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Macintosh Service Certification Exam
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You are preparing to replace faulty RAM inside a Mac mini (Mid 2010). What should be used to open the bottom
A. Putty knife
B. Philips #00 screwdriver
C. Mac mini (Mid 2010) Logic Board Removal Tool
D. Your hands, no tools are required for this procedure
Which of the following measurements is an example of an appropriate use of a multimeter when troubleshooting a
A. Measure logic board battery voltage.
B. Measure high voltage going to a CRT.
C. Measure AC current going to an optical drive.
D. Measure digital signals on the main processor.
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When Do You Use a Multimeter?
Verifying Backup Battery VoltageVolts DC
You can measure a computer's backup or main battery DC voltage to determine if the battery is dead and requires
replacement. An example of this procedure is outlined above. Other examples of this procedure can be found in
many Apple service manuals.
Verifying Power Supply Output VoltageVolts DC
You can also measure the DC voltage outputs from a computer's power supply to determine if the power supply is
faulty and requires replacement. Examples of this procedure can be found in the Power Mac G5 (Late 2005) Power
Supply Verification procedure.
Verifying AC Input VoltageVolts AC
You can measure AC input voltage into a computer's power supply to determine if the computer's power supply or
AC line filter / AC power input is faulty. Examples of this procedure can be found in the iMac (Flat Panel) service
manual, in the 'No Power' troubleshooting symptom charts. Another example can be found in the eMac ATI
Graphics/USB 2.0/2005 no power troubleshooting section. The image below was taken from the eMac ATI
Graphics/USB 2.0/2005 service manual.
You require additional information about a specific problem with a customer's Mac. Which one of the following
resources is the Apple-recommended choice for researching the problem?
C. User's manual
D. Apple support articles
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Which section of any Apple Technician Guide is the BEST place to look for instructions for replacing an internal
C. Take Apart
According to Apple Technician Guides, what should be completed before performing any take-apart steps when
replacing a part in any Apple product?
A. Disconnect and reconnect all internal cables.
B. Lay the product on its side so it will not fall over.
C. Discharge the CRT and establish an ongoing ground.
D. Gather all necessary tools and perform all preliminary steps.
E. Order all available service parts for the appropriate configuration of the product.
Before You Begin
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• Remove any cases or screen protectors, which may inhibit proper testing.
• Verify the user-reported symptom(s) and identify the correct part(s) needed for repair.
• Make sure the device is powered off.
Electrostatic Discharge Precautions
Proper ESD precautions must always be used when opening an iPhone 4. Make sure you are working on a properly
grounded ESD-safe mat and are wearing a properly connected ESD-safe wrist strap.
For more information about ESD, refer to:
• Apple Support article HT3451: Electrostatic Discharge Precautions and Myths
• AppleCare Service Training: ESD Precautions
Gather Required Tools
Warning: Always shut down the computer before opening it to avoid damaging the internal components or causing
injury. After you shut down the computer, the internal components can be very hot. Let the computer cool down for
30 minutes before continuing.
Which TWO details are derived from entering an Apple product's serial number into the Online Service Assistant
section of the Apple Support web page? SELECT TWO
A. Mac OS version
B. Warranty status
C. AppleCare name
D. Installed memory
E. Number of USB ports
Answer: B, C
Check Your Service and Support Coverage
Review your Apple warranty status and eligibility for support and extended coverage.
Select Online Service Assistant, and you see this page:
Enter the serial number, you will get a screen similar to the one shown here:
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Once again, you have the correct AppleCare name for the product. It is a Mac Pro (Early 2008).
A customer asks about RAM speed requirements to upgrade his Mac. To which Apple support site resource should
you refer this customer?
D. Technician Guide
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What component of a Mac mini (Early 2009) logic board requires use of an anti-static foam support to avoid
A. EMI clips
B. Video card
C. Large heat sink
D. Battery connector
1. Be careful not to damage EMI clips on underside of logic board. Place board on antistatic foam when board is not
in a computer.
2. Important: Return logic board to Apple service in correct logic board packaging and with antistatic foam protecting
EMI clips (shown in second photo).
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