Apple MacBook 13 late 2009 Service Manual

Apple Technician Guide

MacBook (13-inch, Late 2009)

MacBook (13-inch, Late 2009)

MacBook (13-inch, Mid 2010)

Updated 2010-06-15

Apple Inc.

© 2009 Apple Inc. All rights reserved.

Under the copyright laws, this document may not be copied, in whole or in part, without the written consent of Apple.

Every effort has been made to ensure that the information in this document is accurate. Apple is not responsible for printing or clerical errors.

Apple

1 Infinite Loop Cupertino, CA 95014-2084 USA

+ 1 408 996 1010 www.apple.com

Apple, the Apple logo, Mac, MacBook, and Macintosh are trademarks of Apple Inc., registered in the U.S. and other countries.

MacBook (13-inch, Late 2009)

Contents

Updates	7
Updated 15 June 2010		7
Updated 18 May 2010		7
Updated 09 April 2010		7
Updated 01 April 2010		7
Updated 18 February 2010				8
Updated 15 January 2010			8
Updated 8 January 2010			9
Updated 2 December 2009				9
Updated 5 November 2009				9
Updated 27 October 2009				9
Apple Technician Guide introduced 20 October 2009  10
Feedback	10

Basics

Overview  12

Safety:Battery Precautions  13

Serial Number Location  14

Transferring the Serial Number  15

Note About Images In This Guide  15

Caution About Ordering Replacement Parts  15

Troubleshooting

General Troubleshooting		17
Update System Software		17
Troubleshooting Theory	17
Hardware vs. Software	17
MacBook (13-inch, Late 2009):Functional Overview				18
MacBook (13-inch, Mid 2010):Functional Overview				19
MacBook (13-inch, Late 2009):Block Diagram			20
MacBook (13-inch, Mid 2010):Block Diagram			21
Liquid Contact Indicators		22
Common Reset Procedures  23
Apple Service Diagnostics		24
Clamshell Service Diagnostic Read Me  25

Display Issue:Pixel Anomalies  25

Symptom Charts  27

Startup and Power Issues  27

No Power  27
Intermittent Shutdown  33
No Video/Bad Video  38
Battery Isn’t Recognized or Won’t Charge				41
Kernel Panic/System Crashes			43
Battery Run Time Too Short		45
Won’t Run on Power Adapter			46
Noise / Hum / Vibration	47
Battery Leaking or Swollen		50
Uncategorized Symptom	50
Communications  51
Ethernet Port/Device Issue		51
AirPort/Bluetooth:Defective Wireless Devices					53
No/Poor Wireless Signal	55
Wireless Input Device Loses Connection				56
Wireless Performance Issue / Slow Connection					59
Wireless Input Device Doesn’t Pair  61
Uncategorized Symptom	63

Display  64

Display Anomalies  64

Defective Camera / Built-in iSight Not Operating Correctly  69

Blank / No Video	70
Backlight Issue / No Backlight				71
Noise / Unstable Flickering			72
Mechanical/Physical Damage				74
Cosmetic Defects	74
Uncategorized Symptom			74
Mass Storage  75
Hard Drive Read/Write Issue				75
Hard Drive Not Recognized/Not Mounting					76
Hard Drive Noisy	78
Optical Drive Won’t Accept/Reject Media					79
Optical Drive Not Recognized/Device Not Mounting  83
Optical Drive Noisy		84
Optical Drive Not Performing to Specs  86
Uncategorized Symptom			87
Input/Output Devices		88

USB Port Does Not Recognize Known Input Devices  88

Built-in Keyboard Does Not Work Properly	89
Specific Keys Don’t Work  90
Built-in Keyboard Is Not Recognized  90
Built-in Trackpad Does Not Track Properly	92

Built-in Trackpad Does Not Work  93
Built-in Speaker Has No Audio  95
Distorted Sound from Internal Speaker  96
Uncategorized Symptom	98
Mechanical Issues:Thermals and Enclosure  99
Reset/Power Button Stuck	99
System Runs Hot  100
Uncategorized Symptom	102

Take Apart

General Information	104
Connector Types on Logic Board		104
Tools  107
Icon Legend  108
Temperature Concerns  109
Replacement Steps	109
Note About Images In This Guide		109
Screw Sizes  109

