Sony ICF-DVD57TV Service Manual page 20
Lcd-tv dvd kitchen clock radio
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Also See for ICF-DVD57TV:
- Service manual (94 pages) ,
- Operating instructions manual (45 pages) ,
- Specifications (2 pages)
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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
. / >
waveform on the oscilloscope is 2.1 ± 0.1 Vp-p.
5-7-2.
Gamma 2 Adjustment
Adjusting Procedure:
1. Connect an oscilloscope to the TP1964 and TP1901 (GND)
on the MONITOR board.
2. Adjust the
. / >
waveform on the oscilloscope is 3.0 ± 0.1 Vp-p.
5-7-3.
Y Gain (Luminance Signal Contrast Level)
Adjustment
Adjusting Procedure:
1. Connect an oscilloscope to the TP1964 and TP1901 (GND)
on the MONITOR board.
2. Adjust the
. / >
waveform on the oscilloscope is 3.25 ± 0.1 Vp-p.
5-7-4.
Black Limit (Black Limiter Level) Adjustment
Adjusting Procedure:
1. Connect an oscilloscope to the TP1964 and TP1901 (GND)
on the MONITOR board.
2. Adjust the
. / >
waveform on the oscilloscope is 1.0 ± 0.05 Vp-p.
20
keys so that the C level of the
C
0V
keys so that the D level of the
D
0V
keys so that the E level of the
E
0V
keys so that the A level of the
A
0V
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
. / >
waveform on the oscilloscope is 4.0 ± 0.05 Vp-p.
5-7-6.
R-Sub BRT (R-ch Sub Bright) Adjustment
Adjusting Procedure:
1. Connect an oscilloscope of 1 step voltage to the TP1963 and
TP1901 (GND) on the MONITOR board.
2. Adjust the
. / >
waveform on the oscilloscope is 1.0 ± 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 TP1965 and
TP1901 (GND) on the MONITOR board.
2. Adjust 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 TP1963 and
TP1901 (GND) on the MONITOR board.
2. Adjust the
. / >
waveform on the oscilloscope is 3.25 ± 0.1 Vp-p.
keys so that the F level of the
F
0V
keys so that the B level of the
B
0V
keys so that the B level of the
B
0V
keys so that the E level of the
E
0V
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