Sony DVCAM DSR-25, Service Manual

Page: 184 / 238

5-59
DSR-25
A
H
White
R
M
G
Y
L
Burst
G
C
Y
B
R
–R
M
G
–M
G
Y
L
–Y
L
Burst
–Burst
G
–G
C
Y
–C
Y
B
–B
5. S-Video E-E Level Adjustment
(VD-032 Board)
Mode E-E
Signal Color bar (NTSC: 7.5% setup mode)
(S VIDEO input) (Note 1)
Measurement Point VIDEO OUTPUT terminal
(75
Ω terminated)
Measuring Instrument Vectorscope (NTSC: 7.5% setup
mode)
Oscilloscope
Adjustment Page E
Adjustment Address BD (Y level)
BE, BF (C level)
Specified Value Y level: A = 1000 ± 20 mVp-p
(NTSC)
A = 1000
± 50 mVp-p
(PAL)
C level: From the center of mark
on the vectorscope, each
luminance point must
satisfy the following:
(Note 2)
Level:
± 5%
Phase: ± 3º
Note 1:
Set “S VIDEO” mode with INPUT SELECT switch.
Note 2:
If a phase lag is seen, adjust “Decorder HUE adjustment”
again.
Switch setting:
Set the NTSC/PAL switch on the rear panel to “NTSC” (NTSC
mode) and perform this check. Only checking is performed in
“PAL” mode.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: E, address: BD, change the data and adjust the Y
level (A) to the specified value.
3) Press the PAUSE button of the adjustment remote commander.
4) Change the data on page: E, addresses: BE, BF and adjust so
that each luminance point positions at the mark on the
vectorscope.
5) Press the PAUSE button of the adjustment remote commander.
6) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-11
Y level
C level
For NTSC mode
For PAL mode