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iPhoneの5代目となるiPhone 4S。このデバイスの修理は比較的簡単で、スクリュードライバー、開口ツールと忍耐が必要です。GSM/CDMA / 16, 32, 64 GB / 白と黒

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Wifi chip Missing those components, can you help me?

Hi guys, i have a motherboard from antiphon 4s that is missing the two components shown in this picture, if you can help me to identify them i'll be grateful.

Here's the picture:

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thank you!

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alti94, lets verify this. The first part is reference designator FL10_RF which is a 2.45GHZ-1.8DB filter in a 0805 package. The next part is reference designator R46_RF which is a 10K 1% 1/32W resistor in a 01005 package (not anything related to 1.8V?????). Please remember that a 01005 package is very, very difficult to solder, even with a microscope. You will have to have special tools and skills to repair this.

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Thats odd, every schematic I looked at showed it as the R95_RF 1.8v. Glad you cleared it up though!

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My reference also says R46_RF 10K 1% 1/32W. Not R95 1.8V..

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THANK YOU SO MUCH. Where can i buy the components?

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Depends on where you live. I'd check mouser.com, digikey.com etc.

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Alti94--what problem are you trying to solve?

I know that phones can live just fine without that big honking filter. I can't imagine that tiny resistor matters either.

If this is greyed out WiFi, with that big filter gone, you're going to have replace the WiFi chip to get it back. Most of the time just the heat from removing the filter will temporarily bring back the function of the WiFi chip---it's not actually reflowing anything, but that is what folks claim. If the "not reflow" didn't bring back WiFi, then you need a new chip.

jessa

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Thank you jesse. I have already replaced the murata wifi chip but the wifi still grey. Days before that, with a "reflow", it turned working but not for so much.. something like a month, than turned grey. During the changing of the chip the motherboard fall from the preheater and i lost the filter and that little component so i though the wifi is not working because of it. What you think about that? Thank you so much!

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ok sorry now is showing

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The big white rectangle you have highlighted in red is called FL10_RF (RF FILTER) and dont quote me on this but the smaller one looks like a missing capacitor. I will research it and let you know asap

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It took some doing but I've found your answer! I've already told you about your RF filter so here is what those tiny little buggers are that you highlighted in the little red box. Its a R95_RF 1.8V Resistor. Hope this helps you!

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alti94 さん、ありがとうございました!
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