Bottom Case  110

Top Case Snaps  115

Battery  117

Removal  118

Replacement  119

Trackpad  121

Removal  122

Replacement  123

Hard Drive Bracket  126

Hard Drive  128

Removal  129

Replacement  131

Hard Drive Connector Cable  133

Hard Drive Grommets  134

Memory  136

Removal  137

Replacement  138

Fan  140

AirPort/Bluetooth Flex Cable  143

Rear Vent  145

Rear Speaker		148
AirPort/Bluetooth Card				152
Optical Drive		154
Optical Drive Flex Cable				158
Logic Board	160
Removal	161
Replacement			163
Heatsink  169
Removal	170
Replacement			172
MagSafe Board			173
Removal	174
Replacement			175
Display Module			176
Removal	177
Replacement			181
Top Case with Keyboard				184

Additional Procedures

Trackpad Grounding Strap  187

Views

Exploded Views	190
Display View	190
MacBook (13-inch, Late 2009):Main View (side-by-side serial numbers)			191
MacBook (13-inch, Late 2009):Main View (stacked serial numbers)		192
MacBook (13-inch, Mid 2010):Main View (stacked serial numbers)		193

External Views  194

Front View  194

Rear View  195

Port View  195

Screw Locations  196

Bottom Case  196

Battery, Rear Vent, Hard Drive Connector Cable  197

Logic Board, Optical Drive, Speaker, Fan, MagSafe Board, Display  198 AirPort/Bluetooth Card and Heatsink  199

Top Case and Trackpad  200

Updates

Updated 15 June 2010

Troubleshooting:

•General Troubleshooting:Resetting the System Management Controller (SMC):Updated text to clarify MagSafe LED behavior; deleted text requiring resetting date and time.

Updated 18 May 2010

Basics

• Overview:Added new model:MacBook (13-inch, Mid 2010)

Troubleshooting:

•General Information:Tools:Updated Apple Service Diagnostic to 3S136 and Apple Hardware Test version to 3A181 MacBook (13-inch, Late 2009) and to 3A199 for MacBook (13-inch, Mid 2010)

•Functional Overview:Added version for MacBook (13-inch, Mid 2010)

•Block Diagram:Added version for MacBook (13-inch, Mid 2010)

•Symptom Charts:Startup/Power Issues:No Power deep dive table:Added power-on pads for MacBook (13-inch, Mid 2010) logic board

Take Apart

•Trackpad:Added alternate trackpad kit part number 922-9551

•Fan:Replaced image showing screws

•Optical Drive:Replaced 4.49 mm screw with part number 922-9516

Views:

•Exploded Views:Added Main View for MacBook (13-inch, Mid 2010)

•Screw Locations:Replaced optical drive screw part number

Updated 09 April 2010

Take Apart

•Top Case Snaps:Added new procedure showing how to replace the three top case snaps

Updated 01 April 2010

Basics

•Caution About Ordering Replacement Parts:Added reminder to enter product serial number in GSX before ordering replacement part

2010-06-15

MacBook (13-inch, Late 2009) Basics — Updates  7

Troubleshooting

•Symptom Charts:Input/Output Devices:Revised trackpad steps in Deep Dive to refer to trackpad grounding strap procedure

•Symptom Charts:Input/Output Devices:Revised speaker steps in Deep Dive to address right/left speakers on top case

Take Apart:

•Battery:Added alternate part numbers for battery screws

•Trackpad:Added alternate part number for trackpad kit; corrected image for T6 set screw

•Logic Board: Added stacked serial number image; added reminder to enter product serial number in GSX before ordering replacement part

•Top Case:Added reminder to enter product serial number in GSX before ordering replacement part

Additional Procedures

•Trackpad Grounding Strap:Added new procedure to check for or install grounding strap from chassis ground to trackpad; this addresses jumpy cursor movement symptom

Views:

•Exploded Views:Added new notes about the need to refer to GSX for the most accurate parts list; added second Main View for modified part numbers

•Screw Locations:Added alternate part numbers for battery screws

Updated 18 February 2010

Take Apart:

