Chapter 9 - Inspection Criteria - HTC Amadeus Service Manual

Chapter 9 – Inspection Criteria
9.1 Definition
The inspection criteria HTC defined is for service center repair ONLY. All service centers must follow
below inspection criteria to judge if customer returned unit is exactly "defective" caused by out of HTC's
specification.
9.2 Inspection Area
The inspection area of Smartphone is for
9.3 Criteria
Definition:
D: Diameter; L: Length; W: Width ;N: Number of defects ; S: Distance from dot to dot ;H: Height.
Viewing distance for LCM is, approximately:
Ambient illumination is to be 500~1000lux
Inspection viewing angle range: ¡ Ó 3 0degree Horizontal and ¡ Ó 4 5 degree Vertical:
(1) Defective Dot
Item
1 Defective dot ¡ Ö
0.15¡ Õ Defective dot ¡ Ø
2
Defective dot ¡ Ø
3
Total dot ¡ Ø 6; Distance between dot and dot >5mm
(2) Defective Pixel
Item
1
Bright pixel only
2
Dark pixel only
3
Bright + Dark pixels (total)
4
2 bright pixels connected together
5 2 dark pixels connected together
6 Connected Bright + Dark pixels (total)
7 The distance between two bright pixels If the distance ¡ Ø
8
The distance between two dark pixels
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© 2004, HTC Corporation. All rights reserved.
LCD module
30cm ¡ Ó 5cm
Status
0.25mm
0.25mm
0.15mm
Status
ONLY.
If the Q'ty of defective dot ¡ Ø
If the Q'ty of bright pixel ¡ Ø
If the Q'ty of dark pixel ¡ Ø
If total Q'ty of bright + dark pixel ¡ Ø
If the Q'ty of connected bright pixel ¡ Ø
If the Q'ty of connected dark pixel ¡ Ø
If the Q'ty of connected bright + dark pixels ¡ Ø
5mm,
If the distance ¡ Ø 5mm,
TOTAL 63
Criteria
Fail
6, Pass
Neglect
Criteria
3, Pass
3, Pass
3, Pass
0, Pass
0, Pass
Fail
Fail
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0, Pass