This is a sample guest message. Register a free account today to become a member! Once signed in, you'll be able to participate on this site by adding your own topics and posts, as well as connect with other members through your own private inbox!
problem: no display no light and home button not working
solution:
no light/display - remove only one capacitor na makikita sa pic then done may display na
home button - remove resistor then take jumper done
proof:
done
Problem: dead sabi ni co tech
action taken:
charge si unit sa power supply okay naman si unit buhay pero walang display at light
okay lahat ng reading sa PSU
so alam na kung anong tamang issue kasi declared ni co tech na u2/tristar ang prob
kaya hanap ako sa tahanan may nakita ako pero di...
problem: wifi grayed out/not working
action taken:
baklas unit
try reball wifi ic no luck
baklas ulit wifi ic
unbind wifi sa nand using PCIE programer
replace wifi ic done
after wifi fix
front camera blackout/not working
check diode mode on fpc J4503
found out pin 7 no connection or OL...
issue: no power fullshort
action taken:
baklas unit
tester (fullshort)
kapa mode para malaman san umiinit
tapos if alam mo na san banda,
pa usokan ensenso para accurate if anong component
diagnosis done shorted component C7_RF
testing unit nag on pero searching lang
need replace C7_RF para...
issue: touch not working
from ka tropa natin
action taken:
baklas unit
baklas touch ic at reball
jumper m1 line pad
salpak balik
nag tatouch ang unit pero putol putol
baklas na naman touch ic at pangalawang touch ic na sa may bandang baba
both replace done
di ko na napicturan yung pag...
tanggap ko from co tech
nag palit daw lcd at okay naman daw
after ilang hours di na nag display at wala ring light
action taken:
baklas unit
check baka may putol na linya sa fpc ng lcd good naman
check baka may shorted na caps near fpc at sa display at backlight ic
no luck
so reheat chesnut...
Problem: touch not working
galing na sa ibang tech kasi naka jumper na m1 na line
action taken:
check capacitor and resistor near touch ic good naman
reheat touch ic no luck
baklas touch ic naka jumper na ang m1 kasi galing na sa ibang planeta, tapos reball at salpak no luck
palit touch ic at...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.