Apple iPod HI-FI Dock Troubleshooting Service Instructions
Contents
1. Service Source iPod Hi Fi Updated 17 Aug 2007 2006 2007 Apple Computer Inc All rights reserved iPod Hi Fi Contents Inspection Inspecting the Unit 2 Troubleshooting General Information 7 Troubleshooting Steps 8 Gather Information 8 Try Quick Fixes 9 Run Diagnostics 9 Try Systematic Fault Isolation 10 Research 10 Escalate 10 Repair or Replace 11 Verify the Repair 11 Inform the User 11 Complete Administrative Tasks 11 Quick Screening with Customer 12 Symptom Charts 14 When to Use the Symptom Charts 14 How to Use the Symptom Charts 14 Hear Buzz with Auxiliary Input and High Volume 15 Left Right Sound Distortion 15 Left Right Channel Issues 15 No Audio Amplification 16 You Cannot Switch the Audio Input Source from Analog to Digital 16 Audio In Does Not Work 16 Poor Sound Quality 17 No Sound 17 No Incorrect Volume Control 18 Unit Will Not Run Off Batteries 18 Unit Will Not Run Off AC Adapter 18 Battery Life Too Short 19 iPod Connection Does Not Work 19 LED Does Not Respond or Responds Incorrectly 20 You Cannot Control the Unit with the Remote 20 Apple Remote Does Not Work 21 Unit Unusually Hot 21 No Power or Response at All 22 Service Source Inspection iPod Hi Fi 2006 2007 Apple Computer Inc All rights reserved Inspecting the Unit Before you open the unit you must perform the visual and mechanical inspection and the verification screens Driver H2. 9765 97 989 919 922 931 932 935 937 938 957 962 963 964 970 976 977 978 989 992 Battery Life Test Perform the Battery Life Test only if the customer complains of short battery life The battery test takes 3 hours 1 Load in new alkaline batteries and close the battery door 2 Connect a known good iPod If you do not have a known good iPod use a known good iPod Hi Fi Inspection 4 external audio input source if you have neither you cannot perform this test Press PLAY PAUSE to play music from the iPod Adjust the volume control to 50 loudness Record the starting time The battery life must be able to last 3 hours for new batteries If the batteries do not last 3 hours dispatch the iPod Hi Fi to the Apple Repair Center iPod Hi Filnspection 5 Service Source Troubleshooting iPod Hi Fi 2006 2007 Apple Computer Inc All rights reserved General Information The first task of the service provider will be to determine if there is a repairable problem with the iPod Hi Fi and whether the repair is covered under warranty The kinds of problems you might see include e Hear Buzz with Auxiliary Input and High Volume 15 Left Right Sound Distortion 15 Left Right Channel Issues 15 No Audio Amplification 16 You Cannot Switch the Audio Input Source from Analog to Digital 16 Audio In Does Not Work 16 Poor Sound Quality 17 e NoSound 17 No incorrect Volume Contro
3. be sure and include the CompTIA code the troubleshooting steps you performed and the results in the Service Instructions section of GCRM and or GSX Also be aware of the following parts that customers may replace themselves known as Do lt Yourself parts Battery door Apple Remote Apple Remote battery tray Dock inserts Power cable Grille Note For the current list of Do It Yourself parts see the product support website Verify the Repair To verify the repair 1 Try to recreate the original symptoms You should not be able to If you can return to the beginning of the troubleshooting flowchart 2 Complete the testing procedures Apple Repair Center only 3 There are no preventive maintenance tasks for this product other than what is included in the testing procedures Inform the User Include in the case notes all that you have done The customer may like a copy of any diagnostic reports Important For any unit you send on to an Apple Repair Center include the CompTIA code symptoms steps to reproduce and troubleshooting steps you have completed thus far in the Service Instructions section of GCRM and or GSX Service Instructions are also known as FAI notes Complete Administrative Tasks There are no particular administrative tasks for this product other than those required by the internal policies of your business or agency iPod Hi Fi Troubleshooting Steps 11 Quick Screening w
4. Apple Remote Does Not Work 21 Unit Unusually Hot 21 No Power or Response at All 22 When to Use the Symptom Charts Before turning to the symptom charts you should have completed the following steps on the Apple General Troubleshooting Flowchart 1 Gather information 2 Verify the problem 3 Try quick fixes You consult the symptom charts as part of the Research troubleshooting step and sometimes as part of the Try Quick Fixes step How to Use the Symptom Charts The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product Cures are listed on the charts in the order of most likely solution try the cures in the order presented iPod Hi Fi Troubleshooting Symptom Charts 14 Many steps ask you to test with a known good iPod If you do not have a known good iPod in many cases you can use a known good external audio source If you have neither you will not be able to perform the step Hear Buzz with Auxiliary Input and High Volume 1 Verify that the buzzing sound is present only when there is an appropriate plug in the audio input port and the volume is set high 2 Is the buzzing present only under these two conditions Yes This is normal behavior Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center No Locate the trouble by proceeding to the Verify Problem step on the flowchart Begin by discovering precisely under
