Sony GV-D200E, Руководство по обслуживанию

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5-26
3. S VIDEO OUT Y Level Adjustment (VC-250 Board)
Mode VTR stop
Signal No signal
Measurement Point Y signal terminal of S VIDEO OUT
jack (75
Ω
terminated)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 25
Specified Value A = 1000 ± 20mV
Adjusting method:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 D 11 10 Set the data, and press PAUSE
button.
3 3 0C 02 Set the data, and press PAUSE
button.
4 C 25 Change the data and set the Y
signal level (A) to the specified
value.
5 C 25 Press PAUSE button.
6 3 0C 00 Set the data, and press PAUSE
button.
7 D 11 00 Set the data, and press PAUSE
button.
8 0 01 00 Set the data.
4. S VIDEO OUT Chroma Level Adjustment
(VC-250 Board)
Mode VTR stop
Signal No signal
Measurement Point Chroma signal terminal of S VIDEO
OUT jack (75
Ω
terminated)
External trigger: Y signal terminal of
S VIDEO OUT jack
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 26, 27
Specified Value Cr level: A = 714 ± 14mV(NTSC)
A = 700 ± 14mV(PAL)
Cb level: B = 714 ± 14mV(NTSC)
B = 700 ± 14mV(PAL)
Burst level: C = 286 ± 6mV(NTSC)
C = 300 ± 6mV(PAL)
Adjusting method:
Order Page Address Data Procedure
1 0 01 01 Set the data.
2 D 11 10 Set the data, and press PAUSE
button.
3 3 0C 02 Set the data, and press PAUSE
button.
4 C 26 Change the data and set the Cr
signal level (A) to the specified
value.
5 C 26 Press PAUSE button.
6 C 27 Change the data and set the Cb
signal level (B) to the specified
value.
7 C 27 Press PAUSE button.
8 Check that the burst signal level
(C) is satisfied the specified
value.
9 3 0C 00 Set the data, and press PAUSE
button.
10 D 11 00 Set the data, and press PAUSE
button.
11 0 01 00 Set the data.
Fig. 5-3-11.
Fig. 5-3-12.
H
Center of luminance line
A
H
C
A
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
B
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)