Sony BVP-500, Maintenance Manual

Page: 100 / 122

5-26
BVP-500
BVP-500P
Resetting after Adjustment:
• TEST 1 button/MSU operation panel
→
OFF (Goes out)
• MASTER GAIN button/MSU operation panel
→
0 dB
File Store:
1. Set the DISPLAY switch/rear panel to MENU while
pushing up the MENU SELECT switch to ENTER.
2. Execute the file store. Throw the MENU SELECT
switch to ENTER to execute.
MENU : Reference File
PAGE : Reference File (R1)
ITEM : File Store
Note:
The values used in the above adjustments are under the
conditions that the white clip level is set to 109 IRE (for
NTSC) or 763 mV (for PAL).
When the white clip level is set to other value than 109
IRE or 763 mV, use the following table to set the levels of
the knee point and knee slope.
White Clip Level (Unit: IRE/mV)
109/763 107/749 105/735 103/721
Knee point 98/686 98/686 96/672 96/672
Knee slope 109/763 109/763 107/750 107/750
White clip 109/763 107/749 105/735 103/721
• As for the detail adjustments, refer to Section 4, 4-10 to
4-18. Adjust according to the customer’s preferences.
5-20. A/D CLOCK PHASE Adjustment
Equipment : Waveform monitor
Test Point : MONITOR connector
Object
: Multiburst chart
Preparations:
• Connect the waveform monitor to the MONITOR
connector.
• Shoot the multiburst chart so that the chart frame is
aligned with the underscaned monitor frame with the
zoom control.
Pan so that the 9 MHz portion of the multiburst chart is
positioned at the center of the monitor screen.
• AUTO KNEE button/MSU operation panel
→
ON (Lights)
• S650 (MONITOR SELECT)/IF-538 panel
→
VBS
Adjustment Procedures:
1. Iris of the lens : A = 90
±
2 IRE (for NTSC)
A = 630
±
10 mV (for PAL)
(Waveform Monitor)
2. Set the DISPLAY switch/rear panel to MENU while
pushing up the MENU SELECT switch to ENTER.
3. Set the menu as follows and adjust the G clock phase
using the MENU SELECT knob/switch.
Adjustment Point :
MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : G Clock
Specifications : Maximize the 9 MHz signal
portion.
4. Adjust the R and B clock phases.
Adjustment Point :
MENU : System config
PAGE : PR/VA/TEST (S3)
ITEM : R/B Clock
Specifications : Minimize the aliasing around
9MHz signal portion.
5-19. Knee and White Clip Adjustment
5-20. A/D CLOCK PHASE Adjustment