5. iPod Hi Fi Yes The reset resolved the issue Proceed to the Verify Repair step on the flowchart do not dispatch this unit to the Apple Repair Center No The battery connector may need to be replaced Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results Continue with the next step Do you see or hear any response when connected to AC power Yes The battery connector may need to be replaced Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center No The power supply part of the MLB assembly assembly may need to be replaced Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center iPod Hi Fi Troubleshooting Symptom Charts 22
6. the results and dispatch the unit to the Apple Repair Center No Return to the beginning of the flowchart Try to discover the true failure by doing things that would normally elicit LED signals like inserting or running off batteries controlling the iPod through the Apple Remote and adjusting the iPod Hi Fi volume You Cannot Control the Unit with the Remote 1 Verify the behavior of the remote Does the iPod Hi Fi LED indicator light flash amber when you press the remote Yes Verify that you are asking the unit to do something it can For example if you press the increase volume button on the remote when the volume is already set to the maximum the iPod Hi Fi LED indicator light will flash amber it cannot implement the command No Continue with the next step Does the iPod Hi Fi LED indicator light flash green when you press the remote Yes Verify that the iPod Hi Fi responds appropriately to the command from the remote If it iPod Hi Fi Troubleshooting Symptom Charts 20 does not troubleshoot as for No Power at AI No Continue with the next step Does the iPod Hi Fi LED indicator light flash any color when you press the remote Yes The color is either amber or green Return to the previous step No The remote may have failed Continue with the next step If you have not already try using a known good remote Does using the known good remote remove the symptom Yes The original remote has failed Replace i
7. what circumstances you can hear the buzzing Left Right Sound Distortion 1 Using a known good iPod with diagnostic music files verify that the sound is outside the sound quality specification if you have not already done so You must use your best judgement 2 Does the sound quality fall within range Yes The unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center When speaking with the customer offer a copy of the diagnostics report and suggest ways the customer might check the quality of his or her music files No A speaker connection may be loose or one of more of the speakers may need to be replaced Add the CompTIA code details of what tests you ran and the test results to the Service Instructions section of GCRM and or GSX If you cannot duplicate the symptom with these sound files or with known good files but you can with the customer s sound file include the specific name of the problem sound file in the Service Instructions Dispatch to the Apple Repair Center Left Right Channel Issues 1 Using a known good iPod with diagnostic music files verify that the sound is outside the sound quality specification if you have not already done so 2 Does the sound quality fall within range Yes The unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center When speakin
8. any items listed in step 1 Yes Add the specifics of what you found to the Service Instructions section of GCRM and or GSX If you found foreign material or contamination try to remove it Continue with the next step No Continue with the next step Verify the problem with a known good iPod and known good sound files Are you able to hear good sound from the iPod and iPod Hi Fi Yes You may have resolved the problem sufficiently for the customer especially given the cost of what would be an out of warranty repair Proceed to the Inform Customer step on iPod Hi Fi Troubleshooting Symptom Charts 19 the flowchart do not dispatch this unit to the Apple Repair Center No The iPod connector may need to be replaced Inform the customer of the potential charge if you have found evidence of damage Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center LED Does Not Respond or Responds Incorrectly Verify that the unit responds normally except for the indicator light In other words you can adjust volume using the touch pad and the remote for example Is the problem restricted to the LED indicator light behavior only Yes The LED assembly and or LED indicator light may have failed Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and
9. arge update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center No The woofer connection may be loose the woofer may be damaged or not working the MLB assembly may be defective or other connections may be loose Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center You Cannot Switch the Audio Input Source from Analog to Digital 1 If you have not already done so verify the symptom with known good analog and digital input sources 2 Does the symptom persist Yes The digital analog switch on the audio in assembly may have failed Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center No Inform the customer that the trouble appears to be with his or her audio input source Proceed to the Complete Administrative Tasks on the flowchart including updating the Service Instructions section of GCRM and or GSX Do not dispatch this unit to the Apple Repair Center Audio In Does Not Work 1 If you have not already done so verify the symptom with a known good auxiliary input device and plug and known good sound files 2 Does the symptom persist Yes Cont
