S-Video Output Level Check (Vd-28 Board) - Sony DSR-50P Service Manual

19. S-Video Output Level Check (VD-28 Board)

Mode Playback
Signal Arbitrary
S VIDEO OUT Y terminal (75 Ω
Measurement Point
terminated)
S VIDEO OUT C terminal (75 Ω
terminated)
Measuring Instrument Vectorscope (NTSC: 0% setup
mode)
Oscilloscope
Specified Value Y signal: A = 822 ± 20 mVp-p
C signal: From the center of
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 01, and press the PAUSE
button of the adjustment remote commander.
3) Confirm that the Y signal level (A) satisfied the specified value.
4) Only for NTSC model, set the vectorscope to the 7.5% setup
mode.
5) Adjust the burst luminance point to the specified position using
the PHASE and GAIN knobs of vectorscope.
6) Only for NTSC model, set the vectorscope to the 0% setup
mode.
7) Make sure that each luminance point of C signal positions at
the mark on the vectorscope.
8) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
9) Select page: 0, address: 01, and set data: 00.
Y signal
A
(NTSC)
A = 825 ± 20 mVp-p
(PAL)
mark
on the vectorscope, each
luminance point must
satisfy the following:
Level: ± 5%
Phase: ± 3º
H
C signal
For NTSC model
Y
L
Burst
For PAL model
–G
Y
L
–Y
L
–Burst
G
Fig. 5-3-25
5-66
R
M
G
B
G
C
Y
R
–C
Y
M
G
Burst
–M
G
C
–R
Y
–B
B