Microphone Troubleshooting; Procedure 1 Sound Recorder Execution Check; Procedure 2 Connect Check And Replacement Check - Toshiba Satellite L640 Maintenance Manual

Chapter 2 Troubleshooting Procedures

2.17 Microphone Troubleshooting

Microphone troubleshooting can following below procedures as instructed.
Procedure 1:
Procedure 2:
Procedure 1 Sound Recorder Execution Check
Open accessory to find sound recorder tool, try to record a length of sound, and then replay it
to see if microphone is working normal. If not, go to Procedure 2.
Procedure 2 Connect Check and Replacement Check
The Microphone is combined with CCD cable which is connected to system board. I
microphone malfunctions, its connection may be defective or CCD cable and system board
may be faulty.
Check 1 Make sure the other side of CCD cable is correctly and firmly inserted to the CN3
in MB. If the problem still occurs, perform Check 2.
Check 2 CCD cable or Microphone may be faulty. Replace it with a new one. If the
problem still occurs, perform Check 3.
Check 3 System board may be faulty. Replace it with a new one following the instruction in
Chapter 4.
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)
Sound Recorder Execution Check
Connect Check and Replac ement Check
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