10. check the quality of his or her music files If you hear sound but the quality is poor continue troubleshooting using one of the other sound quality symptoms No speaker connection may be loose or one of more of the speakers may need to be replaced Add the details of what tests you ran and the test results to the Service Instructions section of GCRM and or GSX Dispatch to the Apple Repair Center No Incorrect Volume Control I Using a known good Apple Remote attempt to adjust the volume of the iPod Hi Fi Also make sure you are using a known good iPod with diagnostic music files You may have already done this as part of the Gather Information or Verify Problem steps Can you control the volume with the Apple Remote Yes The sound board appears to be working normally but the distance between the control buttons and the board may exceed specifications Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center No The sound board may be malfunctioning Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center Unit Will Not Run Off Batteries 1 Verify whether the unit will run off a known good power outlet You may have already done this as part of the Gather Information or Veri
11. e sound files or with known good files but you can with the customer s sound file include the specific name of the problem sound file in the Service Instructions Dispatch the unit to the Apple Repair Center No The unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center When speaking with the customer suggest ways the customer might check the quality of his or her music files No Sound 1 Using a known good iPod with diagnostic music files verify that you hear no sound if you have not already done so Do you hear sound Yes If you hear sound and the quality is good the unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center When speaking with the customer suggest ways the customer might check the quality of his or her music files If you hear sound but the quality is poor continue troubleshooting using one of the other sound quality symptoms No If you have not already done so try resetting the iPod Hi Fi Continue with the next step Do you hear sound after a reset iPod Hi Fi Troubleshooting Symptom Charts 17 Yes If you hear sound and the quality is good the unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center When speaking with the customer suggest ways the customer might
12. et to a level you would normally be able to hear Continue from step 2 No The MLB assembly may be malfunctioning or the unit may have a loose connection Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center Battery Life Too Short 1 Verify that the battery life is less than three hours given fresh name brand non expired unmixed batteries Note any behavior of the LED indicator light You may have already done this as part of the Gather Information or Verify Problem steps 2 Is the battery life too short given fresh batteries and the usage pattern Yes The MLB assembly may be malfunctioning the volume control may be malfunctioning or the iPod connector may be defective Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center No The unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center When speaking with the customer set expectations about battery life for the usage pattern iPod Connection Does Not Work 1 Inspect the iPod connector for broken bent or missing pins foreign materials in the well or contamination left on your finger when you run it lightly over the connector Did you find
13. etween the control buttons and the board may exceed specifications if you cannot control the volume or the MLB assembly may be malfunctioning Add the details about what troubleshooting steps you have taken and the results to the Service Instructions section of GCRM and or GSX and dispatch the iPod Hi Fi to the Apple Repair Center Unit Unusually Hot 1 Verify that the unit is hotter than other similar products running for the same amount of time if you have not already done so 2 Is the iPod Hi Fi hotter than similar products and or too hot to hold Yes The MLB assembly assembly may be malfunctioning Update the Service Instructions iPod Hi Fi Troubleshooting Symptom Charts 21 section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center No The unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center No Power or Response at All 1 2 If you have not done so already verify the problem with a known good iPod and power cord Do you see or hear any response with battery power Yes Note any response in the case notes including LED indicator light behavior and continue with the next step No If you have not already done so try resetting the iPod Hi Fi Continue with the next step Do you see or hear any response with battery power after resetting the