•General Information:Connector Types on Logic Board:Added LVDS cable image and replacement caution to check for gold traces

•General Information:Tools:Added torque driver recommendation for 6 display screws

•Bottom Case:Added new Replacement step 4 to align bottom case notches to clutch

•Rear Vent:Added optional torque driver to Tools; revised step 2 screws, including new 4-mm screw with red locktite and screw ID table; added torque specifications

•Logic Board:Added optional headphone jack to Tools; added new Replacement steps 4-6 to align ports using a headphone jack

•Display Module:Added optional torque driver to Tools; revised Replacement step 1 to include torque specifications

•Top Case with Keyboard:Added replacement note about transferring the trackpad

Views:

•Screw Locations:Added torque specifications for 6 display screws

Updated 15 January 2010

Take Apart:

• Battery:Added battery label reminder

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MacBook (13-inch, Late 2009) Basics — Updates  8

Updated 8 January 2010

Troubleshooting:

•General Information:Tools:Updated Apple Service Diagnostic to 3S135

Take Apart:

•Trackpad:Added cautions to avoid bending flexures

Updated 2 December 2009

Troubleshooting:

•General Troubleshooting:Added new section“Clamshell Service Diagnostic Read Me”

•Symptom Charts:Startup and Power Issues:Revised for Clamshell Service Diagnostic (CSD) considerations

•Symptom Charts:Communications:Revised for CSD considerations

•Symptom Charts:Display:Revised for CSD considerations

Updated 5 November 2009

Troubleshooting:

•Symptom Charts:Input/Output Devices:Built-In Trackpad Does Not Work:Revised step 2 and step 6 of Deep Dive table to check normal trackpad clicking motion

Take Apart:

•Bottom Case:Added image for screwdriver angle

•Rear Speaker:Modified image for step 4 to emphasize recessed screw

•Optical Drive:Modified image for step 1 to emphasize recessed screw

•Logic Board:Replacement:Added reminder to not remove serial number label

Views:

•Screw Locations:Added heatsink screw length

Updated 27 October 2009

Troubleshooting:

•Symptom Charts:Startup and Power Issues:No Video/Bad Video:Added backlight fuse location to step 9 of Deep Dive table; updated for separate heatsink solution

•Symptom Charts:Display:Backlight Issue/No Backlight:Added backlight fuse location to step 6 of Deep Dive table

•Symptom Charts:Mechanical Issues:Thermals and Enclosure:Updated for separate heatsink solution

Take Apart:

•General Information:Tools:Added thermal grease, cleaning wipes,T8 and #1 screwdrivers

•Trackpad:Updated steps based on trackpad kit contents

•Rear Vent:Tools:Changed from T7 to T8 screwdriver

•Optical Drive:Added image to step 2

•Heatsink:Added heatsink procedure

2010-06-15

MacBook (13-inch, Late 2009) Basics — Updates  9

•Logic Board (includes Heatsink):Changed title to“Logic Board;”added heatsink replacement reminder

•MagSafe Board:Tools:Changed from #00 to T6 screwdriver

Views:

•Exploded Views:Main View:Added heatsink kit 076-1358; revised logic board reference

•Screw Locations:Added heatsink screws

Apple Technician Guide introduced 20 October 2009

Feedback

We want your feedback to help improve this and future Technician Guides! Please email any comments to [e-mail]

2010-06-15

MacBook (13-inch, Late 2009) Basics — Feedback  10

Apple Technician Guide

Basics

MacBook (13-inch, Late 2009)

© 2009 Apple Inc. All rights reserved.

Overview

The MacBook (13-inch, Late 2009) features a brighter LED-backlit display, a 2.26 GHz Intel Core 2 Duo processor, and the graphics performance of NVIDIA GeForce 9400M integrated graphics. Faster DDR3 memory, a larger 250 GB hard drive, and a new Mini DisplayPort round out some of the performance and feature upgrades.

The MacBook (13-inch, Mid 2010) features a 2.4 GHz Intel Core 2 Duo processor, NVIDIA GeForce 320M graphics, and a 250 GB hard drive

A longer-lasting, high performance, internal battery is no longer customer replaceable.This high-density battery can be safely removed only by an authorized Apple service provider.

