the tilt of the horizontal lines at the top and bottom of the screen are symmetrical. 2. Adjust GV MKEY so that there is no tilt for the middle section. 3. Adjust GV KEY so that there is no tilt at the top and bottom of the screen. 4. While tracking adjust GV MKEY and GV KEY, so that there is no tilt over the entire screen. 5. If the tilt is unbalanced after GV MKEY and GV KEY have been adjusted, readjust GV SSKW.

GH MBOW

GH PIN

GH SBOW

GH MPIN

GV SSKW
GREEN VERTICAL WAVE (3RD-ORDER) DISTORTION ADJUSTMENT

1. Check the screen at the top & bottom, and look for any 2nd or 3rd order waveform distortion of horizontal lines. Correct with GV WAVE. 2. While tracking adjust GV WAVE and GV KEY, if here are any KEY distortion.
MKEY KEY

GV WAVE

GV KEY
GV SSKW

GV KEY

GV MKEY

� 37 