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820-3476 no image
- Thread starter No-Clean
- Start date
Do you get image, only missing backlight???
Check for USB activity at least.
Check for USB activity at least.
No-Clean
Member
Sorry, I was testing this with a bad LCD, with good LCD I get folder no backlight.
Sorry for the tonto question, but is there a screen I can use to test all this boards that use the same connector, say a retina 13" on a retina 15" diferent model year? How about an Air screen on a retina board? I know this is silly to ask but I don't have many parts to test and I am curious about this.
Sorry for the tonto question, but is there a screen I can use to test all this boards that use the same connector, say a retina 13" on a retina 15" diferent model year? How about an Air screen on a retina board? I know this is silly to ask but I don't have many parts to test and I am curious about this.
First check on schematic if LCD connectors have the same layout.
Second, and most important, Apple changed LCD firmware like hell; almost every year.
You can find on Internet some screen compatibility; on the forum should find something too.
Second, and most important, Apple changed LCD firmware like hell; almost every year.
You can find on Internet some screen compatibility; on the forum should find something too.
"PPVOUT_S0_LCDBKLT is 0v"
Still the same at LCD connector?
Still the same at LCD connector?
No-Clean
Member
Post voltage and diode mode at SCL/SDA lines of U7700.
We still pending about history fault.
Also post diode mode to ground at both pins of D7710.
We still pending about history fault.
Also post diode mode to ground at both pins of D7710.