5-19 (E)
BVP-570
5-13. Black Shading Adjustment
Note:
If the shading adjustment is not completed, perform the
adjustment again referring to the message displayed on the
viewfinder or MSU.
If the re-adjustment still is not completed, consult your
local Sony Sales Office/Service Center.
Preparations:
.
Connect the waveform monitor to the TEST OUT
connector.
.
RGB/ENC switch (on the side panel)
→
ENC
Test Point
: TEST OUT connector
Iris of the lens
: CLOSE
Adjustment Procedures:
1.
Set the DISP switch (on the side panel) from OFF to
MENU while holding down the MENU SEL switch
(on the front panel).
2.
Set the menu as follows and execute the auto black
shading. Press the MENU SEL switch to execute.
MENU
: Maintenance
PAGE
: Auto Setup(M4)
ITEM
: Black Shading
3.
Confirm the “OK” is displayed on the viewfinder or
MSU. If the error message is displayed, perform the
adjustment again referring to this message.
Message and its meaning
BLACK:OK
: Adjustment correctly completed.
LEVEL TOO HIGH : Lens closing does not operate fully.
TIME LIMIT
: Black shading adjustment could not
be completed within the specified
number of attempts.
OVER FLOW
: The difference between the refer-
ence value and the current value is
too great, and exceeds adjustment
range. Adjustment is then not
completed.
4.
Confirm the carrier level is less than 2 IRE for NTSC
or less than 14 mV for PAL on the waveform monitor.
.
Manual Black Shading Adjustment
(For reference)
Note:
.
Perform this adjustment only when “5-13. Black Shading
Adjustment” is not completed.
Equipment
: Waveform monitor
Preparations:
.
Connect the waveform monitor to the TEST OUT
connector.
.
GAIN switch (on the side panel)
→
H (18 dB)
Test Point
: TEST OUT connector
Iris of the lens
: CLOSE
Adjustment Procedures:
1.
Set the waveform monitor as follows.
.
LUM mode
.
VOLTFULL SCALE range
→
0.5
2.
Set the ENC/RGB switch (on the side panel) to RGB.
Set the R/G/B switch (on the side panel) to G.
3.
Set the DISP switch (on the side panel) from OFF to
MENU while holding down the MENU SEL switch
(on the front panel).
4.
Set the menu as follows, and adjust the master black
level to 3 IRE for NTSC or 21 mV for PAL by using
the MENU SEL switch.
MENU
: Maintenance
PAGE
: Black Shading (M3)
ITEM
: Black M
5.
If the shading is monitored, make the waveform flat
referring to the following table.
6.
Perform the adjustments for R-ch and B-ch with the
same procedures as for G-ch.
5-13. Black Shading Adjustment
Содержание BVP-570
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Страница 263: ...COLOR VIDEO CAMERA BVP 570 MAINTENANCE MANUAL 1st Edition Serial No 15001 and Higher ...
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Страница 524: ...Printed in U S A Sony Corporation 1998 8 76 Broadcasting Professional Systems Company 1998 BVP 570 SY J E 3 200 631 01 ...
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