Sony DVCAM DSR-25, Service Manual, Page: 181 / 238

5-56
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
3-4-2. General Adjustment
1. Video Terminal Output Level Adjustment
(JC-21 Board)
Mode E-E
Signal Arbitrary
Measurement Point VIDEO OUTPUT terminal
(75
Ω terminated)
Measuring Instrument Vectorscope (NTSC: 0% setup
mode)
Oscilloscope
Adjustment Page C
Adjustment Address 25 (Y level)
26, 27 (C level)
Specified Value Y level: A = 822 ± 20 mVp-p
(NTSC)
A = 825
±
50 mVp-p (PAL)
C level: From the center of mark
on the vectorscope, each
luminance point must
satisfy the following:
Level:
±
5%
Phase: ± 3º
Switch setting:
Set the NTSC/PAL switch on the rear panel to “NTSC” (NTSC
mode) and perform this adjustment. Only checking is performed
in “PAL” mode.
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) Select page: C, address: 25, change the data and adjust the Y
level (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Change the data on page: C, addresses: 26, 27 and adjust so
that each luminance point positions at the mark on the
vectorscope.
6) Press the PAUSE button of the adjustment remote commander.
7) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-8
Y level
C level
For NTSC mode
For PAL mode