Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
2010-08-05<br />
Functional Overview<br />
Refer to this diagram for symptoms related to MacBook Pro (15-inch, 2.53 GHz, M<strong>id</strong> 2009) logic<br />
board connectors.<br />
-no hdd visible in system<br />
profiler<br />
-no sleep led status<br />
-no infrared reception<br />
-no power on (if shorting<br />
SMC)<br />
Battery:<br />
-not running when on<br />
battery only<br />
-no power on if<br />
insufficient power adapter<br />
-no battery level<br />
Trackpad +<br />
trackpad button thermal<br />
sensor:<br />
-no cursor movement,<br />
-no click action<br />
-unit running slow (no<br />
sensor input)<br />
Keyboard + power<br />
on button:<br />
-no power on with<br />
keyboard<br />
-dead keys<br />
Sata hard drive + Sleep led<br />
+ Infrared sensor:<br />
Ram:<br />
-no boot,<br />
-freeze or kernel panic<br />
-v<strong>id</strong>eo artifacts<br />
Battery indicator leds+<br />
battery level button +<br />
magnetic sleep<br />
sensor:<br />
-no battery error<br />
indication,<br />
-no battery level while<br />
charging<br />
-no sleep when<br />
clamshell closed,<br />
-no v<strong>id</strong>eo on internal<br />
display (sensor stuck)no<br />
battery level shown if<br />
button pressed<br />
Right Speaker and<br />
Subwoofer:<br />
-no sound from right speaker<br />
or woofer<br />
-distorted right or center<br />
sound<br />
Left speaker<br />
-no left sound,<br />
-distorted left sound<br />
Microphone<br />
-no integrated sound<br />
input<br />
Sata optical drive:<br />
-no odd visible,<br />
-no boot from odd<br />
Connectors located on<br />
the other s<strong>id</strong>e of the<br />
MLB:<br />
Clamshell to Airport,<br />
Bluetooth, webcam and<br />
ambient light sensor:<br />
-any of these<br />
communications failing<br />
-no keyboard backlight<br />
activation possible<br />
-no startup if shorted<br />
Airport cable<br />
Keyboard<br />
backlight:<br />
-no keyboard<br />
backlight<br />
Fan :<br />
-intermittent shutdown<br />
-freezes<br />
-noisy fan<br />
LCD + backlight:<br />
-no v<strong>id</strong>eo on internal lcd<br />
-no backlight<br />
Magsafe connector<br />
(underneath mlb):<br />
-no power on<br />
-no battery charge<br />
-no led on adapter<br />
MacBook Pro (15-inch, 2.53 GHz, M<strong>id</strong> 2009) General Troubleshooting — Functional Overview 25
Change language