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2.
CAP FG Duty Adjustment (VS-93 board)
Mode
Sigal
Measurement Point
Measuring Instrument
Adjustment Address
Specified Value
Adjusting method:
1)
Release the protect.
Page: 1, address: 00, data: 01
2)
Set data: 80 to page: D, address: 38.
3)
Change the data of page: D, address: 38, and adjust the duty
of the CFG waveform to the specified value.
4)
Press the PAUSE button of the adjusting remote control
unit.
ee
Center of the amplitude
Duty= x10 (%)
—
Fig. 9-6.
9-5. VIDEO ADJUSTMENTS
The
adjustments
of the video
system
must
be performed
according to the following adjustment procedure.
The color video signal supplied from the pattern generator is used
as the video input signal for adjusting the video system in
recording mode. Check that the sync signal and the color burst
signal satisfy the specification specified during the adjustment
set-up shown in Fig. 9-3.
[Adjusting procedure]
1) Playback frequency characteristic adjustment
2) Flying erase check
3) VXO oscillation frequency check
4) EE level adjustment
.
5) IR adjustment
6) Y/C separation adjustment
7) Emphasis input level adjustment
8) PB Y level adjustment
9) PB LINE OUT level adjustment
10) Y FM carrier frequency adjustment
11) Y FM deviation adjustment
12) Chroma emphasis fo adjustment
13) REC Y level adjustment
14) REC C level adjustment
15) REC ATF level check
16) REC AFM level check
— 243 —
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