Green Vertical Size Adjustment; Green Horizontal Trapezoidal Distortion Adjustment; Green Horizontal Quaternary Adjustment; Green Horizontal Asymmetrical Pin Distortion Adjustment - Sony KP-41S5 Service Manual

KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862

GREEN VERTICAL SIZE ADJUSTMENT

1. Adjust GV MSIZE so that the sizes at the top and bottom and
centre are equal.
2. Set the vertical size to correct specification.
3. While tracking adjust GV MSIZE and GV SIZE so that the
space intervals for the vertical line of the screen are equal,
also the vertical size should be within space.
4. Adjust again if GV L IN has been altered after completing
the above adjustments.
GV SIZE
GREEN HORIZONTAL TRAPEZOIDAL DISTORTION
ADJUSTMENT
1. Adjust GH SSKW so that the tilt of the vertical lines at both
edges of the screen are symmetrical left and right.
2. Adjust GH KEY so that there is no tilt in the vertical lines at
both edges of the screen.
3. While tracking adjust GH KEY and GH SSKW.
SS KW
SSKW
MSIZ
SIZE
GV LIN
GV MSIZE GV MSIZ
KEY

GREEN HORIZONTAL QUATERNARY ADJUSTMENT

1. Adjust GH 4PIN, to correct the 4th order distortion.
2. Adjust GH 4SBO to balance and correct the 4th order distor-
tion at both edges of the screen.
3. While tracking adjust GH 4PIN and GH 4SBOW.
4 PIN
GREEN HORIZONTAL ASYMMETRICAL PIN
DISTORTION ADJUSTMENT
1. Adjust GH MBOW, so that the pin asymmetry at both sides
of the centre section are symmetrical left and right.
2. Adjust GH SBOW so that the bow at both edges of the screen
is symmetrical left and right.
3. While tracking adjust GH MBOW and GH SBOW so that
the bow of vertical lines over the entire screen is symmetri-
cal.
M BOW
– 30 –
4SBOW
4SBO
S BOW