Panasonic TX-34P300K / TX-34P300XM / TX-34P300XX Service Manual ▷ View online
6.1.3.
V-HEIGHT ADJUSTMENT (4:3 MODE)
6.1.3.1.
100i V-AMP ADJUSTMENT
1. Receive PAL monoscope pattern.
2. Set scan mode to 100Hz by remote control key.
3. Adjust V-AMP (100i / 4:3) so that
B, D (Fig. 2) is 2.1 ± 0.1
6.1.3.2.
120i V-AMP ADJUSTMENT
1. Receive NTSC monoscope pattern.
2. Set scan mode to 100Hz by remote control key.
3. Adjust V-AMP (120i / 4:3) so that
B, D (Fig. 2) is 2.1 ± 0.1
6.1.3.3.
50p V-AMP ADJUSTMENT
1. Receive PAL monoscope pattern.
2. Set scan mode to progressive by remote control key.
3. Adjust V-AMP (50p / 4:3) so that
B, D (Fig. 2) is 2.1 ± 0.1
6.1.3.4.
60p V-AMP ADJUSTMENT
1. Receive NTSC monoscope pattern.
2. Set scan mode to progressive by remote control key.
3. Adjust V-AMP (60p / 4:3) so that
B, D (Fig. 2) is 2.1 ± 0.1
Fig. 2
6.2.
H-DEFLECTION CONFIRMATION/ADJUSTMENT (4:3 MODE)
6.2.1.
H-HOLD CONFIRMATION
1. Receive PAL monoscope pattern.
2. Set scan mode to 100Hz by remote control key.
3. Set aspect to 4:3.
4. Confirm that H-hold is normal.
6.2.2.
H-CENTER ADJUSTMENT (4:3 MODE)
6.2.2.1.
100i H-POS ADJUSTMENT
1. Receive PAL monoscope pattern.
2. Set scan mode to 100Hz by remote control key.
3. Adjust H-POS (100i / 4:3) so that the horizontal position is center of CRT.
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TX-34P300K / TX-34P300XM / TX-34P300XX
6.2.2.2.
120i H-POS ADJUSTMENT
1. Receive NTSC monoscope pattern.
2. Set scan mode to 100Hz 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 100Hz by remote control key.
3. Adjust H-AMP (100i / 4:3) so that the both of 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 100Hz by remote control key.
3. Adjust H-AMP (120i / 4:3) so that the both of edges are within A, B = 2.5 ± 0.2.
Fig. 3
6.3.
PINCUSSION ADJUSTMENT/CONFRMATION (4:3 MODE)
6.3.1.
100i SIDE PINCUSSION ADJUSTMENT (4:3 MODE)
1. Receive PAL crosshatch pattern.
2. Set scan mode to 100Hz by remote control key.
3. Adjust the vertical line to straight line by Parabola (100i / 4:3).
4. Adjust the vertical line to straight line of bothside vertical line in Fig. 4 by Trapezoid (100i / 4:3).
5. Confirm there is no H-parallel distortion.
If there is distortion, adjust by H-Pallalel (100i / 4:3).
In that case, repeat 4. and 5. so that there is no trapezoid / pararell distortion.
6. Confirmation vertical pincussion of the corner side.
If need, adjust Top-Corner (100i / 4:3) and Bottom-Corner (100i / 4:3).
7. Confirm bowlevel of the both side.
If it is not symmetrical, adjust C-Correct (100i / 4:3).
6.3.2.
120i SIDE PINCUSSION ADJUSTMENT (4:3 MODE)
1. Receive NTSC crosshatch pattern.
2. Set scan mode to 100Hz by remote control key.
3. Adjust the vertical line to straight line by Parabola (120i / 4:3).
4. Adjust the vertical line to straight line of bothside 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-Pallalel (120i / 4:3).
In that case, repeat 4. and 5. so that there is no trapezoid / pararell distortion.
6. Confirmation vertical pincussion of the corner side.
If need, adjust Top-Corner (120i / 4:3) and Bottom-Corner (120i / 4:3).
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TX-34P300K / TX-34P300XM / TX-34P300XX
7. Confirm bowlevel of the both side.
If it is not symmetrical, adjust C-Correct (120i / 4:3).
