1 Hardware Overview
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Satellite L550 Maintenance Manual
1-14
1.5
Batteries
The computer has the following two types of batteries:
Main Battery Pack
Real Time Clock (RTC) Battery
1.5.1
Main Battery
The main battery pack serves as the computer's main power source when the AC adapter is not
attached. The main battery maintains the state of the computer when the AC adapter is detached.
1.5.2
Battery Charging Control
Battery charging is controlled by EC KB926. When the AC adapter and battery pack are attached
to the computer, the EC KB926 controls the charge on/off state and detects a full charge.
Battery Charge
When the AC adapter is attached, the battery is charged by off-state charge when the system
is powered off or by on-state charge when it is powered on.
Table 1-3
Quick/Normal Charging Time
State
Charge Time
Off-State Charge
3/6/12 Cell
About 4 hours max
On-State Charge
3/6/12 Cell
About 12 hours max
Summary of Contents for Satellite L550 series
Page 1: ...Toshiba Personal Computer Satellite Maintenance Manual TOSHIBA CORPORATION ...
Page 13: ...Chapter 1 Hardware Overview ...
Page 16: ......
Page 32: ...Chapter 2 Troubleshooting Procedures 2 ...
Page 33: ......
Page 100: ...3 Tests and Diagnostics Satellite L550 ProL550 Series Maintenance Manual Series T D 13 ...
Page 122: ...Chapter 4 Replacement Procedures ...
Page 223: ...SatelliteL550 ProL550 Series Maintenance Manual E 2 3 Thai TI Keyboard 4 Korean KO Keyboard ...
Page 225: ...SatelliteL550 ProL550 Series Maintenance Manual E 4 7 Hebrew HB Keyboard ...
Page 226: ...SatelliteL550 ProL550 Series Maintenance Manual E 5 8 Danish DM Keyboard 9 Swiss SW Keyboard ...
Page 237: ...SatelliteL550 ProL550 Series Maintenance Manual E 16 30 Japanese JP Keyboard ...