Sony HVR-A1J Service Manual page 284

2. S VIDEO OUT Chroma Level Adjustment
(TT-001 board)
Mode
Subject
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified value
Note 1: Check that the data of page: 0, address: 10 is "00".
Adjusting method:
Order Page Address Data
1 0
2 3
3
4 3
(NTSC)
5 C
(PAL)
(NTSC)
6 C
(PAL)
(NTSC)
7 C
(PAL)
(NTSC)
8 C
(PAL)
9
10 3
11 0
Note 2: For the bit values, refer to "6-4. SERVICE MODE",
"4-4. 3. Bit value discrimination".
HVR-A1J/A1U/A1N/A1E/A1P/A1C
CAMERA-TAPE
Arbitrary
Chroma signal terminal of S VIDEO
plug of A/V jack (75 Ω terminated)
External trigger: Y signal terminal of
S VIDEO plug of A/V jack (75 Ω
terminated)
Oscilloscope
C
26, 27 (NTSC)
86, 87 (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
01 01
0C 02 Press PAUSE (Write) button.
Wait for 5 sec.
Check the bit value of bit5 is
11
"1". (Note 2)
Change the data and set the
26
Cr signal level (A) to the
specified value.
86
26
Press PAUSE (Write) button.
86
Change the data and set the
27
Cb signal level (B) to the
specified value.
87
27
Press PAUSE (Write) button.
87
Check the burst signal (C) to
the specified value.
0C 00
01 00
0.28 sec(NTSC)
0.23 sec(PAL)
6-119
H
A
B
0.28 sec(NTSC)
0.23 sec(PAL)
Fig. 6-3-4
C