Read Sony HDR-FX7 / HDR-FX7E (serv.man4) Service Manual online
6-92
HDR-FX7/FX7E_ADJ
1-3. S VIDEO OUT Chroma Level Adjustment
(TT-003 board)
Mode
VCR
Signal
No signal
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 (75
S VIDEO plug of A/V jack (75
Ω
terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
26, 27 (NTSC)
86, 87 (PAL)
86, 87 (PAL)
Specified value
Cr level: A = 714
±
14 mVp-p (NTSC)
A = 700
±
14 mVp-p (PAL)
Cb level: B = 714
±
14 mVp-p(NTSC)
B = 700
±
14 mVp-p(PAL)
Burst level: C = 286
±
6 mVp-p (NTSC)
C = 300
±
6 mVp-p(PAL)
Adjusting method:
Order Page Address Data
Procedure
1
Peform “Preparations”.
2
C
Change the data and set the
Cr signal level (A) to the
specified value.
Cr signal level (A) to the
specified value.
3
C
Press PAUSE (Write) button.
4
C
Change the data and set the
Cb signal level (B) to the
specified value.
Cb signal level (B) to the
specified value.
5
C
Press PAUSE (Write) button.
6
Check the burst signal (C) to
the specified value.
the specified value.
7
Perform “Processing after
Complete Adjustment”.
Complete Adjustment”.
H
A
0.28
µ
sec (NTSC)
B
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
0.23
µ
sec (PAL)
C
Fig. 6-3-4
(NTSC)
26
(PAL)
86
(NTSC)
26
(PAL)
86
(NTSC)
27
(PAL)
87
(NTSC)
27
(PAL)
87
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