For full technical specifications, refer to AppleCare Tech Specs:

http://support.apple.com/specs/

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MacBook (13-inch, Late 2009) Basics — Overview  12

Safety:Battery Precautions

This computer contains an internal-only battery that is serviceable by Apple-authorized service providers only.Tamper-proof screws are employed to prevent customers from attempting to remove it.

WARNING: Every time you remove the bottom case, disconnect the battery cable from the logic board.

WARNING:Because the battery is internal and connected to the logic board by a cable, it MUST BE DISCONNECTED before performing service procedures. If you fail to do so, live current from the battery will short circuit the components and render the logic board and/or LVDS cable unusable.

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MacBook (13-inch, Late 2009) Basics — Overview  13

Serial Number Location

Turn over the computer to see the serial number etched on the bottom case front.

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MacBook (13-inch, Late 2009) Basics — Serial Number Location  14

Transferring the Serial Number

When replacing a bottom case, retain the customer’s bottom case until the repair is complete. Before installing the replacement bottom case, use a fine tip permanent marker to write the original serial number clearly and legibly in uppercase box letters directly onto the inside of the new bottom case.

CAUTION:Take great care in deciphering the small typeface of the etched serial number on the bottom case.You might need a magnifying glass to see it clearly. It is imperative that you transfer the correct alphanumeric characters. Keep in mind that Apple serial numbers always use the numbers 1 and 0 instead of the Roman letters“I”and“O.”

Note About Images In This Guide

Because a pre-production model was used for most of the images shown in this guide, you may notice small differences in appearance between the image pictured and the computer you are servicing. However, although the appearance may differ, the steps and sequence are the same unless noted.

Caution About Ordering Replacement Parts

Caution: Some modules have more than one part number due to different product configurations. Before ordering a replacement part, ALWAYS enter the product serial number in GSX to find the compatible part.

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MacBook (13-inch, Late 2009) Basics — Serial Number Location  15

Apple Technician Guide

Troubleshooting

MacBook (13-inch, Late 2009)

© 2009 Apple Inc. All rights reserved.

General Troubleshooting

Update System Software

Important: Whenever possible before beginning troubleshooting, ensure the latest software and firmware updates have been applied.

Troubleshooting Theory

For general information on troubleshooting theory, go to GSX and find the Service Training course menu link. From there you can access the Troubleshooting Theory self-paced course.

Hardware vs. Software

For information on how to isolate a hardware issue from a software issue, refer to:

TS1388—Isolating issues in Mac OS X <http://support.apple.com/kb/TS1388>

TS1394—Mac OS X:Troubleshooting installation and software updates <http://support.apple. com/kb/TS1394>

HT2956—Troubleshooting Mac OS X installation from CD or DVD <http://support.apple.com/ kb/HT2956>

For information on how to troubleshoot a software issue, refer to:

HT1199—Mac OS X:How to troubleshoot a software issue <http://support.apple.com/kb/ HT1199>

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MacBook (13-inch, Late 2009) General Troubleshooting — Update System Software  17

Functional Overview	to logic board connectors.To more easily view this	Rotatetheselectpage,command.
inch,-(13MacBookLate2009):	diagramthistoReferfor symptoms related
	:

AirPort/Bluetooth: antennas:

• no /poor wireless reception

Wide-range rear speaker:

• no /bad medium or bass center sound output

SATA optical drive:

•no SATA optical drive visible in System Profiler

•no startup from optical drive

Right speaker

• no/distorted treble output from right top case speaker

Sleep LED:

• no sleep LED status

Trackpad/trackpad button/ thermal sensor:

•no cursor movement

•no click action

•runs slow (trackpad thermal sensor input missing)

AirPort/Bluetooth		Fan:		MagSafe connector
• device(s) not seen in System		• intermittent shutdown		(under logic board):
Profiler		• freezes		• no power on
• no communication with them		• noisy fan		• no battery charge
• no startup (if shorted cable)				• no LED on adapter

Memory:

•no startup

•freeze or kernel panic

• horizontal video lines

LCD/backlight/camera:

