Panasonic TX-29P180T Service Manual

Panasonic TX-29P180T Service Manual Manual pdf 19 page image

6.2.2.2. 120i H-AMP ADJUSTMENT1. Receive NTSC monoscope pattern.2. Set scan mode to 100 Hz by remote control key.3. Adjust H-AMP (120i / 4:3) so that both of the edges arewithin A, B = 2.5 ± 0.2.Fig. 36.3. EWADJUSTMENT/CONFIRMATION(4:3 MODE)6.3.1. 100i SIDE EW ADJUSTMENT (4:3MODE)1. Receive PAL cross-hatch pattern.2. Set scan mode to 100 Hz by remote control key.3. Adjust the vertical line to straight by Parabola (100i / 4:3).4. Adjust the vertical line to straight line of both sides verticalline in Fig. 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 verticalline 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).Fig. 46.3.3. 50p EW ADJUSTMENT (4:3 MODE)1. Receive PAL cross-hatch pattern.2. Set scan mode to progressive by remote control key.3. Adjust the vertical line to straight by Parabola (50p / 4:3).4. Adjust the vertical line to straight line of both sides verticalline in Fig. 5 by Trapezoid (50p / 4:3).5. Confirm there is no H-parallel distortion.If there is distortion, adjust by H-Parallel (50p / 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 (50p / 4:3) and Bottom Corner(50p / 4:3).7. Confirm bow level of the both side.If it is not symmetrical, adjust C-Correct (50p / 4:3).6.3.4. 60p SIDE PINCUSSIONADJUSTMENT (4:3 MODE)1. Receive NTSC cross-hatch pattern.2. Set scan mode to progressive by remote control key.3. Adjust the vertical line to straight by Parabola (60p / 4:3).4. Adjust the vertical line to straight line of both sides verticalline in Fig. 5 by Trapezoid (60p / 4:3).5. Confirm there is no H-parallel distortion.If there is distortion, adjust by H-Parallel (60p / 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 (60p / 4:3) and Bottom Corner(60p / 4:3).7. Confirm bow level of the both side.If it is not symmetrical, adjust C-Correct (60p / 4:3).Fig. 519TX-29P180T