full graphic smart lcd controller NO SD CARD DETECTED FOR LONG CABLE
January 19, 2019 10:36AM
hi guys my FULL GRAPHIC SMART LCD CONTROLLER is broken so i change it by buying an new FULL GRAPHIC SMART LCD CONTROLLER...

the problem is : my new FULL GRAPHIC SMART LCD CONTROLLER cant read my SD card i get always NO SD CARD but if i put the small cables i can read my SD card !!!!!!!! so with my new FULL GRAPHIC SMART LCD i cant learn my SD card if i use a long cable why please ?

look at the size of cables in pictures:

[ibb.co]
[ibb.co]
[ibb.co]





what should i do :/ i need a long cable :/

my long cable i made it with this cable:
[www.aliexpress.com]

why my old broken FULL GRAPHIC SMART LCD CONTROLLER can learn SD CARD with a long cable, and my new FULL GRAPHIC SMART LCD CONTROLLER cant learn it ?

is there any problem in ramps ? jumper ? marlin need more configuration ???

help please
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