Service Manual

HTC confidential
© 2004, HTC CORPORATION. ALL RIGHTS RESERVED. TOTAL 59 CONT.ON. 47 PAGE NO. 46
7.3 Criteria Table
¾ Main unit inspection:
Description Accept criteria
Class A
Exposure of substratum is not acceptable
Scratch : L 3mm ,W 0.2mm ,N 2≦≦ ≦
Class B & C
Exposure of substratum is not acceptable
Scratch : L 7mm ,W 0.25mm ,N 3≦≦ ≦
Unconscious scratch on IR window is ignorable.
IR window conscious scratch: L 3mm,W 0.2mm,N 3≦≦ ≦
Bright mark area should be less than 1 mm x 10 mm
Class D
Label area could be ignorable.
Exposure of substratum is not acceptable.
Scratch : L 10mm ,W 0.4mm ,N 5≦≦≦
¾ LCM inspection:
- Electrical characteristic inspection standard
Symptom Standard Distance between defect dots
Single Red+ Green+ Blue ≦3S5 mm≧
2 adjacent N=0
Bright Dots
3 or more adjacent N=0
Single Total Number ≦ 2 S 5 mm≧
Dark Dots
2 adjacent N=0
Dark or Bright lines N=0
All Allowable Dots Defects Total Number ≦ 3 S 5 mm≧
* The total of LCM defect number must be less than 4 counts.
- Cosmetic/ Visual defect inspection standard
Definition of Dent, bubble and Spot Definition of Scratch, Lint and Hair