•no video on internal LCD

•no backlight

•no camera

Connector located on other side of logic board:

Sleep sensor:

•no sleep when display closed

•no video on internal LCD, but main monitor on external display when connected (sensor stuck)

Left speaker: no/distorted• treble

output from left top case speaker

Keyboard/power		Battery:	drive:
on button:		• not running when on battery
• no power on from		only
keyboard		• no power on (if incorrect model
• nonresponsive keys		of power adapter)
		• X symbol for battery in menu
		bar

SATA hard

•no SATA hard drive visible in System Profiler

•no startup from internal hard drive

Microphone: no• internal sound

input level (when internal microphone is selected in Sound Input Preferences)

MacBook(13-inch,Late2009)GeneralTroubleshooting—MacBook(13-inch,Late2009):FunctionalOverview  18

2010-06-15

Functional Overview	to logic board connectors.To more easily view this	Rotatetheselectpage,command.
inch,-(13MacBookMid 2010):	diagramthistoReferfor symptoms related
	:

AirPort/Bluetooth: antennas:

• no /poor wireless reception

Wide-range rear speaker:

• no /bad medium or bass center sound output

SATA optical drive:

•no SATA optical drive visible in System Profiler

•no startup from optical drive

Right speaker

• no/distorted treble output from right top case speaker

Sleep LED:

• no sleep LED status

Trackpad/trackpad button/ thermal sensor:

•no cursor movement

•no click action

•runs slow (trackpad thermal sensor input missing)

AirPort/Bluetooth		Fan:		MagSafe connector
• device(s) not seen in System		• intermittent shutdown		(under logic board):
Profiler		• freezes		• no power on
• no communication with them		• noisy fan		• no battery charge
• no startup (if shorted cable)				• no LED on adapter

Memory:

• no startup

• freeze or kernel panic

• horizontal video lines

LCD/backlight/camera:

•no video on internal LCD

•no backlight

•no camera

Connector located on other side of logic board:

Sleep sensor:

•no sleep when display closed

•no video on internal LCD, but main monitor on external display when connected (sensor stuck)

Left speaker: no/distorted• treble

output from left top case speaker

Keyboard/power	Battery:	drive:
on button:	• not running when on battery
• no power on from	only
keyboard	• no power on (if incorrect model
• nonresponsive keys	of power adapter)
	• X symbol for battery in menu
	bar

SATA hard

•no SATA hard drive visible in System Profiler

•no startup from internal hard drive

Microphone: no• internal sound

input level (when internal microphone is selected in Sound Input Preferences)

MacBook(13-inch,Late2009)GeneralTroubleshooting—MacBook(13-inch,Mid2010):FunctionalOverview  19

2010-06-15

MacBook (13-inch, Late 2009):Block Diagram

Refer to this diagram to see how modules are interrelated.

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MacBook (13-inch, Late 2009) General Troubleshooting — MacBook (13-inch, Late 2009):Block Diagram  20

MacBook (13-inch, Mid 2010):Block Diagram

Refer to this diagram to see how modules are interrelated.

2010-06-15

MacBook (13-inch, Late 2009) General Troubleshooting — MacBook (13-inch, Mid 2010):Block Diagram  21

Liquid Contact Indicators

Liquid contact indicators (LCI) have been added to specific locations on current Mac portables to help determine if systems have been damaged by liquid.The sensors are only visible when the bottom case and some of the modules have been removed. Normally represented by small white dots, the LCIs turn red when they have come in contact with liquid, such as an accidental spill.

For more information, refer to Knowledge Base article HT3400: “About Liquid contact indicators (LCI) on portable computers.”http://support.apple.com/kb/HT3400

2010-06-15

MacBook (13-inch, Late 2009) General Troubleshooting — Liquid Contact Indicators  22

Common Reset Procedures

Resetting the System Management Controller (SMC)

To reset power management via the SMC chip:

1.If the computer is on, turn it off by choosing Shutdown from the Apple ( ) menu.

2.Connect the power adapter to the computer and to a working power source.

3.Important:Use the keys on the left side of the keyboard. On the built-in keyboard, press Shift-Control-Option along with the power button once.

