Read Sony DCR-TRV130 / DCR-TRV130E (serv.man2) Service Manual online
5-45
3. S VIDEO OUT Y Level Adjustment (VC-256 Board)
Mode
VTR stop
Signal
No signal
Measurement Point
Y signal terminal of S VIDEO OUT
jack (75
jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
25
Specified Value
A = 1000 ± 20mV
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
11
10
Set the data, and press PAUSE
button.
button.
3
3
0C
02
Set the data, and press PAUSE
button.
button.
4
C
25
Change the data and set the Y
signal level (A) to the specified
value.
signal level (A) to the specified
value.
5
C
25
Press PAUSE button.
6
3
0C
00
Set the data, and press PAUSE
button.
button.
7
D
11
00
Set the data, and press PAUSE
button.
button.
8
0
01
00
Set the data.
4. S VIDEO OUT Chroma Level Adjustment
(VC-256 Board)
Mode
VTR stop
Signal
No signal
Measurement Point
Chroma signal terminal of S VIDEO
OUT jack (75
OUT jack (75
Ω
terminated)
External trigger: Y signal terminal of
S VIDEO OUT jack
S VIDEO OUT jack
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
26, 27
Specified Value
Cr level:
A = 714 ± 14mV (NTSC)
A = 700 ± 14mV (PAL)
A = 700 ± 14mV (PAL)
Cb level:
B = 714 ± 14mV (NTSC)
B = 700 ± 14mV (PAL)
B = 700 ± 14mV (PAL)
Burst level: C = 286 ± 6mV (NTSC)
C = 300 ± 6mV (PAL)
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
D
11
10
Set the data, and press PAUSE
button.
button.
3
3
0C
02
Set the data, and press PAUSE
button.
button.
4
C
26
Change the data and set the Cr
signal level (A) to the specified
value.
signal level (A) to the specified
value.
5
C
26
Press PAUSE button.
6
C
27
Change the data and set the Cb
signal level (B) to the specified
value.
signal level (B) to the specified
value.
7
C
27
Press PAUSE button.
8
Check that the burst signal level
(C) is satisfied the specified
value.
(C) is satisfied the specified
value.
9
3
0C
00
Set the data, and press PAUSE
button.
button.
10
D
11
00
Set the data, and press PAUSE
button.
button.
11
0
01
00
Set the data.
Fig. 5-3-8.
Fig. 5-3-9.
H
Center of luminance line
A
H
C
A
0.28
µ
sec
B
0.28
µ
sec
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