5. VIDEO OUT Y, Chroma Level Check (VC-256 Board)
Mode
VTR stop
Signal
No signal
Measurement Point
Video terminal of AUDIO/VIDEO jack
(75 terminated)
Measuring Instrument
Oscilloscope
Specified Value
Sync level: A = 286 ± 18mV (NTSC)
Burst level: B = 286 ± 18mV (NTSC)
Adjusting method:
Order Page Address Data
1
0
01
01
2
D
11
10
3
3
0C
02
4
5
6
3
0C
00
7
D
11
00
8
0
01
00
A
H
Fig. 5-3-10.
A = 300 ± 18mV (PAL)
B = 300 ± 18mV (PAL)
Procedure
Set the data.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Check that the sync signal level
(A) satisfies the specified value.
Check that the burst signal level
(B) satisfies the specified value.
Set the data, and press PAUSE
button.
Set the data, and press PAUSE
button.
Set the data.
B
5-46