Video System Adjustments; Video Sync Level Adjustment; Video Burst Level Check - Sony Cybershot DSC-P9 Service Manual

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 Ω terminated)
Measuring Instrument Oscilloscope
Adjustment Page A
Adjustment Address A0
A = 286 ± 5 mVp-p (NTSC)
Specified Value
A = 300 ± 5 mVp-p (PAL)
Adjusting method:
Order Page Address Data
1 0 01 01
2 A 02 03
3 4 F1 04
4 A A0
5 A A0
Processing after Completing Adjustments:
Order Page Address Data
1 A 02 00
2 4 F1 00
3 0 01 00
H
Fig. 5-1-11
Procedure
Press PAUSE button
Change the data and set the
sync level (A) to the specified
value.
Press PAUSE button
Procedure
Press PAUSE button
A

2. Video Burst Level Check

Adjust the burst level of the composite video signal output.
Mode
Signal
Measurement Point
Measuring Instrument
Specified Value
Adjusting method:
Order Page Address Data
1 0 01
2 A 02
3 4 F1
4 A A0
5 A A0
Processing after Completing Adjustments:
Order Page Address Data
1 A 02
2 4 F1
3 0 01
5-13
PLAY
Arbitrary
Video terminal of A/V OUT jack
(75 Ω terminated)
Oscilloscope
A = 286 ± 30 mVp-p (NTSC)
A = 300 ± 30 mVp-p (PAL)
Procedure
01
03 Press PAUSE button
04
Check that the burst level (A)
is satisfied the specified value.
Press PAUSE button
Procedure
00 Press PAUSE button
00
00
H
Fig. 5-1-12
DSC-P9
A