14. fy Problem steps Does the unit run properly when connected to a known good power outlet Yes Continue with the next step No Troubleshoot as for No Power at All Run the DC supply test from the functional screen test if you have the functional screen test Does the unit pass the DC supply test Yes Return to the customer as operating normally or troubleshoot as for Battery Life Too Short Update the Service Instructions section of GCRM and or GSX accordingly No The battery terminals on the unit may be damaged the battery connection may be loose or the MLB assembly may be malfunctioning Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center Unit Will Not Run Off AC Adapter 1 Verify whether the unit will run off known good batteries You may have already done this as iPod Hi Fi Troubleshooting Symptom Charts 18 part of the Gather Information or Verify Problem steps 2 Does the unit run properly when using known good batteries Yes Continue with the next step No Troubleshoot as for No Power at All 3 Run the AC supply test from the functional screen test if you have it 4 Does the unit pass the AC supply test Yes Make sure that all the products in the system besides the iPod Hi Fi are known good for example the iPod the sound files the batteries make sure the volume is s
15. g with the customer offer a copy of the diagnostics report and suggest ways the customer might check the quality of his or her music files No The MLB assembly may need to be replaced Add the details of what tests you ran the test results and the CompTIA code to the Service Instructions section of GCRM and or GSX If you cannot duplicate the symptom with these sound files or with known good files but you can with the customer s sound file include the specific name of the problem sound file in iPod Hi Fi Troubleshooting Symptom Charts 15 the Service Instructions Dispatch to the Apple Repair Center No Audio Amplification Using a known good iPod with diagnostic music files verify that you cannot hear audio amplification You may have already done this as part of the Gather Information or Verify Problem steps Is the audio amplification good Yes The unit is operating normally Proceed to the Inform Customer step on the flowchart do not dispatch this unit to the Apple Repair Center When speaking with the customer suggest ways the customer might check the quality of his or her music files No Continue with the next step Visually inspect the woofer remove the grille You may have already done this as part of Verify Problem Is the woofer damaged for example is the cone torn or punctured Yes Inform the customer that you can have the woofer replaced but there will be a charge If the customer agrees to the ch
16. iliary source and back Use a known good power cord and or set of fresh batteries Try resetting the iPod Hi Fi remove the batteries and AC power wait 10 seconds reapply power Also because the iPod Hi Fi is an acoustic device its environment can impact the quality of sound If the customer s issue involves sound quality be sure to ask questions about where the iPod Hi Fi is set up The guidelines to ensure the best performance include e Place iPod Hi Fi on a stable hard surface away from floor and ceiling Center iPod Hi Fi between side walls for correct stereo imaging Give iPod Hi Fi room to breathe on all sides Place iPod Hi Fi at ear level If the customer does not have the iPod Hi Fi set up according to these guidelines try having the customer correct the setup first For more details see the Symptom Charts section Run Diagnostics AASPs have access to two diagnostic tools for the iPod Hi Fi Diagnostic kit with iPod nano e Diagnostic kit without iPod nano For left right channel issues you can download the following sound files load them onto an iPod or computer with iTunes and test the iPod Hi Fi These files are included with the diagnostic kits iPod Hi Fi Troubleshooting Steps 9 iPod ChannelCheck m4a For the Mind mp3 LEFT For the Mind mp3 RIGHT For the Mind mp3 If you cannot duplicate the symptom with these sound files or with known good files but you can with the customer s so
17. inue with the next step iPod Hi Fi Troubleshooting Symptom Charts 16 No Continue with the next step Verify whether you can hear sound from a known good iPod connected through the dock connector Can you hear sound from the iPod Yes If you can hear sound from the iPod but not from the audio in source the audio in assembly may have failed Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center No If you cannot hear sound from either the audio in source or the iPod the speaker connection s may be loose or the speaker s may be defective Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results and dispatch the unit to the Apple Repair Center Poor Sound Quality 1 Do you hear a buzzing sound Yes Follow the steps for Hear Buzz When Have Auxiliary Input and High Volume No Continue with the next step Using a known good iPod with diagnostic music files verify that the sound quality is poor if you have not already done so Is the sound quality poor Yes The unit could have a leakage problem or it could have a defective rubber seal Update the Service Instructions section of GCRM and or GSX with the CompTIA code troubleshooting steps you performed and the results If you cannot duplicate the symptom with thes
