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

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

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

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2010-06-11<br />

9. Check for No Backlight<br />

Condition.<br />

Power on unit.<br />

Using a lamp or bright light<br />

source, inspect for faint image,<br />

and verify that any faint image<br />

appears.<br />

10. Verify with Known good<br />

display assembly<br />

Connect known-good display<br />

assembly to system.<br />

11. Verify with reseated backlight<br />

cable or replaced display<br />

assembly<br />

Verify that unit now has v<strong>id</strong>eo<br />

and backlight.<br />

Yes Logo image visible - check<br />

and reseat LVDS cable<br />

connector on logic board.<br />

Inspect cables for damage<br />

near clutches:<br />

. if damaged, replace display<br />

assembly and go to step 11<br />

. if cable is not damaged, run<br />

Clamshell Service Diagnostic<br />

utility and check for LCD<br />

panel presence. If not found,<br />

reseat it and retest, then go<br />

to step 11<br />

No If symptom continues, go to<br />

step 10.<br />

Yes System is functioning with<br />

known-good display assembly<br />

Replace display assembly if<br />

following symptom reporting:<br />

- had no power issue<br />

- had incorrect/missing colors<br />

- had blank v<strong>id</strong>eo<br />

- had distorted / blurred v<strong>id</strong>eo<br />

- had vertical/horizontal lines<br />

- had noise/unstable flickering<br />

- had dim backlight<br />

- had bad spot(s)/pixels<br />

- had no backlight<br />

- could not change resolution<br />

No Symptoms unchanged -<br />

replace logic board<br />

Yes Issue was only due to<br />

damaged display assembly or<br />

unseated cable.<br />

No Display cable damaged the<br />

logic board. Replace logic<br />

board.<br />

<strong>MacBook</strong> <strong>Pro</strong> (<strong>17</strong>-<strong>inch</strong>, <strong>Early</strong> <strong>2009</strong>) Symptom Charts — Startup and Power Issues 43<br />

L09<br />

L01<br />

L02<br />

L03<br />

L04<br />

L05<br />

L06<br />

L07<br />

L08<br />

L09<br />

L10<br />

M03<br />

M25

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