Zebra Adjustment - Sony BVP-550 Maintenance Manual

4-2-16. Zebra 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.
Set the menu as follows.
MENU : Paint
PAGE : Knee/W.Clip (P6)
ITEM : Knee→OFF
RGB/ENC switch (on the side panel) → ENC
Zebra switch (on the viewfinder) → ON
(Waveform Monitor)
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. Set the menu as follows, and adjust by turning the
MENU SEL switch.
MENU : System config
PAGE : Pre knee/Zebra (S4)
ITEM : Z.Disp→1
Adjustment Pont:
ITEM : Zebra1 (level)
Specifications: Adjust that the stripes appear at the
center of the portions A on the
viewfinder screen.
(The area of the stripes can be
changed by ITEM: Zebla 1 (Wide).)
A
(Waveform Monitor)
3. Set the menu as follows, and adjust it by turning the
MENU SEL switch.
MENU : System config
PAGE : Pre knee/Zebra (S4)
ITEM : Z.Disp→2
Adjustment Pont:
ITEM : Zebra2 (level)
Specifications: Adjust that the stripes appear at the
center of the portions B on the
viewfinder screen.
(The area of the stripes can be
changed by ITEM: Zebla 2 (Wide).)
(Waveform Monitor)
4. Set the Zebra switch (on the viewfinder) to OFF.
4-2. Adjustment for Installation of OHB
A
B
4-19 (E)