Panasonic TX-34P150X Service Manual page 25

2. Set scan mode to 100 Hz by remote control key.
3. Adjust H-POS (100i / 4:3) so that the horizontal position is center
of CRT.
6.2.2.2. 120i H-POS ADJUSTMENT
1. Receive NTSC monoscope pattern.
2. Set scan mode to 100 Hz by remote control key.
3. Adjust H-POS (120i / 4:3) so that the horizontal position is center
of CRT.
6.2.3. H-WIDTH ADJUSTMENT (4:3 MODE)
6.2.3.1. 100i H-AMP ADJUSTMENT
1. Receive PAL monoscope pattern.
2. Set scan mode to 100 Hz by remote control key.
3. Adjust H-AMP (100i / 4:3) so that both of the edges are within A, B
=2.5 ± 0.2.
6.2.3.2. 120i H-AMP ADJUSTMENT
1. 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 are within A, B
=2.5 ± 0.2.
Fig. 3