Toshiba L500D Procedure1 Audiosourcetest, Procedure2 Earphonetest, Procedure3 Connectioncheck

2￿Troubleshooting￿Procedures￿

To￿determine￿if￿the￿computer’s￿built-in￿speakers￿are￿functioning￿properly,￿perform￿the￿following￿procedures.￿Figure￿2-10￿outlines￿the￿process.￿First￿adjust￿the￿speaker￿volume￿to￿an￿appropriate￿level.￿Start￿with￿Procedure￿1￿and￿continue￿as￿instructed.￿

Procedure￿1:￿ Audio￿source￿test￿

Procedure￿2:￿ Earphone￿test￿

Procedure￿3:￿ Connection￿check￿

Procedure￿4:￿ Replacement￿check￿

Procedure￿1￿ Audio￿source￿test￿

Try￿different￿audio￿sources￿(e.g.￿an￿audio￿CD￿and￿digital￿music￿file)￿to￿determine￿whether￿the￿ fault￿is￿in￿the￿speaker￿system￿or￿not.￿If￿not￿all￿sources￿have￿sound￿problem,￿the￿problem￿is￿in￿ the￿monaural￿devices.￿If￿all￿have￿the￿same￿problem,￿continue￿with￿Procedure￿2.￿

Procedure￿2￿ Earphone￿test￿

Connect￿a￿set￿if￿earphones￿or￿external￿speakers.￿If￿these￿function￿correctly,￿go￿to￿Procedure￿3.￿ If￿they￿do￿not￿function￿correctly,￿the￿system￿board￿may￿be￿defective￿or￿damaged.￿Replace￿it￿ with￿a￿new￿one.￿

Procedure￿3￿ Connection￿check￿

Disassemble￿the￿computer￿following￿the￿steps￿described￿in￿Chapter￿4,￿Replacement￿ Procedures￿and￿make￿sure￿the￿speaker￿cable￿is￿firmly￿connected￿to￿the￿audio￿board.￿If￿the￿ speakers￿are￿still￿not￿functioning￿properly,￿go￿to￿Procedure￿4.￿

Procedure￿4￿ Replacement￿check￿

If￿the￿stereo￿speakers￿don't￿sound￿properly,￿the￿stereo￿speakers￿may￿be￿defective￿or￿damaged.￿ Replace￿them￿with￿new￿ones.￿If￿the￿stereo￿speakers￿still￿do￿not￿work￿properly,￿try￿replacing￿in￿ turn￿the￿audio￿board￿and￿system￿board.￿

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SATELLITE￿L500D￿/￿￿PRO￿L500D￿MAINTENANCE￿MANUAL￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿￿25￿