Fig. 4
6.3.3.
50p SIDE PINCUSSION ADJUSTMENT (4:3 MODE)
1. Receive PAL crosshatch pattern.
2. Set scan mode to progressive by remote control key.
3. Adjust the vertical line to straight line by Parabola (50p / 4:3).
4. Adjust the vertical line to straight line of bothside vertical line in Fig. 5 by Trapezoid (50p / 4:3).
5. Confirm there is no H-parallel distortion.
If there is distortion, adjust by H-Pallalel (50p / 4:3).
In that case, repeat 4. and 5. so that there is no trapezoid / pararell distortion.
6. Confirmation vertical pincussion of the corner side.
If need, adjust Top-Corner (50p / 4:3) and Bottom-Corner (50p / 4:3).
7. Confirm bowlevel of the both side.
If it is not symmetrical, adjust C-Correct (50p / 4:3).
6.3.4.
60p SIDE PINCUSSION ADJUSTMENT (4:3 MODE)
1. Receive NTSC crosshatch pattern.
2. Set scan mode to progressive by remote control key.
3. Adjust the vertical line to straight line by Parabola (60p / 4:3).
4. Adjust the vertical line to straight line of bothside vertical line in Fig. 5 by Trapezoid (60p / 4:3).
5. Confirm there is no H-parallel distortion.
If there is distortion, adjust by H-Pallalel (60p / 4:3).
In that case, repeat 4. and 5. so that there is no trapezoid / pararell distortion.
6. Confirmation vertical pincussion of the corner side.
If need, adjust Top-Corner (60p / 4:3) and Bottom-Corner (60p / 4:3).
7. Confirm bowlevel of the both side.
If it is not symmetrical, adjust C-Correct (60p / 4:3).
Fig. 5
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TX-34P300K / TX-34P300XM / TX-34P300XX
6.4.
VLINIALITY ADJUSTMENT / CONFIRMATION (4:3 MODE)
6.4.1.
100i V-linear ADJUSTMENT
1. Recive PAL monoscope pattern.
2. Set scan mode to 100Hz by remote control key.
3. Confirm V-linear (100i / 4:3) as to the balance of circle.
If need, adjust V-linear (100i / 4:3).
6.4.2.
120i V-linear ADJUSTMENT
1. Recive NTSC monoscope pattern.
2. Set scan mode to 100Hz by remote control key.
3. Confirm V-linear (120i / 4:3) as to the balance of circle.
If need, adjust V-linear (120i / 4:3).
6.4.3.
50p V-linear ADJUSTMENT
1. Recive PAL monoscope pattern.
2. Set scan mode to progressive by remote control key.
3. Confirm V-linear (50p / 4:3) as to the balance of circle.
If need, adjust V-linear (50p / 4:3).
6.4.4.
60p V-linear ADJUSTMENT
1. Recive NTSC monoscope pattern.
2. Set scan mode to progressive by remote control key.
3. Confirm V-linear (60p / 4:3) as to the balance of circle.
If need, adjust V-linear (60p / 4:3).
Fig. 6
6.5.
DEFLECTION (16:9 MODE) ADJUSTMENT / CONFIRMATION
6.5.1.
DATA SETTING (16:9)
1. Copy the adjusted data of 100i / 4:3 mode to 100i / 16:9 in the table. 1 (Except H-POS, V-S-Correct).
2. Copy the adjusted data of 120i / 4:3 mode to 120i / 16:9 in the table. 1 (Except H-POS, V-S-Correct).
3. Copy the adjusted data of 50p / 4:3 mode to 50p / 16:9 in the table. 1 (Except H-POS, H-AMP, V-S-Correct, C-Correct) and copy
the data of 100i / 4:3 to 50p / 16:9 about H-AMP and C-Correct.
4. Copy the adjusted data of 60p / 4:3 mode to 60p / 16:9 in the table. 1 (Except H-POS, H-AMP, V-S-Correct, C-Correct) and copy
the data of 120i / 4:3 to 60p / 16:9 about H-AMP and C-Correct.
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TX-34P300K / TX-34P300XM / TX-34P300XX
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