Sony ExwaveHAD SSC-DC50A, Service Manual

Page: 17 / 64

4-7 SSC-DC50A/54A
SSC-DC50AP/54AP/58AP
4-4-9. Color Reproduction
1
Press the step forward button once. The mode indicator
will display “03”.
2
Shoot the color bar chart.
3
Adjust the lens iris so that the VIDEO-OUT white
image level is set to 90
±
2.5 IRE (NTSC) or 630
±
15 mV (PAL).
4-4-10. WB Data Take-in
1
Press the commander’s step forward button once. The
mode indicator will display “63” and the data indicator
will displays “02”.
2
Shoot the all-white pattern.
3
Adjust the lens iris so that the image level of the
VIDEO-OUT value is set to 65
±
3 IRE (NTSC) or 455
±
20 mV (PAL).
4
Switching the mode between “03”, “04”, “05” and “06”
by pressing the MODE DISPLAY CHANGE button
and while doing so, press the data change button so that
the center of the bright spot for each color is placed in
it’s respective reproduction range.
Color Bar Chart
White image level of VIDEO OUT
Waveform Monitor
03
90
±
2.5 IRE (NTSC)
630
±
15 mV (PAL)
Subject
Measurement point
Equipment
Display Mode
Specification
Color Bar Chart
Respective color bright spot of
VIDEO OUT
Waveform Monitor
03, 04, 05, 06
The center of the bright spot for
each color is in it’s respective
reproduction range
Subject
Measurement point
Equipment
Display Mode
(a) Moving direction of the bright
spot when mode is “03”
(b) Moving direction of the bright
spot when mode is “04”
(c) Moving direction of the bright
spot when mode is “05”
(d) Moving direction of the bright
spot when mode is “06”
4
Press the data up button of the commander so that the
data indicator displays “03”.
5
Make sure that the data indicator of the commander
automatically displays “FF”.
*
If the data indicator does not display “FF”, there may be
a defective part in the circuit. Repair it, then repeat these
steps.
4-4-11. Data Write
1
Press the step forward button of the commander once.
The LCD indicator will turn off for a few seconds, then
turn on. Make sure that the data indicator displays
“00”. (The mode indicator should still display “63”.)
*
If the LCD indicator turns off and does not turns on, or
the data indicator does not display “00”, there may be a
defective part in the circuit. Repair it, then repeat these
steps.
Note: In this time, do not press the DATA write
(PAUSE) button.
All white pattern
White image level of VIDEO OUT
Waveform Monitor
63
65
±
3 IRE (NTSC)
455
±
20 mV (PAL)
Subject
Measurement point
Equipment
Display Mode
Specification
Specification
White Image Level
(a)
(b)
(c)
(d)