dynabook E10-S, Maintenance Manual

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2 Troubleshooting 2.14 Micro SD card Port
2-20 Maintenance Satellite Pro E10-S / dynabook E10-S
2.14 Micro SD card Port
IO Board or System Board may be the reason of Micro SD fault. Either of these two
components may be damaged. To determine if the computer’s IO Board is functioning
properly, perform following procedures. Start with Procedure 1 and continue with the other
procedure as instruction below.
Procedure 1: Test Program Check
Procedure 2: Connector Check and Replacement Check
Procedure 1: Test Program Check
Run the test program stored on the maintenance test program disk for test items. See
Chapter 3 for details on how to use the test program.
If an error is detected during the test, go to Procedure 2.
Procedure 2: Connector Check and Replacement Check
IO Board is connected to System Board through FFC Cable. If SD Card malfunctions, there
may be a bad connection between IO Board and System Board, or either of these two
components might be faulty. Disassemble the computer following the steps described in
Chapter 4 and perform the following checks:
Check 1 Make sure IO Board FFC Cable has been firmly connected to the connector on
System Board. Also make sure IO Board is free of foreign matters.
And if the connector is disconnected, connect it firmly to the system board
and return to Procedure 1. If a foreign matter is found on IO Board, remove
it and then return to Procedure 1. If the problem persists, perform Check 2.
Check 2 IO Board may be faulty. Replace it with a new one following the steps
described in Chapter 4. If IO Board replaced is still not functioning properly,
perform Check 3.
Check 3 System Board may be defective. Replace System Board with a new one
following steps described in Chapter 4.
IO Board
System Board