Video System Adjustments; Video Output Level Adjustment (Fc-72 Board) - Sony MVC-FD85 Service Manual

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VIDEO SYSTEM ADJUSTMENTS

1. Video Output Level Adjustment (FC-72 board)

Adjust the sync level and burst level of the composite video signal
output.
Mode PLAY
Signal Arbitrary
Measurement Point Video terminal of AV OUT jack
(75 Ω terminated)
Measuring Instrument Oscilloscope
Adjustment Page F
Adjustment Address 65, 66
Specified Value Sync level:
Burst level:
Menu setting:
1) VIDEO OUT of SET UP menu
............................ NTSC (NTSC mode)
............................ PAL (PAL mode)
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 5, address: F1, and set data: 04.
3) Select page: F, address: 65, change the data and set the sync
level (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: F, address: 66, change the data and set the burst
level (B) to the specified value.
6) Press the PAUSE button.
7) Select page: 5, address: F1, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
A
Fig. 5-1-8.
A=286 ± 5 mV (NTSC mode)
A=300 ± 5 mV (PAL mode)
B=286 ± 5 mV (NTSC mode)
B=300 ± 5 mV (PAL mode)
H
B
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