Ew Adjustment / Confirmation (4:3 Mode) - Panasonic TX-34P180R Service Manual

TX-34P180R
6.2.2.2. 120i H-AMP ADJUSTMENT
1. Receive NTSC monoscope pattern US13.
2. Set scan mode to 100Hz.
3. Adjust H-AMP so that both of edges are within A, B = 2.25 ± 0.2.
6.2.2.3. 50p H-AMP ADJUSTMENT
1. Receive PAL monoscope pattern E11.
2. Set scan mode to prograssive.
3. Adjust H-AMP so that both of edges are within A, B = 2.5 ± 0.2.
6.2.2.4. 60p H-AMP ADJUSTMENT
1. Receive NTSC monoscope pattern US13.
2. Set scan mode to AUTO.
3. Adjust H-AMP so that both of edges are within A, B = 2.25 ± 0.2.
6.2.3. ANGLE AND BOW CONFIRMATION / ADJUSTMENT
6.2.3.1. 100i ADJUSTMENT (4:3 MODE)
1. Receive PAL crosshatch pattern E4. (Scan mode = AUTO)
2. Confirm the vertical line to straight as in fig. 3a, if needed adjust Angle
3. Confirm the center vertical line to straight as in fig. 3b if needed adjust Bow.
6.3.

EW Adjustment / Confirmation (4:3 MODE)

6.3.1. 100i EW ADJUSTMENT (4:3 MODE)
1. Receive PAL crosshatch pattern E4. (Scan mode = AUTO)
2. Adjust the vertical line to straight line by Ew-Amp.
3. Adjust the vertical line to straight line of bothside vertical line in Fig. 4a by Trapez
4. Confirmation of EW at the corner side.
If need adjust Upper-Corner and Lower-Corner as Fig. 4b.
Fig. 18
18