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REFERENCE Oppo A7 No Network Done

boojooc

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oppo a7 no signal common problem ng qualcom chip!
missing at 1.8 vreg based upon my checking dala ng tumer tagal ng hindi nagamit so need ng cp

1st ko ginawa is to check the common ways, antena, network status, filters ng PA so hindi ko nasagap ang probs doon, so i need to do voltage checking sa paligid ng signal parts & i discover upon my checking gamit ang tester wala palang dumadaloy na 1.8v around WTR2965 at yun i try to change the part at good ways naging ok na sya.

383358740_283594294452855_7150758352078410477_n (1).jpg

take note:
sapag papalit ng WTR2965 mas mainam na rereball muna bago lapat lalo na pag galing shopee yung ic's na naibili,
minsan kasi hindi pantay din pagka gawa.

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383255114_7215810841780353_2879283323271477156_n.jpg

sana mkatulong
thank you!
 

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