JVC GY-DV500U - ADVANCED PROCESS Screen; SKIN COLOR ADJUST Screen

3-8
No. Item
Measuring
instruments &
Input signals
Mode
Measuring point (*)
Adjustment parts (-)
Adjustment level (+)
Adjustment procedure
3-7
2
AGC IN
BLACK
adjustment
• Oscilloscope
(V-rate, 10:1)
or WFM
• Lens capped
or iris closed.
• Vectorscope
Adjustment
menu 3/6
GAIN SW H
(+18 dB)
* TEST OUT
(75 Ø terminated)
- SHUTTER/MENU
dial
+ Minimize V shading.
(1) Rotate the SHUTTER/MENU dial to select
MENU 3/6: AGC IN BLACK <G>.
(2) Push the SHUTTER/MENU dial so that the ad-
justment value blinks then rotate it to adjust to
the specified level.
(3) Push the SHUTTER/MENU dial to store the
adjustment data in memory.
AGC I N BLACK<G> : O
AGC I N BLACK<B> :O
AGC I N BLACK<R> : O
DSP data
<Bch> <Gch> <Rch>
000
C– AMERA ADJUST MENU– 3 / 6
+ Minimize V shading.
(4) Rotate the SHUTTER/MENU dial to select
MENU 3/6: AGC IN BLACK <B>.
(5) Push the SHUTTER/MENU dial so that the ad-
justment value blinks then rotate it to adjust to
the specified level.
(6) Push the SHUTTER/MENU dial to store the
adjustment data in memory.
+ Minimize V shading.
(7) Rotate the SHUTTER/MENU dial to select
MENU 3/6: AGC IN BLACK <R>.
(8) Push the SHUTTER/MENU dial so that the ad-
justment value blinks then rotate it to adjust to
the specified level.
(9) Push the SHUTTER/MENU dial to store the
adjustment data in memory.
(10) Check that the noise display on the
vectorscope is close to a true circle.
If the circle is distorted, repeat (1) to (9) until it
approaches a true circle.
(11) Set the GAIN SW to L (0dB).
AGC I N BLACK<G> : O
AGC I N BLACK<B> :O
AGC I N BLACK<R> : O
DSP data
<Bch> <Gch> <Rch>
000
C– AMERA ADJUST MENU– 3 / 6
AGC I N BLACK<G> : O
AGC I N BLACK<B> :O
AGC I N BLACK<R> : O
DSP data
<Bch> <Gch> <Rch>
000
C– AMERA ADJUST MENU– 3 / 6
NG
GOOD
NG
Ensure that noise display is almost completely circular.
NG GOOD