4
Fig-1 adjustment flow-chart
4. Adjustment instruction
4.1 Unit adjustments
4.1.1Connect all the boards according to wiring diagram, then power on and observe the display.
4.1.2 Method for entering factory menu:
a) Press “SOURCE”, “2”, “5”, ”8” and “0” in turn to enter factory menu;
b) Press “CH+” and “CH-” to move the cursor to the adjustment page of the level one factory menu,
then press ”OK” to enter;
c) Press “CH+” and “CH-” to move the cursor up and down;
d) Press “VOL-” and “VOL+” to adjust the item when the cursor move to a certain adjust item;
e) Press “MENU” to exit to the previous factory menu;
f) Press “EXIT” to exit the factory menu at any situation;
g) Press “OK” to enter the sub factory menu;
h) ADC ADJUST, ADC correction of VGA, Component channel;
Input AV/SVIDEO/SCART signal and check the function
Preset ex-factory
Input HD signal and check the function of YPbPr
Input VGA signal and check if the display is normal, chec
the function (analog control), horizontal/vertical center, etc.
Check the accessories and packing
Input HDMI signal and check if the display is normal, check
the function (analog control), horizontal/vertical center, etc.
Check if DDC, HDCP KEY, FLASH are written
Connect to the center signal source and check each function
of TV (station leaking, analog control, etc.) check the output
of earphone and speaker.
Combined test for general assembly
White balance adjustment
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