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I have changed the power button cable to my Iphone5, then it keeps in restarting every 3~5 minutes, when I check the logic board I found it missed 3 part "resistors or capacitors"? I am not sure.
attached photo for that area, and I need your help to identify which parts those are, and from where to buy?
Thanks in advance.
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From left to right:
C9, C279, FL11
C9 is just a ripple filter, you won't die without it.
C279 is a filter for battery management I/O
FL 11 is an inductor for battery management I/O. Without it the system cannot read battery status so it keeps powering off as a safety measure.
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Hi there! Can I replace that C279 capacitor with for example C67 100PF 16V 5% capacitor? What is that (PF)? Thanks
PF = picofareds
But is the FL11 present in like the ipad pro? because it keeps powering off and i cannot read battery status?
thankss in advance
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Ramadan, this is strictly to augment Tom Chai's answer. He is absolutely correct and I do just want to complete the answer to your question.
Reference designator C9 is a 56PF 16V 5% capacitor in a 01005 package
Reference designator C279 is a 56PF 16V 5% capacitor in a 01005 package
Reference designator FL11 is a 120OHM-210MA filter (TDK MMZ0402S121C)
All parts should be available at places like Mouser.com or Digikey.com as well as many others.
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I found it is too expensive to order that items from Mouser.com to Egypt, so! do I have any other chance to fix that loop of restart with less cost$?
Mouser and Digikey are just the stores I use in the US. I am certain there are suppliers that are closer to you. Just out of curiosity, how much were they going to charge you?
for the ( C9 + C279 )
MERCHANDISE TOTAL:
$0.57
SHIPPING CHARGE:
$75.00
ORDER TOTAL:
$75.57
But: the FL11 they said (Minimum Order 16000
), so it seems it is impossible for me to import them....
* If any one can help me with that ... it would be highly appreciated.
Another concern,
here in Egypt I meet some technicians said to me they know how it fix this reboot issue without replacing those items! is that right ??? as I feel that is wrong to do, I think all I need is: to replace that parts only.
FL11 would give you trouble. It is needed to monitor the battery. Contact me by email, I could probably send the parts to you for way less. FL11 is available at digikey.com for $0.26
is F11 a part that needs to be soldered on?
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iphone 4 2 motherboard 2 pad conector on the p.c. board was fall where the conector of battrey and 2 capacitores c9 c279 how can i soldering the connector of battrey when 2 pad from p.c. fall?
or if i send you from isreal the 2 motherboard how much its cost to fix it?to send to isreal or show me i can fix 2 pad that fall?where i can buy 2 cap.
c9 c279 mor cheap?
thank you
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use a schematic. locate the missing filter on the schematic, then search a dead board for same filter
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1 Kommentar
I had a similar self-inflicted issue caused by my gorilla hands trying to remove a stubborn battery and getting impatient. Prying on the battery in the area of the battery connector whacked the FL11 battery management inductor. The phone reboots every 2 - 3 minutes because the battery is no longer being detected. The battery diagnostic information indicates no voltage or current, and 0 charge cycles - I'd say that's a pretty good clue for FL11 pry damage. Now to see if I can get it fixed...
von Dave Crosby