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REFERENCE iPhone XR No Display Fixed

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Doc Tech

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Good Day mga idol!

Share ko lang iPhone XR No Display.

History: Pinapalitan daw LCD tapos after a day nawala na display at tinest ulet sa ibang lcd pero ganun parin.

Solution and Screenshots:

First move ko is check ko muna rail ng chestnut ic and ok naman ang pp5v7_display_vddh pero sa other rails ay puro leaky kaya doubt nako agad sa chesnut ic pero xempre try ko alisin ang ibang caps at baka dun parin.

Remove ko chesnut ic and then test ko ulet and wala na leak. Kinuha ko same model sa xr din ang chestnut ic and after replace trst ko muns ung leaky rails nya at aun normal na. Test ko na unit and okey na.

IMG_1226.jpegIMG_1225.jpegIMG_1245.jpegIMG_1259.jpegIMG_1262.jpegIMG_1268.jpegIMG_1269.jpeg

Thanks for viewing!
 
Mag ask lang ako sana. if yung rail ba na pp5v7 is dapat present ang 5.7v kapag mag tester?
 
Good Day mga idol!

Share ko lang iPhone XR No Display.

History: Pinapalitan daw LCD tapos after a day nawala na display at tinest ulet sa ibang lcd pero ganun parin.

Solution and Screenshots:

First move ko is check ko muna rail ng chestnut ic and ok naman ang pp5v7_display_vddh pero sa other rails ay puro leaky kaya doubt nako agad sa chesnut ic pero xempre try ko alisin ang ibang caps at baka dun parin.

Remove ko chesnut ic and then test ko ulet and wala na leak. Kinuha ko same model sa xr din ang chestnut ic and after replace trst ko muns ung leaky rails nya at aun normal na. Test ko na unit and okey na.

View attachment 29835View attachment 29836View attachment 29837View attachment 29838View attachment 29839View attachment 29840View attachment 29841

Thanks for viewing!
Good Day mga idol!

Share ko lang iPhone XR No Display.

History: Pinapalitan daw LCD tapos after a day nawala na display at tinest ulet sa ibang lcd pero ganun parin.

Solution and Screenshots:

First move ko is check ko muna rail ng chestnut ic and ok naman ang pp5v7_display_vddh pero sa other rails ay puro leaky kaya doubt nako agad sa chesnut ic pero xempre try ko alisin ang ibang caps at baka dun parin.

Remove ko chesnut ic and then test ko ulet and wala na leak. Kinuha ko same model sa xr din ang chestnut ic and after replace trst ko muns ung leaky rails nya at aun normal na. Test ko na unit and okey na.

View attachment 29835View attachment 29836View attachment 29837View attachment 29838View attachment 29839View attachment 29840View attachment 29841

Thanks for viewing!
galing lupit mo lods..
nice one lods..
good job..
malaking tulng po ito sa baguhan...
 
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