4-4
3.3 Initial Power On
1) Make connections according to the mode intended for VG-819 cable setting.
2) Turn on the POWER switch of the VG-819 unit.
3) Connect an AC power cable to the unit under inspection.
4) Confirm that the vacation switch (seesaw switch) at the right side of the unit being inspected has been
moved to the “I” side, and turn the POWER switch ON at the right side of the front.
5) The LED of the unit under inspection is amber. (In the middle of signal discrimination)
6) After the completion of signal discrimination, the LED is green.
3.4 Input Signals
Refer to Paragraph 3.6.1 for each adjustment item.
3.5 POWER ON and Signal Input
1) Turn on the vacation switch located on the side of the main unit (the power supply for the signal
generator turned off) and turn on the power circuit by pressing the POWER key on the front panel.
Confirm in this case that the LED is amber.
When the maintenance PWB is exchanged and the power supply is turned on for the first time:
•
Since the initialization is carried out, the power supply must not be turned off for about 10 seconds.
2) Using the INPUT 1/2 key, apply an input to the specified port.
Each time the INPUT 1/2 key is pressed, the INPUT 1/2 is reciprocally exchanged. It is then possible to
check the input port that has been selected with the OSM displayed when this switch is pressed.
3) Turn on the power supply of the signal generator and enter an input of Signal 1. Confirm that the LED is
turned from amber to green.
* If this LED is not green at that time, it is regarded as a defective LED.
4) Prior to adjustments, execute the factory reset procedure without fail. The method of this action is
described below.
a) Display the SERVICE menu and adjust the cursor to the item of SERVICE PRESET in Tab2.
b) Press the (+)UP and (-)DOWN keys to execute the factory reset procedure.
Summary of Contents for LCD2080UX - MultiSync - 20.1" LCD Monitor
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