Toshiba C3PU35 User Manual page 51

• Take extreme precaution when measuring the power supply voltage at the power
supply terminal of the module during inspection.
There is a danger of electrocution.
• Do not touch the C3 module when the power is on. The heat radiating side covers
become extremely hot (ambient temperature+20
(ambient temperature+10
4.3 Replacement Timing of Major Parts
Listed below are the product life of major components. Periodically replace parts using
this table as reference. Contact your Toshiba service desk for information concerning
the price and ordering method of replacement parts.
Product life of major components
Location of
Parts
Hard disk drive Mechanism Wear
Battery Capacity
(C3 built-in)
PC Card slot Functional
parts
Battery Capacity
(PS791S/PS735)
Aluminum Capacity
electrolytic
capacitor
(PS791S/PS735)
FAN unit Functional
(FA714) parts
Product life of major components
Location of
Parts
wear
Keyboard Mechanism Wear
Mouse Mechanism Wear
CRT Displays
In addition to the main unit, disk drives such as FDD, CD-ROM drive also have a
product life. Check the product life of the peripheral devices being used and replace
them before their product life expires.
6F8C1118
Description
wear
5 years or 20,000
cumulative power on hours
which ever comes first.
Depletion 10 years (Ambient
temperature 35
Wear 10000 insertions/removals —
Depletion 5 years (Ambient
temperature 35
Dry rise 10 years (Ambient
temperature 35
Depletion 10 years
Description
100,000 strokes
100,000 clicks
10,000 cumulative power
on hours
4.3 Replacement Timing of Major Parts
CAUTION
o
C) in 10 minutes when the power is turned off.
Product Life
o
C)
o
C)
o
C)
Product Life
o
C) when power is on. It cools
Replacement
Interval
2 years Replace
10 years Parts
replacement by
overhaul
Parts
replacement by
overhaul
2 years Replace
10 years Parts
replacement by
overhaul
10 years Replace
Replacement
Action
Interval
— Replace
— Replace
— Replace
Action
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