Inspection; Table Of Contens - NEC MultiSync LCD1550ME Service Manual

INSPECTION

TABLE OF CONTENS

1. Set Inspection----------------------------------------------------------------------------------------------------- 5-2
1.1.1. Application ----------------------------------------------------------------------------------------------------------- 5-2
1.2. Inspection conditions --------------------------------------------------------------------------------------------- 5-2
1.2.1. Power source voltage --------------------------------------------------------------------------------------------- 5-2
1.2.2. Equipment to be used--------------------------------------------------------------------------------------------- 5-2
1.2.3. Inspection cables/connections ---------------------------------------------------------------------------------- 5-2
1.2.4. Brightness setting -------------------------------------------------------------------------------------------------- 5-2
1.2.5. Inspection mode ---------------------------------------------------------------------------------------------------- 5-2
1.2.6. OSM functions ------------------------------------------------------------------------------------------------------ 5-2
1.2.7. Configuration of inspection jigs --------------------------------------------------------------------------------- 5-2
1.2.8. Inspection mode setting ------------------------------------------------------------------------------------------ 5-3
1.3. OSM control operation ------------------------------------------------------------------------------------------5-12
1.3.1. Switch functions ---------------------------------------------------------------------------------------------------5-12
1.3.2. Basic operational procedures ----------------------------------------------------------------------------------5-12
1.4. Power ON ----------------------------------------------------------------------------------------------------------5-13
1.5. Inspection ----------------------------------------------------------------------------------------------------------5-13
1.5.1. Inspection on LCD brightness and contrast ----------------------------------------------------------------5-13
1.5.2. Inspection on automatic adjustment function---------------------------------------------------------------5-14
1.5.3. Inspection on input signal identification----------------------------------------------------------------------5-15
1.5.4. Inspection on Audio function -----------------------------------------------------------------------------------5-16
1.6. Setting before shipment-----------------------------------------------------------------------------------------5-17
1.7. Safety test ----------------------------------------------------------------------------------------------------------5-17
1.7.1. Input current measurements -----------------------------------------------------------------------------------5-17
1.7.2. Power source/earth connections ------------------------------------------------------------------------------5-18
1.7.3. Dielectric strength test -------------------------------------------------------------------------------------------5-18
1.7.4. Leakage current test----------------------------------------------------------------------------------------------5-19
1.7.5. Insulation resistance test ----------------------------------------------------------------------------------------5-19
2. External inspection on the LCD module --------------------------------------------------------------------5-20
2.1. External inspection of the display surface ------------------------------------------------------------------5-20
2.1.1. Inspection items ---------------------------------------------------------------------------------------------------5-20
2.1.2. Inspection standards ---------------------------------------------------------------------------------------------5-20
3. Inspection of PLUG & PLAY communication and OSM "MONITOR INFORMATION" for
model name/ serial number ------------------------------------------------------------------------------------5-22
3.1. A construction of System ---------------------------------------------------------------------------------------5-22
3.2. Input Signal --------------------------------------------------------------------------------------------------------5-22
3.3. Operational procedures -----------------------------------------------------------------------------------------5-23
3.4. EDID data file------------------------------------------------------------------------------------------------------5-24
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