Sony BVP-550 Maintenance Manual page 889

• A/D Gain [R] Adjustment
2. R/G/B switch (on the side panelüj→ ENC
3. OUTPUT/DCC switch (on the side panel) → CAM/
OFF
4. MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : PR AD G [R]
Specifications: Minimize the carrier leakage.
C = Minimum
• A/D Gain [B] Adjustment
5. MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : PR AD G [B]
Specifications: Minimize the carrier leakage.
C = Minimum
6. Repeat the steps 4 and 5 alternately until the specifica-
tions are satisfied.
7. MENU Setting:
MENU : Paint
PAGE : Detail1 (P2)
ITEM : Detail→On
PAGE : Gamma (P5)
ITEM : Gammma→On
PAGE : Knee/W.Clip (P6)
ITEM : White Clip→On
MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : TEST→Off
BVP-550
BVP-550P
4-4-14. 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 following 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 by pressing the MENU SEL switch (on the
front panel).
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 following 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.
4-4. Overall Electrical Alignment
4-35(E)