BenQ 9H.L6RLA.T8X, Service Manual

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5.2 Panel Inspection Specification
1 Scope:
1.1 The incoming inspection standards shall be applied to TFT-LCD Modules (hereinafter called "Modules") that
supplied by AU Optronics Corporation (hereinafter called "seller").
1.2 Specifications contains
_ Electrical inspection specification
_ Appearance specification
_ Outside dimension specification
2 Incoming inspections:
The buyer (customer) shall inspect the modules within twenty calendar days of the delivery date (the "inspection
period”) at its own cost. The results of the inspection (acceptance or rejection) shall be recorded in writing, and a
copy of this writing will be promptly sent to the seller.
The buyer may, under commercially reasonable reject procedures, reject an entire lot in the delivery involved if,
within the inspection period, such samples of modules within such lot show an unacceptable number of defects in
accordance with this incoming inspection standards, provided however that the buyer must notify the seller in writing
of any such rejection promptly, and not later than within three business days of the end of the inspection period.
Should the buyer fail to notify the seller within the inspection period, the buyer's right to reject the modules shall be
lapsed and the modules shall be deemed to have been accepted by the buyer.
3 Inspection sampling method:
Unless otherwise agree in writing, the method of incoming inspection shall be based on MIL-STD-105E.
3.1 Lot size: Quantity per shipment lot per model.
3.2 Sampling type: Normal inspection, single sampling.
3.3 Sampling level: Level II.
3.4 Acceptable quality level (AQL):
Major defect: AQL=1.0%
Minor defect: AQL=2.5%
4 Inspection instruments:
4.1 Pattern generator: LD-2000 or equivalent model.
4.2 Video board: AUO video board or equivalent. The output of the signal should comply with the specification
provided by AUO.
4.3 Luminance colorimeter: Topcon BM-7 or equivalent model.
5 Inspection environment conditions:
5.1 Room temperature: 20 ~ 25
℃
.
5.2 Humidity: 65±5% RH.
5.3 Illumination: Fluorescent light (Day-Light Type) display surface illumination to be 300 ~ 700 Lux. (standard
500Lux.)
5.4 To be a distance about 35±5 cm in front of LCD unit, viewing line should be perpendicular to the surface of the
module judge the visual appearance with human’s eyes (±30° viewing edge will be allowed).
5.5 Take off the protector of polarizer while judging the display area.
5.6 If there is any question while judging, check the panel again while operating.
6 Classification of defects:
Defects are classified as major defects and minor defects according to the degree of defectiveness defined herein.