Set Inspection; Application; Inspection Conditions; Power Source Voltage - NEC MultiSync LCD2080UX -BKA Service Manual

1. Set Inspection

1.1 Application

The inspection procedures specified in this item should be applied to the inspection of the LCD2080UX unit.

1.2 Inspection Conditions

Unless otherwise specified, inspection should be carried out under the following conditions.

1.2.1 Power Source Voltage

AC voltage: AC 100 - 240V ± 5%, 50/60Hz

1.2.2 Equipment to be Used

Equipment that can generate an output of the adjusted VG-819 unit or equivalent.
The signal timing for the inspection ROM should conform to the table provided in Paragraph 1.2.8 herein.

1.2.3 Inspection Cables/Connections

1) Connections between the unit under inspection and the VG-819 should be made through the DVI
connector and the D-SUB connector of the unit under inspection and the cable that can carry each output
of the VG-819, as specified below.
a) BNC-DSUB (female) connector
b) DSUB (male) - DVI connector (Analog)
c) BNC-DVI connector (Analog)
d) DVI - DVI connector (Digital)
2) For connections to the power supply, an AC cable for LCD2080UX should be used.

1.2.4 Brightness Setting

Unless otherwise specified, inspection should be carried out under the condition that the LCD brightness is
set at the highest level.

1.2.5 Inspection Mode

Each inspection should be carried out in the inspection mode specified in each relevant inspection item.
The detailed setting for each mode should be specified in Paragraph 1.2.8 herein.

1.2.6 OSM Functions

If checking and operation by OSM are specified in each inspection item, display and operation of the OSM
should be carried out by operating the push switches of the unit under inspection, according to the
instructions.
Outline operation is described in Item 1.3, "Operation of OSM control."

1.2.7 Configuration of Inspection Jigs

Signal source
1) A video signal generator should be used, which can generate an output of the VG-819 unit or
equivalent.
2) Graphic board, Model: XPERT LCD (manufactured ATI Technologies Inc.)
3) PC/AT interchange personal computer.
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