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2-3. Adjustments on BVP-500/500P
2-3-7. Pre Knee Adjustment
2-3-7. Pre Knee Adjustment
Equipment : Oscilloscope, Waveform monitor
Preparations:
. Extend the VA-163 board with the EX-464 extension
board.
. S650 (MONITOR SELECT)/IF-538 panel → VBS
. KNEE OFF button/MSU operation panel → ON (Goes out)
. MASTER GAIN button/MSU operation panel → 0 dB
. TEST 2 button/MSU operation panel → ON (Lights)
Iris of the lens
: CLOSE
Adjustment Procedures:
1. Adjust the auto white balance.
WHITE button/MSU operation panel → ON (Lights)
2. Set the DISPLAY switch/rear panel from OFF to
MENU while pushing up the MENU SELECT switch
to ENTER
3. MASTER GAIN button/MSU operation panel → 9 dB
4. Adjust the Preknee1 for G. Proceed as follows.
Test Point
: TP52 (GND:GND(A))/extension
board (extending VA-163)
Adjustment Point:
MENU
: System config
PAGE
: PreKnee/Zebra (S4)
ITEM
: PreKnee1[G]
: A = 1.80 ± 0.01 V p-p
Specification
A
(Oscilloscope)
2-18 (E)
5. TEST 1 button/MSU operation panel → ON (Lights)
MASTER GAIN button/MSU operation panel → 18 dB
6. Set the menu as follows.
MENU
: Paint
PAGE
: W.Clip/Knee (P6)
: Auto Knee → On
ITEM
: mode → nor
ITEM
7. Adjust the Preknee1 for R. Proceed as follows.
Test Point
: MONITOR connector
Adjustment Point:
MENU
: System config
PAGE
: PreKnee/Zebra (S4)
ITEM
: PreKnee1[R]
Specification
: Minimize the carrier leakage B.
8. Adjust the Preknee1 for B. Proceed as follows.
Test Point
: MONITOR connector
Adjustment Point:
MENU
: System config
PAGE
: PreKnee/Zebra (S4)
ITEM
: PreKnee1[B]
Specification
: Minimize the carrier leakage B.
B
(Waveform monitor)
File Store:
Execute the file store. Throw the MENU SELECT switch
to ENTER twice to execute.
MENU
: Trimming File
PAGE
: Trimming File (T1)
ITEM
: File Store
Resetting after Adjustment:
. MASTER GAIN button/MSU operation panel → 0 dB
. TEST 1 button/MSU operation panel → OFF (Goes out)
. Set the menu as follows.
MENU
: Paint
PAGE
: W.Clip/Knee (P6)
: Auto Knee → Off
ITEM
BKP-5090
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