Panasonic TX-29P190T, Service Manual

Page: 27 / 111

4 by Trapezoid (100i / 4:3).
5. Confirm there is no H-parallel distortion. / If there is distortion, adjust
by H-Parallel (100i / 4:3). / In that case, repeat 4 and 5 so that there is no
trapezoid / parallel distortion.
6. Confirmation EW of the corner side. / If need, adjust Top-Corner (100i /
4:3) and Bottom Corner (100i / 4:3).
7. Confirm bow level of the both side. / If it is not symmetrical, adjust C-
Correct (100i / 4:3).
6.3.2. 120i EW ADJUSTMENT (4:3 MODE)
1. Receive NTSC cross-hatch pattern.
2. Set scan mode to 100 Hz by remote control key.
3. Adjust the vertical line to straight by Parabola (120i / 4:3).
4. Adjust the vertical line to straight line of both sides vertical line in Fig.
4 by Trapezoid (120i / 4:3).
5. Confirm there is no H-parallel distortion. / If there is distortion, adjust
by H-Parallel (120i / 4:3). / In that case, repeat 4 and 5 so that there is no
trapezoid / parallel distortion.
6. Confirmation EW of the corner side. / If need, adjust Top-Corner (120i /
4:3) and Bottom Corner (120i / 4:3).
7. Confirm bow level of the both side. / If it is not symmetrical, adjust C-
Correct (120i / 4:3).
6.3.3. 50p EW ADJUSTMENT (4:3 MODE)
27