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 Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au

 Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au

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2010-08-05<br />

Deep Dive: Non-uniform Brightness<br />

Check Result Action Code<br />

1. Determine if brightness<br />

uniformity issue is visible after<br />

display has warmed up for <strong>15</strong><br />

minutes.<br />

2. Check LVDS cable connection<br />

to logic board and verify if<br />

brightness issue disappeared..<br />

3. Determine if variation in<br />

uniformity appears excessive<br />

when compared to another<br />

similar unit.<br />

Yes Go to step 2.<br />

No Display backlight can take<br />

several minutes to stabilize.<br />

Yes Reseated LVDS cable solved<br />

the backlight control. Issue<br />

resolved<br />

No Got to step 3<br />

Yes Replace display assembly. L07<br />

No Explain to user that<br />

LCD appears to meet<br />

specifications.<br />

<strong>MacBook</strong> <strong>Pro</strong> (<strong>15</strong>-<strong>inch</strong>, <strong>M<strong>id</strong></strong> 2010) Symptom Charts — Display 68

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