Toshiba M200-ST2002 Maintenance Manual - Page 83
Sound Troubleshooting, Procedure 1, Diagnostic Test Program Execution Check, Connector Check
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2.12 Sound Troubleshooting 2 Troubleshooting 2.12 Sound Troubleshooting To check if the sound function is defective or malfunctioning, follow the troubleshooting procedures below as instructed. Procedure 1: Diagnostic Test Program Execution Check Procedure 2: Connector Check Procedure 3: Replacement Check Procedure 1 Diagnostic Test Program Execution Check Execute the Sound test program available as part of the maintenance test program. See Chapter 3 for information on how to perform the test. If any error is detected by the test, go to Procedure 2 Procedure 2 Connector Check The speaker, internal microphones and headphone are connected to the system board shown in the following figure. Internal microphone System board PJ6004 PJ6000 PJ6005 Headphone Speaker Check 1 Make sure the headphone cable is firmly inserted to the headpho ne jack (PJ6004 on the system board). If there is still an error, perform Check 2. Check 2 The speaker cable may be disconnected. . Disassemble the computer following the steps described in Chapter 4 and make sure the speaker cable is connected to the PJ6005 of the system board. If there is still an error, perform Check 3. Check 3 The internal microphone cables may be disconnected. . Disassemble the computer following the steps described in Chapter 4 and make sure the internal microphone cables are connected to the PJ6000 of the system board. If there is still an error, perform Procedure 3. Portege M200 Maintenance Manual (960-457) 2-45
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