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2-2-8. H Blanking Trailing-edge Phase
Adjustment
Equipment : Oscilloscope
Preparations:
. Install the CN-1672 board to the PR-242 board even if
the 16:9/4:3 switchable OHB is used.
. Extend the DA-88 board with the EX-464 board.
Iris of the lens : CLOSE
Adjustment Procedures:
1. Set the DISP switch (on the side panel) from OFF to
MENU while holding down the MENU SEL switch
(on the front panel).
2. Set the menu as follows.
MENU
: Paint
PAGE
: Video Level (P1)
: Black [G] → +99
ITEM
3. Adjustment Point : 1RV1/DA-88 board
Test Point
: TP3 (Y)/DA-88 board
: TP5 (B-Y)/DA-88 board
Specifications
: Adjust the trailing-edge phase
Resetting after Adjustment:
Set the menu as follows.
MENU
: Paint
PAGE
: Video Level (P1)
ITEM
: Clear
BKP-5090
"A" of H blanking as shown
below:
A = 400 ± 100 nS (NTSC)
A = 1100 ± 100 nS (PAL)
TP3 (Y)
TP5 (B-Y)
A
2-2. Adjustments on BVP-550/550P
2-2-8. H Blanking Trailing-edge Phase Adjustment
2-11 (E)
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