Read Sony DCR-HC90 / DCR-HC90E (serv.man4) Service Manual online
6-54
DCR-HC90/HC90E
3. S VIDEO OUT Y Level Adjustment (VC-380 board)
Mode
CAMERA-TAPE
Subject
Arbitrary
Measurement Point
Y signal terminal of S VIDEO plug of
A/V jack (75
A/V jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
25
Specified Value
A = 1000
±
14mV
Note1: This adjustment should be carried out upon completion of the
following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.
Note2: The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
8
4C
94
Set the data, and press PAUSE
button.
button.
3
3
01
71
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
01
00
Set the data, and press PAUSE
button.
button.
7
8
4C
96
Set the data, and press PAUSE
button.
button.
8
0
01
00
Set the data.
4. S VIDEO OUT Chroma Level Adjustment
(VC-380 board)
Mode
CAMERA-TAPE
Subject
Arbitrary
Measurement Point
Chroma signal terminal of S VIDEO
plug of A/V jack (75
plug of A/V jack (75
Ω
terminated)
External trigger: Y signal terminal of
S VIDEO plug of A/V jack
S VIDEO plug of A/V jack
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
26, 27
Specified Value
Cr level:
A = 714
±
14mV (NTSC)
A = 700
±
14mV (PAL)
Cb level:
B = 714
±
14mV (NTSC)
B = 700
±
14mV (PAL)
Burst level: C = 286
±
6mV (NTSC)
C = 300
±
6mV (PAL)
Note1: This adjustment should be carried out upon completion of the
following adjustments.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.
“IC4701 LINE OUT Y Level Adjustment”, “IC4701 LINE OUT
Chroma Level Adjustment”.
Note2: The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
8
4C
94
Set the data, and press PAUSE button.
3
3
01
71
Set the data, and press PAUSE 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
01
00
Set the data, and press PAUSE button.
10
8
4C
96
Set the data, and press PAUSE button.
11
0
01
00
Set the data.
Fig. 6-3-6.
Fig. 6-3-7.
H
A
H
C
A
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
B
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
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