Sony BVP-500, Maintenance Manual

Page: 72 / 122

4-20
BVP-500
BVP-500P
4-17. Zebra Adjustment
Note:
Perform this adjustment, if necessary, to suit the custom-
er’s preferences.
Equipment : Waveform monitor
Test Point : MONITOR connector
Object
: Grayscale chart
Preparations:
• Connect the waveform monitor to the MONITOR
connector.
• KNEE OFF button/MSU operation panel
→
OFF (Lights)
• S650 (MONITOR SELECT)/IF-538 panel
→
VBS
• Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
Adjustment Procedures:
1. Adjust the auto white balance.
WHITE button/MSU operation panel
→
ON (Lights)
2.
Iris of the lens
: A = 100
±
2 IRE (for NTSC)
A = 700
±
14 mV (for PAL)
(Waveform Monitor)
3. Set the DISPLAY switch/rear panel to MENU while
pushing up the MENU SELECT switch to ENTER.
4. Set the menu as follows.
MENU : System config
PAGE : Pre knee/Zebra (S4)
ITEM : Z.Disp
→
1
5. Adjust the zebra 1 using the MENU SELECT knob/
switch. Proceed as follows.
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 [RANGE].)
(Viewfinder Screen)
6. Set the menu as follows.
MENU : System config
PAGE : Pre knee/Zebra (S4)
ITEM : Z.Disp
→
2
7. Adjust the zebra 2 using the MENU SELECT knob/
switch. Proceed as follows.
ITEM : Zebra2 [LEVEL]
Specifications : Adjust that the stripes appear at the
center of the portions B on the
viewfinder screen.
(Viewfinder Screen)
A
A
B
4-17. Zebra Adjustment