Revamped version of the iPhone 3G with faster processing speeds. Repair of this device is similar to the 3G, and requires simple screwdrivers and prying tools. Model A1303 / 16 or 32 GB capacity / black or white plastic back.

1950 Questions View all

Missing part on motherboard, next to blue inductor?

Block Image

Hi all, newby here! I am a R&D engineer in photoprinting and have good basic electronics understanding and skills, however, I am not able to complete this next task. So If any willing to help out and I can send to then GREAT!

My elderly mum has a 3GS, and had it second hand with no issues until yesterday when it slipped from her lap onto a carpeted floor! Immediately she began to have searching for signal issues. I guessed the blue inductor chip, but gave it a shake before hand an could hear the tiniest rattle. On opening and removing the screen immediately I could see some bodged repair area next to the blue inductor, right next to this is either another blue inductor or similar part, this is missing and the area has been 'soldered' at some point. I found no part but a tiny solder bead rolling around. It is far too small for my 50+ year old eyes to sort so can any one help or direct me to someone who will near Wolverhampton/Telford or I can post board to you?

Picture added. Thanks for the pointer of how to upload pics. The 2 small squares show, green part there, red part missing!

Answered! View the answer I have this problem too

Is this a good question?

Score 1

Comments:

Pics will definitely help :-) Use this guide to add them to your question. Adding images to an existing answer

by

Add a comment

1 Answer

Chosen Solution

Gavin, the parts you pointed out are part of the CELLULAR ANTENNA MATCH circuit. From left to right, they are fixed inductor reference designator L3_RF 7.5NH-1.4A-0.080OHM and reference designator L85_RF 1.2NH-1.36A-0.045OHM respectively. They are readily available at places like Mouser.com and Digikey.com (US anyway). Those are actually some inexpensive parts, but they are SMD components and need some special soldering. As you already know, the size is quite small as well. I would try a local radio/TV service shop or even local Colleges, trade school etc. and see if someone can solder those for you. Hope this helps, good luck.

Was this answer helpful?

Score 2
Add a comment

Add your answer

Gavin will be eternally grateful.
View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 0

All Time: 198