Exam Code: 9L0-004

Course Name: Apple Desktop Service

Vendor: Apple

Passing Score: 700

Apple Desktop Service, also known as 9L0-004 exam, is an Apple certification. It trains IT professionals who wish to work as system administrator, enterprise administrator, Web administrator, System engineer, Network engineer, MIS Training – Network. In order to enhance your value in IT field, you must take 9L0-004 exam or Apple Desktop Service.

The 9L0-004 exam provides you with the technical knowledge and skills to troubleshoot Flowchart, used to locate and fix computer problems. You also learn to practice quick fixes, split-half searches, and component isolation techniques by doing this Apple certification. In order to be capable of disassembling and reassembling Power Mac, iMac, and eMac computers, to become familiar with their internal components and the function of each part, one must take the 9L0-004 exam. It enables you to troubleshoot References Access and use Apple online reference tools. It also helps you to become familiar with service source, Apple’s reference web portal, developed for service technicians and used by Apple authorized service providers. The 9L0-004 exam trains you to follow the seven guidelines that reduce the risk of damage from electrostatic discharge (ESD).It facilitate you with the skills to understand the features and functions of the nine layers making up LCDs, the light path through an LCD, and how millions of sub-pixels stimulate our perception of color. You can also gain knowledge of general maintenance and care techniques, as well as the causes and symptoms of common pixel defects.

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Course Outline: Apple Desktop Service

Troubleshooting and Administrative References

Access Service Source, the Knowledge Base, and Discussions.

Gather technical information using Service Source and the Knowledge Base.

Identify the appropriate resources to locate specific information such as part numbers, service news, product specifications, compatibility information, upgradeinformation, etc.

Indicate the type of information included within the service manuals, i.e., Take Apart, Troubleshooting, Upgrades.

Troubleshooting Tools, Diagnostics, Utilities

Identify how to use Mac OS X components such as Apple System Profiler, Disc Utility, Terminal, Network Utility, etc.

Identify quick fixes, such as starting up from an Install CD or resetting Open Firmware, and when to use them.

Identify how to use software tools, including software install and restore CDs, Apple Hardware Test, and Disk Copy.

Identify how to use adjustment utilities such as the display adjustment utility.

Identify the most appropriate diagnostic tools (i.e., Apple Hardware Test, MacTest Pro, TechTool Deluxe) to test the basic operation of the computer's components and the integrity of the directory and file systems.

General Troubleshooting Theory (Hardware)

From a problem description, identify the most appropriate diagnostic procedures to use.

From a problem description, identify the most appropriate reference sources to use in troubleshooting (Service Source, Knowledge Base, etc.).

From a problem description, find the probable cause by applying knowledge of parts and functions of Apple products.

From a description of a repair, identify the proper test to verify the repair, according to Apple recommendations.

Indicate the recommended troubleshooting steps to take prior to performing a repair.

Identify the most appropriate questions of a customer to help identify the cause of a technical issue.

Identify the benefits of verifying the root cause of an issue.

Determine whether a problem is hardware or software related by using appropriate tools and strategies as recommended by Apple.

Indicate why a technician should test the complete range of functionality when verifying a repair.

Electrostatic Discharge (ESD) Prevention

Recognize what ESD is and how it causes damage.

Identify the eight ESD prevention rules.

Identify the equipment necessary to reduce the risk of ESD damage.

Describe how to set up an ESD safe environment (proper grounding, proper ESD mat, etc).

Basic Networking

Identify the requirements and features of AirPort hardware and software.

Troubleshoot common AirPort issues.

Identify steps that demonstrate how to set up and/or restore a basic AirPort Network.

Identify how to locate and fix trouble which prevents files from being shared between computers.

Define common networking terms and how they relate to troubleshooting.

Identify and explain networking error messages or faults.

Displays: Types, Theory of Operation, and Troubleshooting

Identify differences between LCD and CRT displays and how each works.

Choose the best color and resolution settings for each LCD (i.e., scaling gives low quality).

Identify LCD pixel anomalies and service strategies related to them.

Component Isolation Troubleshooting

Identify steps in Apple-recommended component isolation troubleshooting procedure and select steps that demonstrate grasp of the theory behind the component isolation approach to troubleshooting.

Macintosh Computers: Identifying Parts and Their Functions

From pictures, identify major modules (e.g. logic board, power supply, etc.) common to various families of Apple computers.

Identify cross compatibility of modules (i.e., RAM, hard drives, modems) across multiple Apple computer models.

Identify functions of major modules common to various families of Apple computer models.

Recognize common symptoms and problems associated with modules in various families of Apple computers.

Identify the correct module to exchange, when a hardware issue indicates an exchange is needed.

Locate and Identify a replacement module's corresponding part number.

Identify slot and connector types and associated specifications for expansion cards (PCI, AGP, AirPort, PC Card), expansion modules (DIMM, SODIMM, etc), and

connectors (ATA, SCSI, USB, FireWire, ADC, Sound, GVGA, S-video, RJ11).

Displays: Tools, Adjustments, and Troubleshooting.

Identify the function of Apple displays software.

Identify misadjusted iMac CRTs and specific defects shown (for instance, geometrical distortion, out-of-focus).

Identify proper use of hardware and software tools for iMac CRT adjustment (including test patterns, overlays, adjustment tools, etc.).

Displays: CRT Safety Procedures

Identify steps to perform iMac CRT safety, discharge, and disposal procedures.

Identify the risks of working with iMac CRTs.

Identify hazardous areas of an iMac CRT that must not be touched.

Follow the Apple-recommended safety rules and procedures for adjusting a live iMac CRT.

Follow the Apple-recommended safety rules and procedures for discharging an iMac CRT.