BenQ XL2411T Product Service Manual page 24

3.22 Dirty front bezel and housing removable easily
3.23 Sticker or loose user control switch which will not function correctly
3.24 Missing knob or switch, not safe
3.25 Missing knob or switch, but safe
3.26 Poor functional user controls in mechanical
3.27 Unreadable printing of user controls label
3.28 Rubber foot missing
3.29 LED wrong material or missing
3.30 LED sagged >1.0mm or bulging>0.5mm
3.31 Wrong S/N between spec. label and monitor display
4 AC power and signal cable
4.1 AC power or connector not correct or damaged, not safe
4.2 AC power or connector not correct or damaged, but safe
4.3 Signal cable contact pin dirty
4.4 Signal cable plug dirty or surface damaged, but safe
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
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