Sony BVP-570, Maintenance Manual

Page: 345 / 806

4-17 (E)
BVP-570
4-12. 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
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) from OFF to
MENU while holding down the MENU SEL switch (on
the front panel). Set the menu as follows.
MENU : Paint
PAGE : Detail 2 (P3)
ITEM : Detail
→
On
PAGE : W.Clip/Knee (P6)
ITEM : Knee
→
Off
Adjustment Procedures:
1. Iris of the lens : A = 90
±
2 IRE (for NTSC)
A = 630
±
14 mV (for PAL)
(Waveform Monitor)
2. Make a selection of line at the center white portion of
the grayscale chart.
3. Set the menu as follows, and adjust the detail frequen-
cy by using the MENU SEL switch.
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.
(Waveform Monitor)
Note:
After this adjustment is completed, be sure to perform “4-
13. H/V Ratio Adjustment” and “4-14. Detail Level
Adjustment”.
4-12. Detail Frequency Adjustment
A
Line Select