STANDARD
PRODUCT
DOC.
SPEC.
MODULE
NO.
PAGE
19
9 SMT organ 2Я
Trying to keep dot of soldering tin orbicular
Damage
ЯbreakЯwrong assembly and unseal are unreceivable for
deflexion of component≤
1/3width of component
component.
2.50
10 Steel Frame 2Я
If there is one nick which can not lead to cast or hole of painting, we
allow that following:
Break and distortion are unreceivable for frame.
Length
5mm;Width0.3mm ≤
2.50
17-2 Inspection items and specification for display defectěpower onè
1
Electrical
Defect
Segment missing Not allow
Segment short Not allow
Non-display Not allow
1.0
2 Pin hole
1ЯPin hole
width Acceptable of defect
Wɡ0.4 D≤0.2 & D≤1/2W
W≥0.4 D≤0.25 & D≤1/3W
2.50
3
Display
pattern
W: Design dimension CЯD: discrepant dimension
G=|E-F|
Width Acceptable of defect
Wɡ0.4 CЯDЯG≤1/2W
W≥0.4 CЯDЯG≤0.2
1.0
4
Black/white
dot
X: long diameter
Y: shot diameter
D: average diameter
D=(X+Y)/2
Acceptable QTY
D
A/B Area C Area
Dɡ0.1 No check
0.1≤Dɡ0.2 2 No check
0.2≤D≤0.25 1
D>0.25 0
2.50
* D=(A+B)/2
D≤0.1 acceptable
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