Xperia X F5121 No Backlight!!! - GSM-Forum

trax records · 04-25-2017, 17:30

Xperia X F5121 No Backlight!!!
Hi Lads can somebody have schematics or backlight fuse location for that model
Backlight gone after screen replacment

Kalemaroni · 06-04-2017, 23:20

I'm looking for the same - did you ever find anything?

Allan06 · 08-17-2017, 23:58

Hi guys, i have same problem. After replace screen i lost backlight. Maybe someone can help me for located diode broken. I take one picture thanks for your help.

NetworkUnlocking · 10-14-2017, 14:22

Hi, I seem to have some issue also after changing display but mine works until after the Sony and android start up logos then a blank screen?

Anyone else seen this?

hyuga78 · 07-15-2019, 10:48

Up i have same problem... i jump backlight fuse. Its work fine but dont have a display .... il you have a solution???

Thx

BouRRi_GSM · 07-15-2019, 12:21

Quote:

Originally Posted by hyuga78

Up i have same problem... i jump backlight fuse. Its work fine but dont have a display .... il you have a solution???

Thx

Witch power ic use this phone? Maybe i can help you.

hyuga78 · 07-15-2019, 19:08

Quote:

Originally Posted by BouRRi_GSM

Witch power ic use this phone? Maybe i can help you.

Hey, its qualcom pm8004. Thanks a lot

hyuga78 · 07-16-2019, 20:00

Sorry but its pmi8952.

BouRRi_GSM · 07-17-2019, 06:13

Quote:

Originally Posted by hyuga78

Sorry but its pmi8952.

Display is powered by pmi8952, also backlight....
Since u have backlight, LCD ID is detected by device. When lcd is connected, power on the phone and check around pmi8952 and near lcd connector for 5,5v and -5,5v. One of these line seem to be broken.

BouRRi_GSM · 07-20-2019, 14:42

Check.......................

04-25-2017, 17:30	#1 (permalink)
trax records Freak Poster Join Date: May 2013 Location: Ireland, Uk Posts: 243 Member: 1944119 Status: Offline Sonork: 100.1666719 Thanks Meter: 38	Xperia X F5121 No Backlight!!! Xperia X F5121 No Backlight!!! Hi Lads can somebody have schematics or backlight fuse location for that model Backlight gone after screen replacment

06-04-2017, 23:20	#2 (permalink)
Kalemaroni Junior Member Join Date: Jun 2017 Posts: 1 Member: 2723955 Status: Offline Thanks Meter: 0	I'm looking for the same - did you ever find anything?

08-17-2017, 23:58	#3 (permalink)
Allan06 Junior Member Join Date: Jun 2017 Posts: 2 Member: 2729046 Status: Offline Thanks Meter: 0	Hi guys, i have same problem. After replace screen i lost backlight. Maybe someone can help me for located diode broken. I take one picture thanks for your help.

10-14-2017, 14:22	#4 (permalink)
NetworkUnlocking Insane Poster Join Date: Dec 2008 Posts: 81 Member: 920551 Status: Offline Sonork: 100.60461 Thanks Meter: 9	Hi, I seem to have some issue also after changing display but mine works until after the Sony and android start up logos then a blank screen? Anyone else seen this?

07-15-2019, 10:48	#5 (permalink)
hyuga78 Junior Member Join Date: Jul 2019 Location: France Posts: 3 Member: 2918015 Status: Offline Thanks Meter: 0	Up i have same problem... i jump backlight fuse. Its work fine but dont have a display .... il you have a solution??? Thx

07-16-2019, 20:00	#8 (permalink)
hyuga78 Junior Member Join Date: Jul 2019 Location: France Posts: 3 Member: 2918015 Status: Offline Thanks Meter: 0	Sorry but its pmi8952.