JVC GY-HD100E Service Manual page 72

Measuring
No. Item instruments &
Input signals
SUB BRIGHT Oscilloscope
4
adjustment
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Vectorscope
Measuring point (*)
Mode Adjustment parts (-)
Adjustment level (+)
* LCD display
+ Y level
Should be 200 mV ~
400 mV.
*LCD display
ADJUST MENU
- JOG dial
+ Position the noise
on the B-YL axis at
the center of the
vectorscope.
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*LCD display
- JOG dial
+ Position the noise
on the R-CY axis at
the center of the
vectorscope.
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*LCD display
- JOG dial
+ Position the noise at
the center of the
vectorscope.
Adjustment procedure
(1) Shoot the LCD Screen using other cameras.
(2) Check the camera output taken from the LCD
Screen using a oscilloscope.
(3) Check that the minimum level is above 200
mV and the maximum level is above 400 mV.
(4) Press the USER 1/2 button to select ADJUST
MENU No. 70 "SUB BRIGHT (B)".
(5) Rotate the JOG dial to the specified value.
(6) Press the JOG dial to store the adjustment
data.
(7) Press the USER 1/2 button to select ADJUST
MENU No. 71 "SUB BRIGHT (R)".
(8) Rotate the JOG dial to the specified value.
(9) Press the JOG dial to store the adjustment
data.
(10) Repeat the adjustment from (4) to (9) above,
adjust such that the right and left sides of the
vectorscope become equal.
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