Sony BVP-550 Maintenance Manual page 726

4-2. Adjustment for Installation of OHB
4-2-12. H/V Ratio Adjustment
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
connector.
• Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
• RGB/ENC switch (on the side panel) → ENC
• Set the DISP switch (on the side panel) to MENU while
holding down the MENU SEL switch (on the front
panel). Set the menu as follows.
MENU : Paint
PAGE : Detail 2 (P3)
: Detail → On
ITEM
PAGE : Knee/W.Clip (P6)
: Knee → Off
ITEM
Adjustment Procedures:
1. Iris of the lens: A = 90 ±2 IRE (for NTSC)
A = 630 ±14 mV (for PAL)
(Waveform Monitor)
4-16 (E)
2. Set the menu as follows, and adjust the H/V ratio by
using the MENU SEL switch.
MENU : Paint
PAGE : Detail 2 (P3)
ITEM : H/V Ratio
Specifications: The ratio between the H and V
detail amounts (white) to be added
shall be 1 : 1.
V
(Monitor Screen)
H
BVP-550