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S Video Out Chroma Level Adjustment; (vc-242 Board); Video Out Y, Chroma Level Check (vc-242 Board) - Sony DCR-VX2000 Service Manual

Digital video camera recorder.
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3. S VIDEO OUT Chroma Level Adjustment

(VC-242 Board)

Mode
Camera
Subject
Arbitrary
Measurement Point
Chroma signal terminal of S VIDEO
jack (75Ω terminated)
External trigger: Y signal terminal of
S VIDEO jack
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
26, 27
Specified Value
Cr level:
Cb level:
Burst level: C = 286 ± 6mV(NTSC)
Adjusting method:
Order Page Address Data
1
0
01
01
2
2
35
3
2
35
01
4
3
0C
02
5
C
26
6
C
26
7
C
27
8
C
27
9
10
3
0C
00
11
2
35
12
0
01
00
0.28 µ sec (NTSC)
0.23 µ sec (PAL)
Fig. 5-3-9.
A = 714 ± 14mV(NTSC)
A = 700 ± 14mV(PAL)
B = 714 ± 14mV(NTSC)
B = 700 ± 14mV(PAL)
C = 300 ± 6mV(PAL)
Procedure
Set the data.
Note down the data.
Set the data.
Set the data, and press PAUSE
button.
Change the data and set the Cr
signal level (A) to the specified
value.
Press PAUSE button.
Change the data and set the Cb
signal level (B) to the specified
value.
Press PAUSE button.
Check that the burst signal level
(C) is satisfied the specified value.
Set the data, and press PAUSE
button.
Set the data that is noted down at
step 2.
Set the data.
H
A
B
0.28 µ sec (NTSC)
0.23 µ sec (PAL)

4. VIDEO OUT Y, Chroma Level Check (VC-242 Board)

Mode
Subject
Measurement Point
Measuring Instrument
Specified Value
Adjusting method:
Order Page Address Data
1
2
35
2
2
35
3
3
0C
4
5
6
3
0C
7
2
35
8
0
01
A
C
5-49
Camera
Arbitrary
VIDEO jack (75Ω terminated)
Oscilloscope
Sync level: A = 286 ± 18mV(NTSC)
A = 300 ± 18mV(PAL)
Burst level: B = 286 ± 18mV(NTSC)
B = 300 ± 18mV(PAL)
Procedure
Note down the data.
01
Set the data.
02
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.
00
Set the data, and press PAUSE
button.
Set the data that is noted down at
step 1.
00
Set the data.
H
Fig. 5-3-10.
B

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