Note: When the LED on the MagSafe connector is orange, resetting the SMC will change it to green for a few seconds, indicating that SMC was correctly reset.

4.Wait 5 seconds and press the power button to restart the computer. Note:If bottom case is removed, you may alternately reset the SMC by disconnecting the power adapter and the main battery, and holding the power button down for five seconds.

For more information:

http://www.apple.com/support

HT1411—Apple Portables:Resetting the System Management Controller (SMC) <http:// support.apple.com/kb/HT3964>

Resetting the Parameter RAM (PRAM)

To reset PRAM,

1.If the computer is on, turn it off.

2.Locate the following keys on the keyboard:Command, Option, P, and R.You will need to hold these keys down simultaneously in Step 4.

Note:If the keyboard does not have an Option key, use the Alt key instead.

3.Turn on the computer.

4.Press and hold the Command-Option-P-R keys.

Important:You must press this key combination before the gray screen appears.

5.Hold down keys until the computer restarts, and you hear the startup chime a second time.

6.Release the keys.

For more information:

http://www.apple.com/support

HT1379—Apple Portables:Resetting the PRAM <http://support.apple.com/kb/HT1379>

2010-06-15

MacBook (13-inch, Late 2009) General Troubleshooting — Common Reset Procedures  23

Starting Up in Safe Mode

A Safe Boot is a special way to start Mac OS X when troubleshooting.To start up into Safe Mode (Safe Boot):

1.Make sure the computer is shut down.

2.Press the power button.

3.Immediately after you hear the startup tone, press and hold the Shift key.

Note:The Shift key should be held as soon as possible after the startup tone but not before.

4.Release the Shift key when you see the screen with the gray Apple and progress indicator (looks like a spinning gear). During startup, ”Safe Boot”appears on the Mac OS X startup screen.To leave Safe Mode, restart the computer normally, without holding down any keys during startup.

For more information:

http://www.apple.com/support

HT1564—What is Safe Boot, Safe Mode? <http://support.apple.com/kb/HT1564>

TS1884—Safe Boot take longer than normal startup <http://support.apple.com/kb/ TS1884>

Apple Service Diagnostics

Run Apple Service Diagnostics to determine if any of the thermal sensors are malfunctioning. When sensors fail, replace the corresponding part—logic board, battery, or top case. See chart below for correlation between error code and part.

Name	Location
TC0D	Logic board
TC0P	Logic board
Th1H	Logic board
TN0D	Logic board
Ts0P	Trackpad flex cable
TB0T	Battery
TB1T	Battery
TB2T	Battery
TB3T	Battery

Refer to Knowledge Base article 112125:Service Diagnostics Matrix for diagnostic software.

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MacBook (13-inch, Late 2009) General Troubleshooting — Apple Service Diagnostics  24

Clamshell Service Diagnostic Read Me

Isolating video and wireless issues in portable computers can be time consuming and confusing.The Clamshell Service Diagnostic (CSD) is a new diagnostic tool that checks Apple’s latest portable computers for the presence of AirPort, Bluetooth, LCD and Ambient Light Sensor (ALS) to assist you in quickly making a failure determination.

Troubleshooting benefits of using CSD include:

•Quick way (less than 1 minute) to determine whether clamshell-related modules (AirPort, Bluetooth, LCD and ALS) are electrically connected without taking apart the system.

•Results of CSD can help pinpoint if any clamshell cables may need to be reseated to logic board.

•Diagnostic results can help isolate a video or wireless issue to either the clamshell or the logic board, to avoid unnecessary replacements of these components.

CSD checks for the presence of the computer’s:

•AirPort

•Bluetooth

•LCD

•ALS

CSD does not check for the presence of the computer’s:

•iSight camera

•externally connected hardware components (such as USB or FireWire devices)

CSD does not check for issues with the OS X or other software-related problems such as application or extension conflicts.

Display Issue:Pixel Anomalies

When displaying a single color over the screen area, the LCD panel might show one or more pixels that are not properly lit.To determine if the display has an acceptable number of pixel anomalies, follow the steps below:

1.Set the display image to one of the following colors:all-white, all-red, all-green, all-blue, or all-black display. Knowledge Base article 112125:Service Diagnostics Matrix has the LCD Tester Diagnostic Utility that will generate these patterns on the screen.

