Apple mac pro early 2009 User Manual
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Mac Pro (Early 2009) Symptom Charts — Distorted Audio from Internal Speaker 91 2010-09-27 4. Reseat internal speaker connection. Verify sound is heard from internal speaker. YesIssue resolved NoReplace speaker. Go to step 5X08 5. Verify sound is heard from internal speaker. YesIssue resolved NoGo to step 6 6. Insert and disconnect known good headphones or external speakers in the front headphone jack several times. There are mechanical switches inside the headphone connector. Verify sound is...
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Mac Pro (Early 2009) Symptom Charts — Distorted Audio from Internal Speaker 92 2010-09-27 Deep Dive CheckResultActionCode 1. Do external speakers or headphones distort when compared with the same settings and volume as the distorting internal speaker? YesAudio source or volume issue. Reduce volume and retest with known good audio source. Note some audio source frequencies may be outside the frequency response of the internal speaker which may lead to distortion. Go to step 5. NoInternal...
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Mac Pro (Early 2009) Symptom Charts — Front Headphone Jack Has No Audio 93 2010-09-27 Front Headphone Jack Has No Audio Unlikely cause: Power supply, fans, hard drives, optical drives, processors, heatsinks, processor board, memory Quick Check SymptomQuick Check Front Headphone Jack Has No Audio Can’t hear any audio from the computer’s front headphone jack 1. Disconnect all external audio peripherals. 2. Ensure volume is not at a low/muted setting. 3. Boot from Install media or external compatible...
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Mac Pro (Early 2009) Symptom Charts — Line-In Jack Has No Input 94 2010-09-27 4. Reseat front panel board cable and confirm the cable is not damaged. Verify sound is heard from headphones. YesIssue resolved NoIf cable is damaged, replace cable. Go to step 5 X03 5. Insert and disconnect known good headphones or external speakers in the front headphone jack several times. There are mechanical switches inside the headphone connectors. Verify sound is heard from the headphones YesIssue resolved...
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Mac Pro (Early 2009) Symptom Charts — Line-In Jack Has No Input 95 2010-09-27 Deep Dive CheckResultActionCode 1. Check System Profiler for audio devices: Audio (Built In) Intel High Definition Audio. Look for Internal Line-In Connection: 1/8 inch Jack. YesBuilt-in audio devices available. Go to step 2 NoNo built-in audio devices available. Replace backplane board. M09 2. Connect a known good line- level microphone or other line-level device to the line-in jack. Manually switch System...
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Mac Pro (Early 2009) Symptom Charts — Line-In Jack Has Distorted Input 96 2010-09-27 Line-In Jack Has Distorted Input Unlikely cause: Power supply, fans, hard drives, optical drives, processors, heatsinks, processor board, memory Quick Check SymptomQuick Check Line-In Jack Has Distorted Input Distorted input in the computer’s line-in jack 1. Disconnect all external audio peripherals. 2. Ensure volume is not at a low/muted setting. 3. Boot from Install media or external compatible Mac OS X. Listen for...
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Mac Pro (Early 2009) Symptom Charts — Rear Line-Out Jack Has No Audio 97 2010-09-27 3. Reduce Input volume slider so the sound into the line-In jack is not too loud or distorting. Verify the Input level shows moving bars relating to the sound being input.. YesIssue resolved NoReplace backplane board.M09 Rear Line-Out Jack Has No Audio Unlikely cause: Power supply, fans, hard drives, optical drives, processors, heatsinks, processor board, memory Quick Check SymptomQuick Check Rear Line-Out Jack Has...
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Mac Pro (Early 2009) Symptom Charts — Rear Line-Out Jack Has No Audio 98 2010-09-27 2. Connect headphones or external speakers to the rear line-out jack. Manually switch System Preference Sound Output to Line Out. YesSet to Line Out. Go to step 3 NoThe wrong output device shown, e.g. internal microphone. Manually switch System Preference Sound Output to Line Out. Go to step 3 3. Verify sound can be heard from headphoe or external speakers. YesIssue resolved NoReplace backplane board.M09
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Mac Pro (Early 2009) Symptom Charts — Optical Digital Audio In Has No Input 99 2010-09-27 Optical Digital Audio In Has No Input Unlikely cause: Power supply, fans, hard drives, optical drives, processors, heatsinks, processor board, memory Quick Check SymptomQuick Check Optical Digital Audio In Has No Input Can’t receive any signal input from the computer’s optical digital audio in jack 1. Reset PRAM 2. Disconnect all external audio peripherals. 3. Connect optical-in on computer to optical-out on...
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Mac Pro (Early 2009) Symptom Charts — Optical Digital Audio In Has No Input 100 2010-09-27 2. From Quickchecks: To test the actual audio quality, create a new GarageBand project on the computer being tested, and add a new track -> Real Instrument, Vocals, No Effects, monitor on. Verify that you hear the audio being played back through the computer’s speaker and see VU meter activity for that instrument. YesIssue resolved. No issue with the optical output or input at a hardware level. NoRule...