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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 12-09-2011, 19:36   #1 (permalink)
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Iphone 4 layouts


Has somebody the full of this book:
Random Stories from China « bunnie's blog
or this picture:
http://img689.imageshack.us/img689/6...4usbdriver.jpg
It's very important for my.
Thanks
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Old 12-09-2011, 19:41   #2 (permalink)
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Originally Posted by Sillyboy4 View Post
Has somebody the full of this book:
Random Stories from China « bunnie's blog
or this picture:
http://img689.imageshack.us/img689/6...4usbdriver.jpg
It's very important for my.
Thanks
You see logo in photo Digi Tel this person have it.
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Old 12-09-2011, 20:45   #3 (permalink)
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ok, i,ve found the full of that picture with a big logo "digi tel" in the centre of it...(Y) it's on the right place, TO make the photo unusable.. no problem.. How can i tell if a capacitor is faulty, because i have somewhere a short. It was because of a water damage, and there was oxidate on c252's area, maybe the c342_RF is faulty( i can't figure out the number on the photo, but i think that is its number).
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Old 12-09-2011, 20:51   #4 (permalink)
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Originally Posted by Sillyboy4 View Post
ok, i,ve found the full of that picture with a big logo "digi tel" in the centre of it...(Y) it's on the right place, TO make the photo unusable.. no problem.. How can i tell if a capacitor is faulty, because i have somewhere a short. It was because of a water damage, and there was oxidate on c252's area, maybe the c342_RF is faulty( i can't figure out the number on the photo, but i think that is its number).
The most corroded cap might short,sometime when some cap is short it heats.
I unsolder corroded caps until short disappear,and replace if needed.
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Old 12-09-2011, 21:11   #5 (permalink)
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I see. But unfortunately i killed all the, corrosion, so nobody can see which was corroded. And i dont have the knowledge to unsolder anything. But now i see that near the dock connector there is missing FL10 and FL11 i don't know if it jumped off the board or is it originally missing.
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Old 12-10-2011, 00:14   #6 (permalink)
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no my friends its not originally missing you can make jumper FL10 FL11
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Old 12-10-2011, 00:23   #7 (permalink)
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check the resistance between + and - in the terminal battery connector if you have 10-40 0hms its sure LED-Driver the problem and you must to replace this i c in the pic
iphone 4 heat after water.jpg

But When you have 0 ohms, then is a Cap shorted

short_water_damage_bottom.jpg
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Old 12-10-2011, 05:30   #8 (permalink)
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I have 0 ohms, but the led driver could be faulty, because the corrosion was there on the board and i dont know if it killed the driver.
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Old 12-10-2011, 22:43   #9 (permalink)
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you can remove the led driver and test the phone if working or no coz the phone should working without the led driver if the phone working the led driver the problem but of not working check this cap in the pic maybe make short
short_water_damage.jpg
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Old 12-11-2011, 01:58   #10 (permalink)
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The multimeter shows that they make all short.. I'll go crazy because of this... When i connect to the charger none of them are heating, but when i touch the two feet of the cap it's beeping...the battery - and + is bbeping too, the cap's all two feet beeps on the GND. Isn't any method to check those caps without soldering them? How should i test them?
Please ((
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Old 12-11-2011, 02:31   #11 (permalink)
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you should connect the phone to the power supply and checking all the board with your hand if power supply showing 50-80 amp its meaning the cap shorted will be heating early but if the power supply shows 2-10 or 10-30 its meaning you should to waiting maybe 30 min after that the part make short will came heating and you can find that part
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Old 12-11-2011, 18:48   #12 (permalink)
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this the site for buy the layout for iphone 4
Collection of Diagrams for iPhone Troubleshooting & Repair (Chinese & English Languages) - Free Shipping - DealExtreme
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