Sharp CD-BK310V Service Manual page 17

Video cd mini system
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TV monitor
Figure 17-1
Checking of vector scope waveform
Disc
Checking
Set the phase of color
Track 2
VIDEO OUT
burst signal (B) to
180° -360° line.
(
Check that the setting is within the illustrated range.)
100
110
120
130
R
140
103.4
150
167.1
160
170
YE
180
190
200
240.8
210
G
220
230
240
250
260
Vector scope waveform of color bar signal
Figure 17-2
Checking
Setting
Item
Phase check
±10°
90
80
70
60
50
40
MG
60.8
+0
33
BL
-1
347.1
123 +180
283.4
320
CY
310
300
290
280
270
Checking the black-and-white level
Disc
Checking
Track 3
VIDEO OUT
IRE
100
80
60
40
20
30
20
-20
10
-40
360
NTSC
350
Waveform on 140 LINE
340
330
– 17 –
CD-BK310V
TV monitor
Figure 17-3
Setting
150 line.
0%
12.5%
(This burst level
is 40 IRE)
100%
Figure 17-4
TV monitor
Figure 17-5
Checking
Item
Output level
±10 IRE
140 IRE

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