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820-01598-A no backlight
- Thread starter iremont
- Start date
First of all, welcome to the forum!
Do you mean these signals have been measured without U8400 soldered on the board?
Isn't this machine still under warranty?
Check if the LCD assembly can still be changed under Apple program.
Do you mean these signals have been measured without U8400 soldered on the board?
Isn't this machine still under warranty?
Check if the LCD assembly can still be changed under Apple program.
What do you expect to get without U8400???
Please solder it back and post signals.
Please solder it back and post signals.
Post BKLT_SD level and voltage at both pins of D8410.