Sony BVP-500, Maintenance Manual

Page: 68 / 122

4-16
BVP-500
BVP-500P
4-12. Detail Frequency 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.
• Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
• S650 (MONITOR SELECT)/IF-538 panel
→
VBS
• KNEE OFF button/MSU operation panel
→
OFF (Lights)
• DETAIL OFF button/MSU operation panel
→
ON (Goes out)
Adjustment Procedures:
1.
Iris of the lens:
A = 90
±
2 IRE (for NTSC)
A = 630
±
14 mV (for PAL)
(Waveform Monitor)
2. Adjust the auto white balance.
WHITE button/MSU operation panel
→
ON (Lights)
3. Make a selection of line at the center white portion of
the grayscale chart.
4.
MSU menu operation:
• PAINT button
→
ON (Lights)
• Touch panel operation
(Page 1/3)
→
Detail
→
Detail2
Adjustment item
: Frequency
Specifications
: Adjust the edge width at each
end of the center white portion
for the desired width.
(Waveform Monitor)
Note:
• After adjustment is complete, be sure to perform “4-13.
H/V Ratio Adjustment” and “4-14. Detail Level Adjust-
ment.
4-12. Detail Frequency Adjustment
Line Select
(Waveform Monitor)