SONY ICFDVD57TV
Manual de Servicio

ICF-DVD57TV

5-7-1. Gamma 1 Adjustment Adjusting Procedure: 1. Connect an oscilloscope to the TP1964 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the C level of the waveform on the oscilloscope is 2.1 ± 0.1 Vp-p.

5-7-5. White Limit (White Limiter Level) Adjustment Adjusting Procedure: 1. Connect an oscilloscope to the TP1964 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the F level of the waveform on the oscilloscope is 4.0 ± 0.05 Vp-p.

F C

0V

0V

5-7-2.

Gamma 2 Adjustment

5-7-6.

R-Sub BRT (R-ch Sub Bright) Adjustment

Adjusting Procedure: 1. Connect an oscilloscope to the TP1964 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the D level of the waveform on the oscilloscope is 3.0 ± 0.1 Vp-p.

Adjusting Procedure: 1. Connect an oscilloscope of 1 step voltage to the TP1963 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the B level of the waveform on the oscilloscope is 1.0 ± 0.1 Vp-p.

D

B

0V

0V

5-7-3.

Y Gain (Luminance Signal Contrast Level) Adjustment

5-7-7.

B-Sub BRT (B-ch Sub Bright) Adjustment

Adjusting Procedure: 1. Connect an oscilloscope to the TP1964 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the E level of the waveform on the oscilloscope is 3.25 ± 0.1 Vp-p.

Adjusting Procedure: 1. Connect an oscilloscope of 1 step voltage to the TP1965 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the B level of the waveform on the oscilloscope is 1.0 ± 0.1 Vp-p.

E
B

0V

0V

5-7-8. 5-7-4. Black Limit (Black Limiter Level) Adjustment

R-Sub CONT (R-ch Sub Contrast) Adjustment

Adjusting Procedure: 1. Connect an oscilloscope to the TP1964 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the A level of the waveform on the oscilloscope is 1.0 ± 0.05 Vp-p.

Adjusting Procedure: 1. Connect an oscilloscope of 10 step voltage to the TP1963 and TP1901 (GND) on the MONITOR board. 2. Adjust the . / > keys so that the E level of the waveform on the oscilloscope is 3.25 ± 0.1 Vp-p.

E

0V
A

0V

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