5-7-3. Y GAIN (LUMINANCE SIGNAL CONTRAST LEVEL) ADJUSTMENT Adjusting Procedure: 1. Connect an oscilloscope to the TP1959 on the TV board. 2. Adjust the . / > keys so that the D level of the waveform on the oscilloscope is 3.25 ± 0.1 Vp-p.
5-7-7. B-SUB BRT (B-CH SUB BRIGHT) ADJUSTMENT Adjusting Procedure: 1. Connect an oscilloscope of 1 step voltage to the TP1960 on the TV board. 2. Adjust the . / > keys so that the G level of the waveform on the oscilloscope is 1.0 ± 0.1 Vp-p.
D G
0V
0V
5-7-4. BLACK LIMIT (BLACK LIMITER LEVEL) ADJUSTMENT Adjusting Procedure: 1. Connect an oscilloscope to the TP1959 on the TV board. 2. Adjust the . / > keys so that the E level of the waveform on the oscilloscope is 1.0 ± 0.1 Vp-p.
5-7-8. R-SUB CONT (R-CH SUB CONTRAST) ADJUSTMENT Adjusting Procedure: 1. Connect an oscilloscope of 10 step voltage to the TP1958 on the TV board. 2. Adjust the . / > keys so that the D level of the waveform on the oscilloscope is 3.25 ± 0.1 Vp-p.
D D
0V
0V
5-7-5. WHITE LIMIT (WHITE LIMITER LEVEL) ADJUSTMENT Adjusting Procedure: 1. Connect an oscilloscope to the TP1959 on the TV board. 2. Adjust the . / > keys so that the F level of the waveform on the oscilloscope is 3.9 ± 0.05 Vp-p.
5-7-9. B-SUB CONT (B-CH SUB CONTRAST) ADJUSTMENT Adjusting Procedure: 1. Connect an oscilloscope of 10 step voltage to the TP1960 on the TV board. 2. Adjust the . / > keys so that the D level of the waveform on the oscilloscope is 3.25 ± 0.1 Vp-p.
F D
0V
5-7-6. R-SUB BRT (R-CH SUB BRIGHT) ADJUSTMENT Adjusting Procedure: 1. Connect an oscilloscope of 1 step voltage to the TP1958 on the TV board. 2. Adjust the . / > keys so that the G level of the waveform on the oscilloscope is 1.0 ± 0.1 Vp-p.
