BenQ GL2055 Product Service Manual page 23

4.5 Cable crack
4.6 Cable scratch ( wire not exposed ), or dirty
4.7 AC-DC adapter no function
4.8 Signal cable contact pin dirty
5 Interior of the product
5.1 Use Non-QVL ( Qualify vendor list )component
5.2 Wrong parts, broken component, but safe
5.3 Foreign material
Conductive (Has potential to short circuit)
Non-conductive (Moveable)
5.4 Missing hardware, component or screw, stripped screw
5.5 Loose hardware/screw or insufficient torque
5.6 Poor wire routing, which is no concerned on EMI
5.7 Cold soldering/loose connections (Electrical)
5.8 Wires and mechanical structure do not meet UL/CSA or TUV
5.9 Wrong parts, broken component, not safe
5.10 Component burn
3.2.13. OPERATIONAL INSPECTION CRITERIA
1. TEST PATTERN
2. SPECIFICATIONS
3. OPERATIONAL INSPECTION CRITERIA
3.2.13.1. List of test pattern
KEY
A FULL WHITE
E DARK
F FULL W , R , G , B
G 256 COLORS
PATTERN
- 23 -
TEST ITEM
H - Size , V – Size
Viewing Angle
Light Output
Impurity, Spot check
Contrast Ratio
Brightness adjust Range
Background, Spot check
Impurity, Spot check
CIE Coordinate check
Color Check
Major
Major
Minor
Major
Major
Major
Major
Minor
Major
Major
Minor
Major
Critical
Critical
Critical