Auto-Iris Vs Level Adjustment; Agc Max Adjustment; Wb (3200K Preset) Adjustment - Sony SSC-DC50A Service Manual

4-4-6. Auto-Iris VS Level Adjustment

1 Press the step forward button of the commander once.
The mode indicator will display "2D".
2 Keep the lens iris at 4-4-5 2.
3 Press the data change button to ensure that the
measured voltage is within the specified value range.
Subject
Measurement point
Equipment
Display Mode
Specification
IRIS-OUT

4-4-7. AGC MAX Adjustment

1 Press the step forward button of the commander once.
The mode indicator will display "5C".
2 Install the ND filter (6.25 %).
* Keep the lens iris at 4-4-6 .
3 Press the data change button to ensure that the
measured voltage is within the specified value range.
Subject
Measurement point
Equipment
Display Mode
Specification
4-6
All white pattern
Relay Jig TP5 (IRIS OUT)
Oscilloscope (AC 100 mV, 10 us)
2D
700 ±40 mV
All white pattern
VIDEO OUT image level
Waveform Monitor
5C
65 ±3 IRE (NTSC)
455 ±20 mV (PAL)
Image Level

4-4-8. WB (3200K preset) Adjustment

1 Press the step forward button of the commander once.
The mode indicator will display "50".
2 Remove the ND filter. Adjust the lens iris so that the
VIDEO-OUT image level is set at 65 ± 3 IRE (NTSC)
or 455 ± 20 mV (PAL).
Subject
Measurement point
Equipment
Display Mode
Specification
3 Alternately switch the mode between "50" and "51" by
pressing the MODE DISPLAY CHANGE button, and
while doing so, press the data change button so that the
white bright spot is placed over the origin of the vector
scope.
Subject
Measurement point
Equipment
Display Mode
Specification
All white pattern
Image level of VIDEO OUT
Waveform Monitor
50
65 ±3 IRE (NTSC)
455 ±20 mV (PAL)
All white pattern
VIDEO OUT white bright spot
Vectorscope
50, 51
The white bright spot is placed
over the origin of the vectorscope.
The white bright spot moves
in this direction when the mode
indication is "50".
The white bright spot
moves in this direction
when the mode
indication is "51".
SSC-DC50A/54A
SSC-DC50AP/54AP/58AP