Toshiba Satellite U500 Maintenance Manual page 153
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Also See for Satellite U500:
- User manual (224 pages) ,
- Manual del usuario (253 pages) ,
- Resource manual (64 pages)
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Color of Screw Shaft
To avoid mistakes on the screw length, screw shafts are colored as follows:
Even number length screw:
Odd number length screw:
Special length screw:
or more decimal places such as 2.5 mm or 2.8 mm.)
Marking of Screws on the Computer Body
To make maintenance of the computer easier, markings of the kinds of the screws including
the types and lengths of the screws are indicated on the computer body.
Kind of screws
BIND screw
FLAT HEAD screw
SUPER THIN HEAD screw
TAPPING screw
Other screws
(Unique screws, STUD, etc.)
Examples:
6 mm BIND screw
12 mm BIND screw
4 mm FLAT HEAD screw
(Indicates the screwed length in round number regardless the length of the stud.)
Satellite/Satellite Pro U500/U500D, PORTEGE M900/M900D
4 Replacement Procedures
brown
white
blue (Screws whose lengths are indicated to one
Symbol
B
F
S
T
U
B6
B12
F4
Maintenance Manual 4-11
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