Black Shading Adjustment - Sony BVP-550 Maintenance Manual

4-2. Adjustment for Installation of OHB
9. Switch the waveform monitor to CHROMA mode.
10. Perform adjustment.
Adjustment point:
1 RV200/VA-163 (C4)
1 RV400/VA-163 (F4)
Specifications: C=Minimum
C=MINIMUM
(Waveform Monitor)
4
VA
TEST
CT200
R GAIN
RV200
R
CT300
G GAIN
R
CT400
B GAIN
RV400
B
VA-163(COMPONENT SIDE)
4-6 (E)
3 2 1
A
B
C
D
E
F
G

4-2-3. Black Shading Adjustment

Notes:
• The compensation data obtained by the black shading
adjustment is not stored in the OHB File. Therefore,
when the OHB is replaced or a new OHB is installed, be
sure to perform this adjustment.
• 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 Sony
service representative.
Preparations:
Connect the waveform monitor to the TEST OUT connec-
tor.
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) to MENU.
2. Set the menu as follows and execute the auto black
shading.
MENU : Maintenance
PAGE : Auto Setup(M4)
ITEM : Black Shading
• Press the MENU SEL switch (on the front panel) to
execute the automatic black shading adjustment.
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,
and so on.
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.
BVP-550
BVP-550P