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4-7. Overall Video Adjustment
4-7-9. H/V Ratio Adjustment
Equipment: Analog waveform monitor, B/W monitor
Test Points: G/Y OUT (pin 4), G/Y GND (pin 3)
/VTR connector (camera adaptor)
Object:
Grayscale chart
Preparations
. Setting for MSU-700
DETAIL OFF button → ON (dark)
KNEE OFF button → OFF (lit)
. Extend the IE-44 board.
. Connect the waveform monitor to the VTR connector of
the camera adaptor.
. Shoot the grayscale chart so that the chart frame is
aligned with the underscanned monitor frame.
. Iris of the lens: A = 600 ± 20 mV (terminated with 75 Z)
Adjustment Procedures
1. MSU menu operation:
. PAINT button → ON (lit)
. Touch panel operation
(Page 1/3) → [Detail] → [Detail|1]
. Set each item as follows.
Level → 99
Limiter → 0
Crispening → _25
Level Dep → 25
2. MSU menu operation:
. Touch panel operation
[Detail|2]
Adjustment Item: H/V Ratio
Specification:
A ratio between H and D detail
amounts (white) to be added shall
be equal. (from 20 to 40)
4-20 (E)
3. MSU menu operation:
. Touch panel operation
. Set Frequency to 99.
4. Adjustment Point: 1LV401/IE-44
Specification:
Resetting after Adjustment
MSU menu operation:
. Touch panel operation
[Detail|2]
Set Frequency to 0.
A
[Detail|2]
The edge width at each end of the
center white portion shall be equal.
5
4
3
A
RV403
RV402
LV401
B
RV406
RV404
C
RV407
RV408
D
RV409
E
RV102
RV101
F
RV202
RV201
RV302
G
RV301
E1
IE-44 BOARD (A SIDE)
2
1
CN1
HDC-750A
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