Sony HDV HVR-Z7E, Руководство по обслуживанию, Страница: 320 / 507

6-130
HVR-Z7J/Z7U/Z7N/Z7E/Z7P/Z7C
1-3. S VIDEO OUT Chroma Level Adjustment
(TT-007 board)
Mode VCR mode
Signal No signal
Measurement Point Chroma signal terminal of S VIDEO
plug of A/V OUT jack
(75
Ω
terminated)
External trigger: Y signal terminal of
S VIDEO plug of A/V OUT jack
(75
Ω
terminated)
Measuring Instrument Oscilloscope
Adjustment Page C
Adjustment Address 26, 27 (NTSC)
7F, 80 (PAL)
Specified value Cr level: A = 714
±
14 mVp-p (NTSC)
A = 700
±
14 mVp-p (PAL)
Cb level: B = 714
±
14 mVp-p(NTSC)
B = 700
±
14 mVp-p(PAL)
Burst level: C = 286
±
6 mVp-p(NTSC)
C = 300
±
6 mVp-p (PAL)
Adjusting method for NTSC model:
Order Page Address Data Procedure
1 Perform “Preparations”
2 C 26
Change the data and set the
Cr signal level (A) to the
specified value.
3 C 26 Press PAUSE (Write) button.
4 C 7F
Set a value obtained by
subtracting 3 from the
forementioned data, and
press PAUSE (Write) button.
5 C 27
Change the data and set the
Cb signal level (B) to the
specified value.
6 C 27 Press PAUSE (Write) button.
7 C 80
Set a value obtained by
subtracting 3 from the
forementioned data, and
press PAUSE (Write) button.
8
Check the burst signal (C) to
the specified value.
9
Perform “Processing after
Complete Adjustment”.
H
A
0.28
µ
sec (NTSC)
B
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL) 0.23
µ
sec (PAL)
C
Fig. 6-3-4
Adjusting method for PAL model:
Order Page Address Data Procedure
1 Perform “Preparations”
2 C 7F
Change the data and set the
Cr signal level (A) to the
specified value.
3 C 7F Press PAUSE (Write) button.
4 C 26
Set a value obtained by
adding 3 to the
forementioned data, and
press PAUSE (Write) button.
5 C 80
Change the data and set the
Cb signal level (B) to the
specified value.
6 C 80 Press PAUSE (Write) button.
7 C 27
Set a value obtained by
adding 3 to the
forementioned data, and
press PAUSE (Write) button.
8
Check the burst signal (C) to
the specified value.
9
Perform “Processing after
Complete Adjustment”.