Video System Adjustments; Video Sync Level Adjustment; Video Burst Level Adjustment - Sony MVC-FD83 Service Manual

1-3.

VIDEO SYSTEM ADJUSTMENTS

1. Video Sync Level Adjustment

Adjust the sync level of the composite video signal output
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
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 adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
A
Fig. 5-1-10
PLAY
Color bar (Test signal)
Video terminal of A/V OUT jack
(75 terminated)
Oscilloscope
F
65
A=286 ± 5 mV (NTSC)
A=300 ± 6 mV (PAL)

2. Video Burst Level Adjustment

Adjust the burst level of the composite video signal output
Mode
Signal
Measurement Point
Measuring Instrument
Adjustment Page
Adjustment Address
Specified Value
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: 66, change the data and set the burst
level (A) to the specified value.
4) Press the PAUSE button of the adjusting remote commander.
Processing after Completing Adjustments:
1) Select page: 5, address: F1, and set data: 00.
2) Select page: 0, address: 01, and set data: 00.
A
5-12
PLAY
Color bar (Test signal)
Video terminal of A/V OUT jack
(75 terminated)
Oscilloscope
F
66
A=286 ± 5 mV (NTSC)
A=300 ± 6 mV (PAL)
Fig. 5-1-11