2.Using a jeweler’s loupe, pocket microscope, or other magnifying device, identify and count each pixel anomaly:

Bright subpixel anomaly = subpixel that is always on

Dark subpixel anomaly = subpixel that is always off

3. The number of acceptable pixel anomalies for this computer is:

Bright	Up to 3
Dark	Up to 5
Combination	Up to 7

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MacBook (13-inch, Late 2009) General Troubleshooting — Clamshell Service Diagnostic Read Me  25

4.	If the number of subpixel anomalies exceeds the acceptable number shown above, replace
	the LCD panel display assembly. Numbers outside the acceptable range would be:
		Bright	4 or more
		Dark	6 or more
		Combination	8 or more
5.	If the number of subpixel anomalies is acceptable, explain to the customer that the pixel
	anomalies are within specifications, and no repair is necessary.

Important:Do not release the specifications to customers. Instead, inform them that a certain number of subpixel anomalies are considered acceptable, and these factors apply to all manufacturers using LCD technology—not just Apple products.

When speaking with customers, please use the following explanation:

Active-matrix LCD technology uses rows and columns of addressable locations (pixels) that render text and images on screen. Each pixel location has three separate subpixels

(red, green, and blue) that allow the image to be rendered in full color. Each subpixel has a corresponding transistor responsible for turning the subpixel on or off.

There are typically millions of these subpixels on an LCD display. For example, the LCD panel used in the Apple Cinema HD display is made up of 2.3 million pixels and 6.9 million red, green, and blue subpixels. Occasionally, a transistor does not work perfectly, which may result in the affected subpixel being turned on (bright) or turned off (dark).With

the millions of subpixels on a display, it is quite possible to have a low number of faulty transistors on an LCD.Therefore, a certain number of subpixel anomalies are considered acceptable. Rejecting all but perfect LCD panels would significantly increase the retail price for products using LCD displays.These factors apply to all manufacturers using LCD technology—not just Apple products.

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MacBook (13-inch, Late 2009) General Troubleshooting — Display Issue:Pixel Anomalies  26

Symptom Charts

Follow the steps in the order indicated below. If an action resolves the issue, retest the system to verify. Note:A compilation of Quick Check tables is available at http://service.info.apple. com/QRS/en/quickreference.pdf.

Note: There is no silk-screen text on final production logic boards.The photos shown with test points are from pre-production units and are solely for reference.

Startup and Power Issues

No Power

Unlikely cause:display assembly, speakers, optical drive, hard drive

Quick Check

	Symptom		Quick Check
	No Power / Dead Unit		1.	Verify AC power presence with MagSafe LED
	•	No power		indicating on, or in charge state.
	•	No image	2.	Verify unit’s power adapter on a known-good
	•	No startup chime		system.
	• No fan or hard drive spin		3.	Reset SMC.
	• No reset sound from optical
			4.	Run Battery Diagnostic Utility.
		drive

•No sleep LED activity

•No light if Caps Lock pressed

•Non-operational

Deep Dive

	Check	Result	Action	Code
	1. Test unit’s AC adapter on a	Yes	AC adapter OK. Go to step 2
	known-good system, and verify
		No	Go to step 3.	P01
	that it can power and charge
	the battery.

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MacBook (13-inch, Late 2009) Symptom Charts — Startup and Power Issues  27

2.	Connect known-good and	Yes	Go to step 5.
	correct model of AC adapter
		No	Go to step 9.
	to unit and verify that it can be
	powered on.
3. Inspect unit’s AC adapter and		Yes	Replace AC adapter	P01
	verify that cable and MagSafe
	connector have no damage	No	Clean connector assembly,
	and are clean and free from		release any stuck pin then
	defects.		retest AC adapter on a
			known-good system.
			If damaged, replace AC
			adapter for following
			symptoms:
			-damaged /burnt pins,	P15
			-damaged wire,.	P16
			If still no power go to step 4
4. Run Battery & Adapter		Yes	Retest AC adapter on unit
	Diagnostics utility on a known-
	good system and verify that	No	Replace AC adapter if failing	P14
	adapter health is good.		Adapter Diagnostics test
5.	Reset SMC. Connect known-	Yes	Corrupt SMC state prevented
	good AC adapter and startup		battery management. Issue
	unit to verify that battery is		resolved with SMC reset.
	recognized and charges.
		No	Go to step 6

