Board Adjustment; Video Monitor Out Level Adjustment - Sony MAV-555A Maintenance Manual

4-2. EM-3 Board Adjustment
4-2. EM-3 Board Adjustment

4-2-1. Video Monitor Out Level Adjustment

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Turn on the main power of the MAV-555A and measuring
equipment. Wait for at least 30 minutes before starting any
adjustments.
Adjustment Procedure
1. Connect the 75% color bar signal to the SDI IN-1
connector.
2. Select the setup menu "010-525/625" and select either
"525/60" or "625/50" in accordance with the signal in
use.
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Refer to the MAV-555A Installation Manual for the
operating procedures.
. Turn off the main power once then back on.
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To restart quickly, execute the setup menu item [027-
FAST REBOOT].
3. Set the CHARACTER switch of the system setup
panel to OFF.
4. Press the R1 button of the PORT SELECT block on
the meter panel.
5. Press the SDI button of the VIDEO INPUT SELECT
block on the meter panel.
6. Equipment : Waveform monitor
Test point : ANALOG COMPOSITE MONITOR
OUT (SUPER) connector/rear panel
Adj. point : 1RV401 (B-2) /EM-3 board
A = 714 ± 20 mV (525/60)
Spec. :
A = 700 ± 20 mV (625/50)
A
Setting after Adjustment
Turn off the main power of the MAV-555A.
4-2 (E)
A B C D E
1
2
1
RV401
3
4
5
6
F G H J K
EM-3 board (A side)
MAV-555A