Read Sony DSC-F77 / DSC-FX77 (serv.man3) Service Manual online
DSC-F77/FX77
6-13
COVER
COVER
A
H
2.
Video Burst Level Check
Check the burst level of the composite video signal output.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Video terminal of A/V OUT jack
(75
(75
Ω terminated)
Measuring Instrument
Oscilloscope
Specified Value
A = 286
± 30 mVp-p (NTSC mode)
A = 300
± 30 mVp-p (PAL mode)
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
03
Press PAUSE button
3
4
F1
04
4
Check that the burst level (A)
is satisfied the specified value.
is satisfied the specified value.
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button
2
4
F1
00
3
0
01
00
A
H
Fig. 6-1-10
Fig. 6-1-11
1-3.
VIDEO SYSTEM ADJUSTMENTS
1.
Video Sync Level Adjustment
Adjust the sync level of the composite video signal output.
Mode
PLAY
Signal
Arbitrary
Measurement Point
Video terminal of A/V OUT jack
(75
(75
Ω terminated)
Measuring Instrument
Oscilloscope
Adjustment Page
A
Adjustment Address
A0
Specified Value
A = 286
± 5 mVp-p (NTSC mode)
A = 300
± 5 mVp-p (PAL mode)
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
2
A
02
03
Press PAUSE button
3
4
F1
04
4
A
A0
Change the data and set the
sync level (A) to the specified
value.
sync level (A) to the specified
value.
5
A
A0
Press PAUSE button
Processing after Completing Adjustments:
Order Page Address Data
Procedure
1
A
02
00
Press PAUSE button
2
4
F1
00
3
0
01
00
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