Apple Technician Guide MacBook Pro (17-inch, Early 2009) - tim.id.au

2010-06-11
2. Verify display listed in the
System Profiler’s Graphics/
Displays device tree is not
disappearing intermittently
(refresh System Profiler to
observe).
3. Inspect and reseat the LVDS
cable and camera cable
connection between display
and logic board. Also test
if brightness setting is a
contributing factor. Has
flickering stopped?
4. Substitute a known good
display assembly to test logic
board video output. Has
flickering stopped?
5. Verify source of noise is
electrical, not mechanical.
Audio noise should not
be a concern since LCD
components are all solid
state devices including LED
backlights.
Mechanical/Physical Damage
Quick Check
Yes Power and LCD panel ID are
OK. Go to step 3.
No Go to No Video symptom
code flow.
Yes Loose cable connection. Issue
resolved.
No Go to step 4.
Symptom Quick Check
Mechanical/Physical Damage
• Broken glass
• Broken hinge
• Stripped screw/head
• Stripped screw boss
• Dent or scratch to chassis
Yes Replace display assembly. L06
No Replace logic board. M04
Yes Noises that are not audible
from the normal user position
are considered acceptable.
Return unit to the user.
No Noise from other source. Go
to P04 Noise/Hum/vibration.
1. Determine damage caused by user/technician
environment, accidental damage, or abuse.
2. Inform user/technician the failures are not
covered by Apple warranties. Refer to
http://www.apple.com/legal/warranty
MacBook Pro (17-inch, Early 2009) Symptom Charts — Display 78