H/V Ratio Adjustment - Sony BVP-550 Maintenance Manual

4-2. Adjustment for Installation of OHB

4-2-12. H/V Ratio 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)
4-16 (E)
2. Set the menu as follows, and adjust the H/V Ratio by
turning the MENU SEL switch.
MENU : Paint
PAGE : Detail 2 (P3)
ITEM : H/V Ratio
Specifications: Adjust the ratio between the H and
V detail amounts (white) to be
added is 1 : 1.
V
(Waveform Monitor)
H
BVP-550
BVP-550P