25
DDX5022/5022Y/5032/5032M/512/52RY
DNX5120/512EX/5220/5220BT
ADJUSTMENT
1. Flicker adjustment
●
Condition
Video source: Video
Video: Luster white 30%~50%
BRIGHT:
MAX
MODE:
FULL
●
Adjustment procedure
q
Display luster white 30%~50%.
w
Place a
fl
icker adjustment jig to the monitor and observe
the waveform with an oscilloscope.
e
Turn X35-489: VR200 and adjust to make the amplitude
of the waveform to minimum.
Oscilloscope range: 20mV, 0.5mS
●
Note
q
In checking the screen after the adjustment, move the
monitor up and down in order to con
fi
rm that the screen
does not
fl
icker. (This check is also carried out on the 07
model.)
w
Noise due to AC200V can be observed in the
fl
icker ad-
justment jig and oscilloscope and thus carefully set up
the power supply and GND of the jig and oscilloscope.
∗
In 07 model, GND of the measurement equipment has
been
fl
oated.
2. VCOM Amplitude and AGC and WB Au-
tomatic adjustments
●
Adjustment conditions
Input signal: Input white 100% (NTSC) in R-CAM.
●
Adjustment Method
q
Press Auto Adjust on the Test Mode Main screen.
w
After the automatic adjustment, “Auto Set OK” will be
shown to indicate the completion of the adjustment.
3. Adjustment of Horizontal display start
position and pixel
●
Video displayed on Adjustment screen
GRAPHIC :
Special screen used only for adjustment (See
below)
DNX_NAVI : Special screen used only for adjustment of
GARMIN (See below)
DDX_NAVI : Input KNA-G520.
●
GRAPHIC
Pixel Adjustment key (DOT_PHASE): Adjustment of horizon-
tal display position of pixel (Default: 32)
Screen Position Adjustment key (HPOSI): Adjustment of
horizontal display starting position of the entire screen (De-
fault: 0)
Display Range Adjustment key (DOT_FREQ): Adjustment of
horizontal display range of the video (Default: 64)