18. ith Customer If you are with a customer follow these steps 1 6 7 Check for evidence of scratches on the white case or other evidence of trying to open the case torn or punctured speaker cones or the black faceplate not being flush with the white case Try a known good iPod and known good music files Try a known good external audio input source Try playing the ipod ChannelCheck m4a Try known good batteries and or a known good power cord Try resetting the iPod Hi Fi see Quick Fixes Try a known good Apple Remote You must screen the iPod Hi Fi to verify the problem before sending the unit to an Apple Repair Center If the iPod Hi Fi passes these tests do not send it to the Apple Repair Center iPod Hi Fi Troubleshooting Steps 12 iPod Hi Fi Packing Instructions 073 1030 Rev A Symptom Charts The symptoms discussed in this section include Hear Buzz with Auxiliary Input and High Volume 15 e Left Right Sound Distortion 15 Left Right Channel Issues 15 e No Audio Amplification 16 You Cannot Switch the Audio Input Source from Analog to Digital 16 Audio In Does Not Work 16 e Poor Sound Quality 17 No Sound 17 No incorrect Volume Control 18 Unit Will Not Run Off Batteries 18 Unit Will Not Run Off AC Adapter 18 Battery Life Too Short 19 iPod Connection Does Not Work 19 LED Does Not Respond or Responds Incorrectly 20 You Cannot Control the Unit with the Remote 20 e
19. l 18 e Unit Will Not Run Off Batteries 18 Unit Will Not Run Off AC Adapter 18 Battery Life Too Short 19 iPod Connection Does Not Work 19 LED Does Not Respond or Responds Incorrectly 20 You Cannot Control the Unit with the Remote 20 Apple Remote Does Not Work 21 Unit Unusually Hot 21 e No Power or Response at All 22 In the next section we will discuss the individual troubleshooting steps as they apply to this product As a reminder the troubleshooting steps are Gather information Verify the problem Try quick fixes Run diagnostics Try systematic fault isolation Research Escalate Repair or replace Verify the repair Inform the user Complete administrative tasks N D UE W D m Note If you are not familiar with the Apple General Troubleshooting Flowchart see the self paced course General Troubleshooting Theory iPod Hi Fi Troubleshooting General Information 7 Troubleshooting Steps You perform the first few steps of troubleshooting regardless of whether there is a repairable problem or damage Gather Information In addition to the normal information you might gather about a problem with this product look especially for evidence of someone attempting to pry open the black faceplate damage to the white case and or damage to the wide range drivers or woofer The image below left shows a pried faceplate and damage to the white case the image on the right shows an undamaged face
20. laying time too short After fully charged battery playing time too short out of spec Battery does not hold charge After fully charged battery playing time too short out of spec Dead battery Sound quality issue No sound in left right both channel cracking noise distortion Loose Hardware Internal vibration due to loose screws and loose mounted modules Missing item cover lens FireWire etc Missing grille dock adapters etc Defective dock connector No sound no power LED Unit abnormally hot Service KGB DOA Service known good Hi Fi is dead on arrival Remote inoperable Apple Remote inoperable 1992 Dock connector bad Dock connector bad Note For Apple Repair Centers only Apple Repair Centers will be required to use a traveler to accompany the unit through the process identifying the customer complaint converted to CompTIA code and record the CompTIA code of the failure found in the screening process The traveler will also be used to identify steps in the process that have been completed and the unit passed This traveler will be sent with the failing units back to the vendor for repair see RMA SOP This information will help the repair vendor identify and fix the problem Also if all tests pass NTF the traveler will be used to verify that all tests were successfully run before the unit is returned to the customer i 938 No audio No sound left right speaker distortion 952 953 964 970
21. or to troubleshooting if you are at an AASP or Retail store If the unit fails the visual and mechanical inspections and the customer has not already agreed to any out of warranty charges return the unit to the customer to gain agreement on charges Notes CompTIA codes used for the iPod Hi Fi are CompTIA Failure Description iPod Hi Fi Symptom Code VMI Visual Mechanical Inspection fail PO iPod updater issue iPod restore issue PO Case Separation reseated in screening Faceplate separated from main housing process or driver housing Battery LED not functioning normally LED not working before during after charge Defective Speakers No Sound Left Right Speaker Distortion Left Right Channel Issues 915 Customer abuse Foreign materials Detect faceplate Cracked main housing Cracked driver housing Burnt AC socket Battery leakage Missing grille Missing tube cup Missing faceplate screw Missing modules Volume control damaged Battery terminal damaged Battery terminal missing Battery terminal contaminated L916 Audio port broken or too loose Audio port cracked broken loose EE FW port or Dock conn broken or too Dock connector loose broken iPod Hi Fi Inspection 3 910 911 912 913 914 916 917 CompTIA Failure Description iPod Hi Fi Symptom Code Unit LED defective Status LED does not illuminate when unit is in on position 1922 Remote control function failure Remote control problem 930 Battery p
