
5-24
7. CAP FG Offset Adjustment (VC-250 board)
Set the Cap FG signal duty cycle to 50% to establish an appropriate
capstan servo. If deviated, the uneven rotation of capstan and noise
can occur in the Hi8/Standard8 LP mode.
Mode
Playback
Signal
Hi8/standard 8 alignment tape :
For checking operation
(WR5-5NSP(NTSC))
(WR5-5CSP(PAL))
Measurement Point
Pin
qg
of CN933 (CAP FG)
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
64
Specified value
Duty = 50 ± 1 %
Adjusting method:
Order Page Address Data
Procedure
1
Set to the stop mode.
2
0
01
01
Set the data.
3
2
0E
02
Set the data.
4
Set to the playback mode.
5
6
01
81
Set the data, and press PAUSE
button.
6
3
02
Check that the data changes to
“01”.
7
6
01
00
Set the data, and press PAUSE
button.
8
Check that Duty of CAP FG
signal satisfies the specified
value. If not, repeat steps 5 to 8.
9
2
0E
00
Set the data.
10
0
01
00
Set the data.
Fig. 5-3-8.
A
B
Duty = A/B
×
100 [%]
Center of movement
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Страница 56: ...GV D200 D200E D800 D800E 4 9 REC PB AMP DAC DV I F Y C PROCESSOR LINE SERVO MECHA HI CONT D D CONV VC 250 ...
Страница 160: ...GV D200 D200E D800 D800E 206 9 929 853 11 Sony EMCS Co 2003F1600 1 2003 6 Published by DI CS Strategy Div ...
Страница 165: ... 8 GV D200 D200E D800 D800E Sony EMCS Co 2002C1600 1 2002 3 Published by DI Customer Center 9 929 853 81 ...