NEC LCD1501-BK Service Manual page 35

Inspection
TABLE OF CONTENTS
1. Electrical inspection ............................................................................................................. 5-2
1.1 Electrical performance ....................................................................................................... 5-2
1.2 Frequency change ............................................................................................................. 5-2
1.3 Performance check ............................................................................................................ 5-2
1.4 Check power manage function .......................................................................................... 5-2
2. Safety ................................................................................................................................... 5-3
2.1 Insulation resistance .......................................................................................................... 5-3
2.2 Dielectric strength .............................................................................................................. 5-3
2.3 Leakage current ................................................................................................................. 5-3
2.4 Ground continuity ............................................................................................................... 5-3
3. Preset timing sheet .............................................................................................................. 5-3
4. Inspection of PLUG & PLAY communication and OSM "MONITOR INFORMATION"
for model name/ serial number ............................................................................................ 5-4
4.1 System connection ............................................................................................................. 5-4
4.2 Input signal ......................................................................................................................... 5-4
4.3 Program ............................................................................................................................. 5-4
4.4 Operation ........................................................................................................................... 5-5
4.5 EDID data file ..................................................................................................................... 5-8
5. External inspection on the LCD module .............................................................................. 5-9
5.1 Inspection condition ........................................................................................................... 5-9
5.2 Standards for display conditions ........................................................................................ 5-9
5.3 The inspection standard of appearance .......................................................................... 5-12
5.3.1 Polarizer defects ........................................................................................................... 5-12
5.3.2 Foreign material ............................................................................................................ 5-12
5.3.3 Line defect .................................................................................................................... 5-12
5.3.4 Bezel appearance ......................................................................................................... 5-12
5-1
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