Sync Level Adjustment; Burst Level Adjustment; Set Up Adjustment; Db Adjustment - Sony DXC-190 Service Manual

4-4-2. SYNC Level Adjustment

1 Press the STEP FORWARD button on the commander
three times. As a result, the displayed mode will
change to "2B".
2 Close the lens opening.
3 Press the CHANGE DATA button so that the
determined voltage will fall within the standard range.
Subject
Measurement point
Equipment
Display Mode
Specification
Lens opening
SYNC Level

4-4-3. Burst Level Adjustment

1 Press the STEP FORWARD button on the commander
once. As a result, the displayed mode will change to
"2C".
2 Press the CHANGE DATA button so that the burst
level will be 75 %.
Subject
Equipment
Display Mode
Specification
Center
75%
DXC-190
Free
SYNC level of VIDEO OUT
Waveform Monitor
2B
40 4 IRE
Close
Free
Vectorscope
2C
Burst level is 75 %

4-4-4. SET UP Adjustment

1 Press the step forward button of the commander once.
The mode indicator will display "00".
2 Press the data change button to ensure the measured
voltage is within the specified value range.
Subject
Measurement point
Equipment
Display Mode
Specification

4-4-5. 0 dB Adjustment

1 Press the STEP FORWARD button on the commander
once. As a result, the displayed mode will change to
"5A".
2 Shoot the all-white pattern, and adjust the lens iris so
that the CCD LEVEL (TP1) is 250 20 mV p-p.
Subject
Measurement point
Equipment
Display Mode
Specification
CCD LEVEL
3 Press the data change button to ensure the measured
voltage is within the specified value range.
Subject
Measurement point
Equipment
Display Mode
Specification
A/D-IN
Close 'C'
SET UP level of VIDEO OUT
Waveform Monitor
00
7.0 2.0 IRE
SET UP
All white pattern
Interface Tool TP1 (CCD LEVEL)
Oscilloscope (AC 50 mV, 10 us)
5A
250 20 mV
All white pattern
Interface Tool TP2 (A/D-IN)
Oscilloscope (AC 200 mV, 10 us)
5A
+60
800 mV
_40
4-5