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5-1

INSPECTION

TABLE OF CONTENTS

Page

1. General Description ------------------------------------------------------------------------------------------ 5-2

2. Electrical Characteristics ------------------------------------------------------------------------------------ 5-3

2.1 Power Supply --------------------------------------------------------------------------------------------- 5-3

2.2 LCD Panel ------------------------------------------------------------------------------------------------- 5-4

2.3 85Hz Refresh Rate Support --------------------------------------------------------------------------- 5-4

2.4 White Color Temperature ------------------------------------------------------------------------------- 5-4

2.5 Check Power Manage Function ---------------------------------------------------------------------- 5-5

3. External Inspection on the LCD Module ---------------------------------------------------------------- 5-6

3.1 Inspection Conditions ----------------------------------------------------------------------------------- 5-6

3.2 Electrical Inspection Specification -------------------------------------------------------------------- 5-6

3.3 Polarizer Defects ----------------------------------------------------------------------------------------- 5-9

3.4 Foreign Material ------------------------------------------------------------------------------------------ 5-9

3.5 Line Defect ------------------------------------------------------------------------------------------------- 5-9

3.6 Bezel Appearance --------------------------------------------------------------------------------------- 5-9

4. Safety Test ------------------------------------------------------------------------------------------------------ 5-10

4.1 Input Current Measurements -------------------------------------------------------------------------- 5-10

4.2 Power Source/Earth Connections -------------------------------------------------------------------- 5-10

4.3 Dielectric Strength Test --------------------------------------------------------------------------------- 5-11

4.4 Leakage Current Test ----------------------------------------------------------------------------------- 5-11

4.5 Insulation Resistance Test ----------------------------------------------------------------------------- 5-12

5. PLUG & PLAY Communication Inspection ------------------------------------------------------------- 5-13

5.1 System Connection -------------------------------------------------------------------------------------- 5-10

5.2 Input Signal ------------------------------------------------------------------------------------------------ 5-14

5.3 Programs --------------------------------------------------------------------------------------------------- 5-14

5.4 Operations ------------------------------------------------------------------------------------------------- 5-15

5.4.1 EDID Data Inspection and Writing to the D-SUB Connector (Analog) ----------------- 5-15

5.4.2 EDID Data Inspection and Writing to the DVI-D Connector (Digital) ------------------- 5-18

5.5 EDID Data File -------------------------------------------------------------------------------------------- 5-19

Appendix Reference Signal Timings ---------------------------------------------------------------------- 5-20

NEC MultiSync LCD1970NX User Manual

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