HTC SM-TP001-0704 User Manual Page 71

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REV.
Issued Date 2008/7/2
.
Revised Date 2008/12/01
A10
Doc. Title
Raphael Service Manual
Page 71 of 98
HTC CONFIDENTIAL
SM-TP001-0704
HTC Corporation
IT IS GENERIC COSMETIC INSPECTION CRITERIA FOR ALL PRODUCTS IF THERE HAVE ANY CONFLICT
WITH THESE GENERIC CRITERIONS; PLEASE FOLLOW THE PRODUCT INSPECTION CRITERIA
RESPECTIVELY.
Description
D: Diameter / L: Length / W: Width / N: Number of defects/ S: Distance from dot to dot
Inspecting distance: 30 ± 5cm / Mechanical inspection angle90 degrees /
LCM inspection angle90±15 degrees / Inspection time:5 secs per surface.
Ambient illumination is to be 500-1100 lux
The inspection condition of Newton ring:
a. Inspection distance: 30cm / Inspection time: 5 sec
b. Ambient illumination is to be 500-1000 Lux (Incandescent lamp)
c. Inspection should be performed under the condition that LCD screen could reflect the mirror image of
lamp.
d. The criteria of Newton ring’s tinges and measure of area must follow up the worst-case sample.
6.2 Display inspection
Inspection Defects Accept Level Level
Single
Red+ Green+ Blue 3, S >
5mm.
Minor
2 adjacent 0 Minor
Bright
Dots
3 or more
adjacent
0 Minor
Single
Total Number 2, S >
5mm.
Minor
Dark Dots
2 adjacent 0 Minor
Dark or Bright lines 0 Minor
A
ll Allowable Dots Defects
Total Number 3, S >
5mm.
Minor
Electrical Characteristic
Defects
Shift and tilt of screen
viewed area
The black edge around display area must
be detected by front view.
Minor
Scratch
0.03 < W 0.1 (mm)
L 5 (mm), N 2 (mm)
Minor
Lint (linear foreign
objects)
0.03 < W 0.1 (mm)
0.3 < L 3.0 (mm)
N 5
Minor
Spots 0.1 < D 0.3 (mm), N 4 ≦≦ Minor
Fish eye on film 0.1 < D 0.4 (mm), N ≦≦ 4 Minor
Breakage on film surface Not acceptable Minor
Foreign Scratch,
Objects or Lint
on power off
status
Total acceptable defect quantity 10 Minor
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