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PREMIUM Y7 Pro 2019 No service kahit palitan ng WTR RF ic. Fixed..!!!

activa2r

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from other shops na bugbog a berna na.. :D :D

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1st reball wtr failed
check antenna switch sa sub board ok walang bakas ng basa..

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pero yung antenna switch sa mainboard may napansin ako

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may bakas ng liquid..
reball lang and done..

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alam ko marami ang naka exp nito sa unit na ito.
wtr 2g PA 4g PA na palitan na no service parin..
may supply kasi yan VIO at CLK signal para sa filter at Wtr
kaya hidi pwedeng balewala..
issue din ito ng mga samsung phone nag palit ka ng sub board walang signal
dahil class a at naka jumper or bypass ang switch kadalasan..
gamit na gamit ang concept na ito hindi lang sa huawei..

lamang kayo dito sa PinoyTechnician dahil unti unti ko nang nilalabas mga references ko..
MErry Christmas in Advance.!!!
 
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