Caple C702G Manuel de service télécharger pdf (Page 86)

6-6

3-2. Face plate defect

3-2-1. Blisters, opaque spots and elongated closed blisters

Average diameter Allowable number(pcs) Minimum Separation

(mm) #1 Zone A Zone B Total (mm)

0.76

～

000

0.51

～

0.75

011 30

0.26

～

0.50

235

0.11

～

0.25

---

#1: More than 5 detects shall not gather in a

10 circle.

3-2-2. Scratch

Width(mm) Allowable Length(mm)

0.16

～

Rejected

0.11

～

0.15

0.06

～

0.10

～

0.05

Unlimited

3-2-3. Other glass defects

Flaw, crack and lack cannot be distinguish easily by naked eye.

Iron rust conforms to limited sample.

[B] AR-film's surface defect

1. Inspection condition

1) Put a valve on an inspective stand and Illuminate it from the top with white fluorescent light.

2) Valve surface illuminance is less than 1500Lux and more than 1000Lux.

3) Observe from distance of 40cm from surface, disregard flaws which can not be distinguished from

this distance.

2. Division of zone

A screen is divided into following 3 zones.

Zone A: Area inside the rectangle that measures H: 395 mm, V: 295 mm at the center of screen.

Zone B: Area outside zone A and inside the fluorescent surface edge.

Zone C: Area outside the fluorescent surface edge.

zone A

395mm

295mm

fluorescent surface edge

zone B

zone C

1 2 ... 81 82 83 84 85 86 87 88 89 90 91 ... 285 286

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Caple C702G Manuel de service Page 86

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