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4.4 Reliability
4.4.1 IT-10
Table 4.14
Item
Service life
Backlight
Reset switch
Power switch
Battery cover lock switch
Other keys
Serial connector
CF card connector
SD card connector
Mounting/removing the terminal
to/from the Bridge Satellite Cradle
Installing/removing the terminal
to/from the Basic Cradle
Installing/removing the battery cover 3,000 times
Installing/removing the stylus
to/from the silo
Opening/closing the CF card slot
cover
MTBF
Electronics parts
LCD
Charging and discharging cycle of
battery pack
Note:
The number of the cycles is assumed with the conditions below.
•
The remained capacity of battery pack at 300th cycle is approximately 60% of the full capacity.
•
The surrounding temperature is at 23±2 ℃ .
•
The discharge current is 1.1A constant current.
•
The discharge stops at 2.75V.
•
The condition of the charge; 1.1A constant-current, charging for 5 hours with 4.20V constant-voltage
Specification
10,000 hours
At half-life period 10 hours per day x 200 days
per year x 5 years
1,000 times
100,000 times
3,000 times
250,000 times
Excluding the power switch
5,000 times
5,000 times
5,000 times
10,000 times
10,000 times
10,000 times
5,000 times
40,000 hours
Main PCB
30,000 hours
Batteries, switches, LCD module, excluding jacks
100,000 hours
500 times
Applicable to HA-C21BAT (see note.)
35
Remark/Condition
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