27
DDX7015/7025/7035
DDX7045/7065
●
Video Adjustment (X35-433)
Step
Items
Condition
Adjustment / Inspection method
1
Flicker
Composite
Boot the unit in the Flicker Adjustment mode.
SYNC
Set the range of oscilloscope to 5mV or less and adjust VR203 so that amplitude of
Gray PASTE
waveform (flicker) will be the smallest.
(White 30~50%)
2
Touch coordinate
Press the [TOUCH] key in he Test Mode Main screen. Then, starting from the upper left
andin the order of upper right and lower left, conduct adjustment.
Confirm on the “Write OK!” display, and press [Return].
Press on the [Hposi] key on the Test Mode Main screen.
Use the Graphic1 so that graphic is centered. Adjust with [<<] and [>>] keys.
Next, using the Graphic2, with TC1, [<<] and [>>] keys, adjust so that right and left will be
equal. Then, press on the [NEXT], and adjust on DVD, TV, VIDEO and NAVI one by one
with [<<] and [>>] keys.
Finally, confirm on the “Hposi OK” display, and press [Return].
Note :
• When adjusting Graphic1, from TV-SG, input monoscope (NTSC) and adjust.
• When adjusting TV Screen, connect the TV tuner below.
• When adjusting NAVI Screen, use DVZ-2200 and adjust with 2-screen display frame.
No.
Adjustment Item Test Mode
Adjustment Method
Adjustment Value
Condition
3-K
R sub-contrast
CH : 14
Monitor the TP (CN850 58pin and 59pin) waveform, using an
0.1V
±
0.05V
Input signal
oscilloscope.
: 10 step (NTSC)
It is adjusted so that 58pin signal level higher 0.1V than 59pin
1Vpp V/S ratio
signal (for 9 step signal).
: 7 : 3 (75
Ω
at
3-L
B sub-contrast
CH : 15
Monitor the TP (CN850 60pin and 59pin) waveform, using an
0.1V
±
0.05V
terminal)
oscilloscope.
X34 AVIN input
It is adjusted so that 60pin signal level higher 0.1V than 59pin
Oscilloscope range
signal (for 9 step signal).
: 500mV/DIV AC
3-M
VCOM amplitude
CH : 1
Monitor the TP (CN850 39pin) waveform, using an oscilloscope.
2.25Vpp
±
0.05V
Adjust the amplitude value so that VCOM square wave.
After adjusting 3-A~3-M and confirming them, press DIRECT key.
At this point, all data is written to the E2PROM. (Refer to Remote Controller Operating Method 6.)
ADJUSTMENT
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