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Pal Colour
1. Receive the PAL B/G studio colour bar pattern, and adjust local frequency at the best tuned
position.
2. Pic Menu : Dynamic Normal , Confirm Contrast - 63 , Sub Contrast - 21.
3. Channel colour set ----------- STD.
4. Connect TPA 10 to TPA 20.
5. Set (A) to 2.3 +- 0.2V by BRT (CHK2) Fig. 1.
position.
2. Pic Menu : Dynamic Normal , Confirm Contrast - 63 , Sub Contrast - 21.
3. Channel colour set ----------- STD.
4. Connect TPA 10 to TPA 20.
5. Set (A) to 2.3 +- 0.2V by BRT (CHK2) Fig. 1.
Adjustment
1. Connect oscilloscope probe to TPA 31 (G OUT) with 10k series resistor and adjust Contrast so
that (B) as in Fig.1 is 2.8 +- 0.1V.
2. Adjust ‘Sub Colour’ so that waveform as in Fig.1 (1) 2.5 +- 0.1V.
3. Connect oscilloscope probe to TPA 32 (R OUT) with 10k series resistor and confirm waveform as in
Fig.2 is (2).2.7 +- 0.4V
that (B) as in Fig.1 is 2.8 +- 0.1V.
2. Adjust ‘Sub Colour’ so that waveform as in Fig.1 (1) 2.5 +- 0.1V.
3. Connect oscilloscope probe to TPA 32 (R OUT) with 10k series resistor and confirm waveform as in
Fig.2 is (2).2.7 +- 0.4V
Fig. 1
Fig. 2
B
1
A
2
A
0V
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