dynabook E10-S, Maintenance Manual

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2.3 Power Supply 2 Troubleshooting
Satellite Pro E10-S / dynabook E10-S Maintenance Manual 2-7
Procedure 2: Connection Check
Power is supplied to the system board as illustrated below:
Follow the steps below to check whether each connector has been connected correctly:
Check 1 Make sure the AC adaptor and AC power cord have been firmly plugged into
the DC IN socket and wall outlet, respectively. When they have been
connected correctly, perform Check 2.
Check 2 Connect a new AC adaptor and AC power cord.
Check 3 About the DC IN/Battery Charge LED on System board: Make sure the AC
adapter cord is properly attached to your computer. If the LED does not light
when the AC adapter cord is properly installed, go to Procedure 3.
Check 4 About the I/O board Power LED: Make sure the System board and IO board are
firmly connected with the FFC cable. If the LED does not light even if the M/B
and IO board are properly connected with the FFC cable, go to Procedure 4.
Procedure 3 Replacement Check
The system board may be defective. Disassemble the computer and replace the system
board with a new one according to Chapter 4.
Procedure 4 Replacement Check
The IO board or FFC cable may be defective. Disassemble the computer and replace the IO
board or FFC cable with a new one according to Chapter 4.
AC
adapter
System boar
IO
board
AC power cord AC adapter cord
Battery pack