Compaq ZE4200 Laptop User Manual


 
Table 5-1. LCD Guidelines
Type of Imperfection Imperfections Not Allowed
Electrical Imperfections:
Bright dots
(a)
Dark dots
(a)
Mechanical Imperfections:
Discoloration
Polarizer bubbles, dents
(b)
Definitions of imperfections:
a
Bright or dark dot: a subpixel (red, green, or blue dot) that is stuck on or off.
b
Polarizer dent or bubble: a light spot with a darker border that appears on a lighted display and does not
change size. (In contrast, a polarizer scratch is a light line that is visible on a darker background and does
not change size.)
7 or more single bright dots.
7 or more single dark dots.
9 or more total (bright and dark combined) defective dots.
Any occurrence of multiple defective dots within 15 mm.
Any polarizer bubble, discoloration, or dent that is visible from at least
36 cm (14 in).
Service Manual Reference Information 5-3