
5-65
17. Color Level Adjustment with 7.5% Setup
(VD-28 Board) (DSR-50)
Mode
Playback
Signal
Arbitrary
Measurement Point
VIDEO OUT 2 terminal (75
Ω
terminated)
Measuring Instrument
Vectorscope (7.5% setup mode)
Adjustment Page
E
Adjustment Address
C0, C1
Specified Value
From the center of mark on the
vectorscope, each luminance point
must satisfy the following:
Level: ± 5%
Phase: ± 3º
Note:
Perform this adjustment after inserting and playing a tape
into the set and setting “SETUP” for “VIDEO LVL” of
the “VIDEO SET” menu to 7.5%.
After the adjustment finished, return “SETUP” to 0%.
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) Adjust the burst luminance point to the specified position using
the PHASE and GAIN knobs of vectorscope.
4) Change the data on page: E, addresses: C0, C1 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: 3, address: 0C, set data: 00, and press the PAUSE
button.
7) Select page: 0, address: 01, and set data: 00.
R
M
G
Y
L
Burst
G
C
Y
B
Fig. 5-3-23
18. Video Output Level Check (VD-28 Board)
Mode
Playback
Signal
Arbitrary
Measurement Point
VIDEO OUT 2 terminal (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Specified Value
A = 822 ± 20 mVp-p (NTSC)
A = 825 ± 20 mVp-p (PAL)
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) Check that the video signal level (A) is satisfied the specified
value.
4) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
5) Select page: 0, address: 01, and set data: 00.
A
H
White
Fig. 5-3-24