22. ousing Sensor Motherboard Dock Connector Assy MLB Assy Battery Spring Wide Range Audio Input Drivers Assy Overview 1 Perform the Visual and Mechanical Inspection VMI AASPs Retail and Apple Repair Centers 2 Perform the Verification Screen 1 System Functional Screen Test VS1 per document part number 070 2080 Apple Repair Centers 3 Perform the Verification Screen 2 Ramp Voltage VS2 per document part number 070 2080 Apple Repair Centers 4 Perform the Verification Screen 2 NTI VS2 per document part number 070 2080 Apple Repair Centers 1 An Apple Repair Center is a location where iPod Hi Fi s are repaired sometimes also known as a depot Apple Authorized Service Providers AASPs and Retail are typically not Apple Repair Centers for the iPod Hi Fi iPod Hi Fi Inspection 2 Visual and Mechanical Inspection Technicians at AASPs Retail and Apple Repair Centers should perform this inspection before starting to troubleshoot Procedure 1 Perform a visual inspection for damage resulting from accident unauthorized service or unauthorized modifications see examples next to CompTIA code 915 below 2 Check for mechanical defects 3 Enter the appropriate CompTIA code s in the Service Instructions area 4 Ifthe unit passes the visual and mechanical inspections proceed to the VS1 screen process to test for functionality if you are at an Apple Repair Center
23. plate See Accidental Damage in the Service Programs manual for the general procedure around accidental damage Gather Information If you are not familiar with the normal information to gather or any of the other steps see General Troubleshooting Theory Verify the Problem 1 Throughout the manual when we refer to a troubleshooting process we are referring to the process documented in the Apple General Troubleshooting Flowchart iPod Hi Fi Troubleshooting Steps 8 Verify that the symptom exists as the customer reports it In trying to recreate the symptom look for any of the following Scratches on the white case or other evidence of trying to open the case Torn or punctured wide range drivers or woofer The black faceplate not being flush with the white case Note At this point in the troubleshooting you may have enough information to determine whether any repair will be covered by warranty or not Try Quick Fixes Quick fixes that may apply to the symptom you are troubleshooting include re Use a blower to clean any debris from the iPod connector Try Quick Fixes Make sure the volume is not turned down all the way on either the iPod Hi Fi or the sound source iPod or audio in Check sound with a known good iPod with known good music Try controlling the volume on the touch pad and or using a known good Apple Remote Switch input sources from a known good iPod to a known good external aux
24. t Do not dispatch the unit to Apple Repair Center No As part of Gather Information Verify Problem and or Try Quick Fixes you may have already tried controlling the iPod Hi Fi directly not using a remote If you have not try that now Continue with the next step Does the iPod Hi Fi operate normally when you control it directly not using a remote Yes The IR sensor could be malfunctioning Add the details about what troubleshooting steps you have taken and the results to the Service Instructions section of GCRM and or GSX and dispatch the iPod Hi Fi to the Apple Repair Center No Troubleshoot as for No Power at All Apple Remote Does Not Work 1 If you have not already verify that the iPod Hi Fi works properly using a known good remote 2 Does the iPod Hi Fi work properly using a known good remote Yes The remote has failed Replace the part and proceed to Verify Repair on the flowchart Do not dispatch this unit to the Apple Repair Center No Verify that the iPod Hi Fi works when you control it directly not using a remote Continue with the next step 3 Does the iPod Hi Fi operate normally when you control it directly not using a remote Yes The IR sensor could be bad Add the details about what troubleshooting steps you have taken and the results to the Service Instructions section of GCRM and or GSX and dispatch the iPod Hi Fi to the Apple Repair Center No The sound board may be malfunctioning or the distance b
25. und file include the specific name of the problem sound file in the Service Instructions Apple Repair Centers have two additional diagnostic tools Functional screen test NTI sound chamber Try Systematic Fault Isolation There are no applicable systematic fault isolation techniques that the service technician can try Systematic Fault other than those covered by the Verify Problem and Try Quick Fixes steps Isolation Research If you have not located the trouble following the steps thus far try researching the symptoms Research resources include Symptom Charts section of this manual GSX gsx apple com Enter serial number and click Coverage Check Service Source Research service info apple com Check Quick Links and or Technical Resources Check options under appropriate Product Service pop up menu Product support page service info apple com Choose iPod Hi Fi Support Page from the appropriate Product Service pop up menu Knowledge Base search info apple com keyword kipodhifi Self paced service training service info apple com Choose Service Training from the Product Service pop up menu Escalate Follow the practices and policies of your business or agency iPod Hi Fi Troubleshooting Steps 10 Repair or Replace Once you locate the trouble you will most likely need to send the unit to the Apple Repair Center so they can replace a part Be sure to follow the packing instructions Also
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