820-3126 iMac mid 2011 no video led 4 off

Customer removed the screen and plugged in a damaged lvds flat. Connector looks fine under microscope, but board doesn't detect lcd, already tried new flat and working monitor obviously. in the picture I wrote the voltage I get on the lvds connector.
 

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dukefawks

Administrator
Not much can get damaged besides the connector. You do have J9002 and J9001 connected when testing? External video working?
 

dukefawks

Administrator
Uhm J9002 and J9001 are the needed LCD connections. I mean you do have them both connected when testing the LCD.
 
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