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5-43
H
A
Fig. 5-3-7.
H
A
Fig. 5-3-8.
4. Y OUT Level Adjustment (VC-251 board)
Set the Y signal output level. (Adjust the D/A converter out put
level of IC151.)
Mode
VTR stop
Signal
No signal
Measurement Point
Y signal terminal of S VIDEO
terminal (75
Ω
terminated )
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
67
Specified Value
A=286 ± 5mV (NTSC)
A=300 ± 5mV (PAL)
Note1:
Insert a plug into the S video terminal.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
2
01
41
Set the data, and press PAUSE
button.
3
6
61
30
Set the data,.
4
F
67
Change the data and set the SYNC
level (A) to the specified value.
5
F
67
Press PAUSE button.
6
2
01
00
Set the data, and press PAUSE
button.
7
6
61
10
Set the data.
8
0
01
00
Set the data.
5. C OUT Level Adjustment (VC-251 board)
Set the chroma signal output level. (Adjust the D/A converter out
put level of IC151.)
Mode
VTR stop
Signal
No signal
Measurement Point
Chroma signal terminal of S VIDEO
terminal (75
Ω
terminated )
Measuring Instrument
Oscilloscope
Adjustment Page
F
Adjustment Address
68
Specified Value
A=286 ± 5mV (NTSC)
A=300 ± 5mV (PAL)
Note1:
Insert a plug into the S video terminal.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
2
01
41
Set the data, and press PAUSE
button.
3
6
61
30
Set the data,.
4
F
68
Change the data and set the burst
level (A) to the specified value.
5
F
68
Press PAUSE button.
6
2
01
00
Set the data, and press PAUSE
button.
7
6
61
10
Set the data,.
8
0
01
00
Set the data.
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