Measuring instruments Signal generator Remote control unit
Test point
Adjustment part BOW 1. 2. 3. 4. 5. 6. 7.
Description Receive a cross-hatch signal. Enter the SERVICE MENU. Press the RED key on the remote control unit, then enter the H/V adjustment group. Select BOW with the UP/DOWN ( / ) key. Adjust BOW with the LEFT/RIGHT ( / ) key and the vertical line straight. Check and readjust BOW item if the adjustment becomes improper after some other geometric adjustments are done. Press the INFORMATION key and memorize the set value.
NOTE : In case where there is a bow-shaped distortion of images on the screen. (Figure)
TRAPEZIUM adjustment
Signal generator Remote control unit
TRAPEZ
1. 2. 3. 4. 5.
Parallel 6. 7.
Receive a cross-hatch signal. Enter the SERVICE MENU. Press the RED key on the remote control unit, then enter the H/V adjustment group. Select TRAPEZ with the UP/DOWN ( / ) key. Adjust TRAPEZ with the LEFT/RIGHT ( / ) key till vertical lines, especially lines at the sides of the picture frame became parallel to the both sides of picture tube as close as possible. Check and readjust TRPEZ item if the adjustment becomes improper after some other geometric adjustments are done. Press the INFORMATION key and memorize the set value.
