6-111
HVR-S270J/S270U/S270N/S270E/S270P/S270C
1-3. S VIDEO OUT Chroma Level Adjustment
(VC-513 board)
Mode
VCR mode
Signal
No signal
Measurement Point
Chroma signal terminal of S VIDEO
jack (75
Ω
terminated)
External trigger: Y signal terminal of
S VIDEO jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
96, 97 (NTSC)
99, 9A (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
96
Change the data and set the
Cr signal level (A) to the
specified value.
3
C
96
Press PAUSE (Write) button.
4
C
99
Set a value obtained by
subtracting 3 from the
forementioned data, and
press PAUSE (Write) button.
5
C
97
Change the data and set the
Cb signal level (B) to the
specified value.
6
C
97
Press PAUSE (Write) button.
7
C
9A
Set a value obtained by
subtracting 5 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
99
Change the data and set the
Cr signal level (A) to the
specified value.
3
C
99
Press PAUSE (Write) button.
4
C
96
Set a value obtained by
adding 3 to the
forementioned data, and
press PAUSE (Write) button.
5
C
9A
Change the data and set the
Cb signal level (B) to the
specified value.
6
C
9A
Press PAUSE (Write) button.
7
C
97
Set a value obtained by
adding 5 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”.