6. Verify that battery connector is Yes		Battery connector has no
correctly seated and does not		visible damage. Go to step 7.
have any damaged or bent pin.
	No	Reseat battery connector and
		retest. If physical damages are
		found, replace damaged parts
		and retest:
		-damaged battery,	P11
		-damaged logic board	M20

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MacBook (13-inch, Late 2009) Symptom Charts — Startup and Power Issues  28

7.	Unit’s battery may be run	Yes	Battery health is reported
	down, or not recognized.		good . Let battery fully charge
	Run Battery Diagnostic utility		and retest. If system still does
	and verify the battery health.		not run from battery only, go
			to step 8.
		No	Battery health is not reported
			good:Replace unit’s battery
			according to test failure result:
			- for not charging,	P10
			- for not recognized,	P11
			- for a consumed battery
			customer will need to
			purchase a replacement one.
8.	Substitute unit’s battery with a	Yes	Replace unit’s battery.	P11
	known-good one to verify that
		No	Replace logic board.	M20
	system starts on battery.
9.	Inspect MagSafe port on	Yes	Go to step 10
	computer for physical damage,
		No	Clean port assembly. Replace	X03
	debris or metal fragments		MagSafe board if necessary.
	attracted to magnetic
	connector and verify that
	MagSafe connector is clean
	and free from defects.
10.	Verify adapter status LED turns	Yes	MagSafe LED on indicates
	on green or orange indicating		power is flowing to logic
	power or battery charge in		board. Go to step 12
	progress.
	A green LED can indicate a	No	Go to step 11
	full battery or a battery not
	recognized.
11.	Reset SMC.Verify that system	Yes	Corrupt SMC state prevented
	powers on after SMC reset.		system power. Issue resolved
			with SMC reset.
		No	Go to step 12.

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MacBook (13-inch, Late 2009) Symptom Charts — Startup and Power Issues  29

12. Reseat the keyboard flex cable	Yes	Power on key works fine, issue
to logic board. A disconnected		resolved.
keyboard or a stuck/open
power-on key can disable		Power on key works when
system powering on. If power		keyboard cable is reseated.
button does not work, use
		Power on key appears to
jeweler’s flatblade screwdriver
to short the Power On pads on		be stuck, had to remove
logic board (see image, left)		keyboard cable to power on.
to power up the logic board.		Replace top case for stuck
If power-on key is stuck,		power on key.	K05
keyboard flex cable might
	No	No logic board power on
need to be disconnected
		when shorting power-on
before shorting pads.Verify
		pads. Go to step 13
that system powers on.
13. Remove logic board and verify	Yes	Replace MagSafe board;	X03
that the MagSafe connector		retest.
is correctly connected		With replaced MagSafe board
underneath logic board.
		and known-good AC adapter	M01
		connected, short Power On
		pins. If system still does not
		power on, replace logic board.
	No	Reseat MagSafe connector on
		logic board and retest.

Won’t Start Up

Unlikely cause: display assembly, speakers, fan, camera, microphone

Quick Check

	Symptom	Quick Check
	Power but No start up	1.	Reset SMC.
	• No startup chime, some video	2.	Verify startup process passes initial memory
	activity, Apple logo, startup
			checks – no beep errors or flashing sleep LED
	spin dial		indicators. Display activity is starting up.
	• Startup chime with possible	3.	Clear PRAM.Verify starts up from user drive.
	beep tones.
		4.	Connect known-good external bootable device
	• Fan, hard drive spin or optical
			and press Option (Alt) key during startup; then
	drive reset sound
			select external startup device to bring up system
	• Sleep LED is on , blinking or
			for diagnostics.
	went out	5.	Verify presence and status of user hard drive. Use
	• Caps Lock LED toggles when
			Disk Utility to repair drive and file permissions.
	pressed

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MacBook (13-inch, Late 2009) Symptom Charts — Startup and Power Issues  30