Video System Adjustment; Video Output Level Adjustment - Sony MVC-CD250 Service Manual

1-3.

VIDEO SYSTEM ADJUSTMENT

1. Video Output Level Adjustment

Adjust the sync level of the composite video signal output and
check the burst 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
Specified Value Sync level:
Burst level:
Adjusting method:
Order Page Address Data
1 0 01 01
2 A 02 03
3 4 F1 04
4 A A0
5 A A0
6
Processing after Completing Adjustments:
Order Page Address Data
1 A 02 00
2 4 F1 00
3 0 01 00
B
Fig. 5-1-11
A = 286 ± 5 mV (NTSC Mode)
A = 300 ± 5 mV (PAL Mode)
B = 286 ± 5 mV (NTSC Mode)
B = 300 ± 5 mV (PAL Mode)
Procedure
Press PAUSE button.
Change the data and set the
sync level (A) to the specified
value.
Press PAUSE button.
Check the burst level (B) to the
specified value.
Procedure
Press PUASE button.
H
A
5-13
MVC-CD250/CD400