Rep: 11
1
my a1706 mac book pro has no backlight, i can see apple logo on the screen with flash light. trying to check the back light fuse before i go to apple store for expensive repair.
But i don’t know where that fuse is located on the board. If anyone has that layout please help me
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Rep: 782,2 Tsd.
1,1 Tsd.
893
2,3 Tsd.
@mdesai7482 the backlight fuse is a 3A 32V in a 0603 package
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@oldturkey03 Thanks but no luck fuse is ok. still have same issue.
@mdesai7482 if you have experience with board level repair you could trace your backlight circuit. If yo do not I suggest you contact those active users on here that do have the expertise and tools to do this for you. @tcrs_circuit in the USA @reecee in the UK and possibly even @refectio in Canada @arbaman in Sardinia (Italy) ;-) @rany in Lebanon and many others
Thanks
Do you know where is the connector for the backlight?
@mdesai7482 I do not quite follow you with that. What kind of connector? What is on your mind....?
Sorry, I mean any connector that relates with backlight, through which it gets signals from motherboard.
i don't have diagram so trying to trace the circuit of backlight.
or clean that connector see what happens. otherwise apple gave me estimate of $450 to fix it.
Rep: 3,5 Tsd.
6
7
2
Backlight failure other than the screen on these is rare. Fuse failures are almost non existent unless you plug the screen in with power. It is probably a LCD issue. Of course if you have obvious corrosion on the board, address that before blaming the LCD. I’d put my money on the LCD though.
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Since am also facing this issue, I have checked with the New screen, Still no luck. and also Fuse is okay, May I know where is the backlight IC located?
Sorry for the bad English!
Know this is old. But for future searchers.
Apple is offering a 5 year repair window on these, due to backlight cable wearing out prematurely. (apparently, just a little too short)
https://support.apple.com/13-inch-macboo...
and for do it your selfers with skills who just missed the warranty period…
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