dynabook E10-S, Maintenance Manual

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2 Troubleshooting 2.12 Headphone Port
2-18 Maintenance Satellite Pro E10-S / dynabook E10-S
2.12 Headphone/Microphone Port
To determine if the computer’s Headphone Port is functioning properly or malfunctions,
perform following procedures. Start with Procedure 1 and continue with the other
procedure as instruction below.
Procedure 1: Windows Application Test
Procedure 2: Connector Check and Replacement Check
Procedure 1: Windows Application Test
Headphone/Microphone Port Connector is mounted on System Board. Connect external
Headphone/Microphone with Headphone Jack interface to the computer’s
Headphone/Microphone Port, then power on the computer into Windows. The computer
will automatically detect this Headphone device through Headphone/Microphone Port.
Execute Function Programs in Windows, if the Headphone device appears to have a certain
problem, go to Procedure 2. If an error is not located, Headphone/Microphone Port is
functioning properly.
Procedure 2: Connector Check and Replacement Check
If Headphone/Microphone Port on System Board malfunctions, there may be a bad
connection between Headphone/Microphone device and System Board, or either of System
Board might be faulty. Disassemble the computer following the steps described in Chapter 4
and perform the following checks:
Check 1 Make sure Headphone/Microphone device cable has been firmly connected to
Headphone/Microphone Port of System Board. Also make sure
Headphone/Microphone Port on System 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 Headphone Port
of System Board, remove it and then return to Procedure 1. If the problem
persists, perform Check 2.
Check 2 System Board may be faulty. Replace it with a new one following the steps
described in Chapter 4.
Headphone
/Mic
rophone Port
System Board