Detail Frequency Adjustment - Sony BVP-550 Maintenance Manual

4-2-11. Detail Frequency Adjustment

Note:
• Perform this adjustment on the customer's preferences, if
necessary.
Equipment : Waveform monitor
Test point : TEST OUT connector
Object : Grayscale chart
Preparations:
Connect the waveform monitor to the TEST OUT connec-
tor.
Shoot the grayscale chart so that the chart frame is aligned
with the underscanned monitor frame.
(Waveform Monitor)
Set the menu as follows.
MENU : Paint
PAGE : Knee/W.Clip (P6)
ITEM : Knee→OFF
RGB/ENC switch (on the side panel) → ENC
Set the menu as follows.
MENU : Paint
PAGE : Detail 2 (P3)
ITEM : Detail→On
Adjustment procedures:
1. Adjust the iris control of the lens to satisfy the white
level A.
Specifications: A = 100 ±2 IRE (for NTSC)
A = 700 ±14 mV (for PAL)
(Waveform Monitor)
BVP-550
BVP-550P
2. Make a selection of line at the center white portion of
the grayscale chart.
3. Set the menu as follows.
MENU : Paint
PAGE : Detail 2 (P3)
ITEM : Frequency
Specifications: Adjust the edge width at each end of
the center white portion to the
desired width by turning the MENU
SEL switch.
(Waveform Monitor)
Note:
After this adjustment is completed, be sure to perform "4-
2-12. H/V Ratio Adjustment" and "4-2-13. Detail Level
Adjustment".
4-2. Adjustment for Installation of OHB
4-15 (E)