Sony HVR-Z7J Service Manual page 320

1-3. S VIDEO OUT Chroma Level Adjustment
(TT-007 board)
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified value
Adjusting method for NTSC model:
Order Page Address Data
1
2 C 26
3 C 26
4 C 7F
5 C 27
6 C 27
7 C 80
8
9
HVR-Z7J/Z7U/Z7N/Z7E/Z7P/Z7C
VCR mode
No signal
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)
Oscilloscope
C
26, 27 (NTSC)
7F, 80 (PAL)
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)
Procedure
Perform "Preparations"
Change the data and set the
Cr signal level (A) to the
specified value.
Press PAUSE (Write) button.
Set a value obtained by
subtracting 3 from the
forementioned data, and
press PAUSE (Write) button.
Change the data and set the
Cb signal level (B) to the
specified value.
Press PAUSE (Write) button.
Set a value obtained by
subtracting 3 from the
forementioned data, and
press PAUSE (Write) button.
Check the burst signal (C) to
the specified value.
Perform "Processing after
Complete Adjustment".
Adjusting method for PAL model:
Order Page Address Data
1
2 C 7F
3 C 7F
4 C 26
5 C 80
6 C 80
7 C 27
8
9
0.28 µsec (NTSC)
0.23 µsec (PAL)
6-130
Procedure
Perform "Preparations"
Change the data and set the
Cr signal level (A) to the
specified value.
Press PAUSE (Write) button.
Set a value obtained by
adding 3 to the
forementioned data, and
press PAUSE (Write) button.
Change the data and set the
Cb signal level (B) to the
specified value.
Press PAUSE (Write) button.
Set a value obtained by
adding 3 to the
forementioned data, and
press PAUSE (Write) button.
Check the burst signal (C) to
the specified value.
Perform "Processing after
Complete Adjustment".
H
A B
0.28 µsec (NTSC)
0.23 µsec (PAL)
Fig. 6-3-4
C