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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 02-24-2012, 07:58   #3046 (permalink)
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Quote:
Originally Posted by Wites View Post
Resolder connector then clean with thinner.
Look in schematic that i post FL6,FL9,FL12 and FL16 if are not missing or check for beep if no beep then you know what to do to this kind of filters.
Hello dear
Thanks for your reply
i cant find a good schimatis for iphone4, i need a schimatis with the board components, maybe you can help, thanks
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Old 02-24-2012, 08:17   #3047 (permalink)
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i have this schimatis for iphone4 but i think i need the partes location on the board..... as nokia schimatis
Attached Files
File Type: zip iPhone_4_Schematics.pdf.zip (278.3 KB, 341 views)
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Old 02-24-2012, 15:14   #3048 (permalink)
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Quote:
Originally Posted by cikoo View Post
to change complete lcd,but it doesn't work.

____________________
mobile phone spare parts
and the problem is??
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Old 02-24-2012, 16:58   #3049 (permalink)
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help i have iphone 4 its track problm i have jumped it but my mobile now charg so slow just 6 to 7 person and restart after some time so pls help where is problm

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Old 02-25-2012, 10:55   #3050 (permalink)
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iphone 3g dead no shorting help plz

iphone 3g dead no shorting help plz
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Old 02-25-2012, 19:29   #3051 (permalink)
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Iphone 4 no sound from internal speaker after screen change

Hi folks

Changed out my screen and since replacing it my internal speaker seems to be dead. I tried to swap to another speaker module but that is dead also so clearly the problem is elsewhere and presumably as a result of my screen change!

I've had a good run through all of the connectors that I've moved and all appear to be good.

The earpiece speaker works fine as does the headphone jack and the external dock connector.

Thoughts welcomed from anyone who knows their way around the innards of an Iphone 4!

Cheers
Steve
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Old 02-26-2012, 02:41   #3052 (permalink)
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iphone 4g charg not save & not recognize phone

please help .iphone 4g charg not save.. & charging not recognized. iam all ready chaing power ic& check all usb ways... please help
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Old 03-01-2012, 05:44   #3053 (permalink)
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hi wites i have a iphone whit camera front problem some time freeze and noise imagen do you know if this camere is related whit pmic i reball the pmic the iphone 4 because is dead and work again but the only problem is the front camera only work for a moment and now the noise is motherboard problem
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Old 03-01-2012, 20:58   #3054 (permalink)
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Quote:
Originally Posted by karmannolet1 View Post
hi wites i have a iphone whit camera front problem some time freeze and noise imagen do you know if this camere is related whit pmic i reball the pmic the iphone 4 because is dead and work again but the only problem is the front camera only work for a moment and now the noise is motherboard problem
Did you test with other camera,if no try other?
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Old 03-01-2012, 22:06   #3055 (permalink)
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yes i try whit other and is the same and in other working board the cameras work i solve similar problem in iphone 3g 2g i change filter but on this board iphone 4 i dont know i remplace the filter near from connector of front camera but nothing
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Old 03-01-2012, 23:14   #3056 (permalink)
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Quote:
Originally Posted by Wites View Post
If other lcd not fix with this solution 100% will fix.

By wites13 at 2012-01-12
I know people use my solutions but not press thanks,thanks to people that support me.

Goodevening Mr. Wites,
Looking great job as always dear ,
i found this picture of you and was just thanking *** that you are here for helping us so *** bless you really,

i have a motherboard 3gs 16gb which everything works perfect only the backlight problem which i have changed the 6r8 3-4 times then i have a 2000watt hot air gun (normal for paint etcc.. with 2 stands of 300c and 600c), but i wrapped the motherboard with kapton tape and could remove in 1 minute the 109ic (it was the 1st time for me) but looks ok and backlight didn't work then i was doubting if i did it not ok,, then again replace it and also not working , made long jumper from pin 1 (109ic)to pin 3 at lcd connector with a thin cable and also no joy,

SO THIS METHOD (in you picutre) will be my charm ! and you think gonna work ( i don't have multimeter to test diodes behind) even if i have i don't know where should i put the meter on voltage or another place and the red or black color meter pins to be on which point or no matter.

i have soldered on this motherboard connector 1 (lcd) which was damaged and i wel soldered it ,but there is some solder on the pins above so it is not more copper colour but a silver color from solder ( i tried as much as i can to remove that using chipquik flux with wrick desolder wire ) but still no backlight... so i don't think that this is the problem .

should i now only make jumper (soldering thin wire as the green and the red line on the picture , so only from the begin point green to pin 1 and red point to pin 3 or Pin 2 cause in the picture seems no. 2 and not 3? is this right ???

please i need your advice very badly ,
thanks in advance
best regards
dany
The Netherlands

Last edited by dany1962; 03-01-2012 at 23:23.
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Old 03-02-2012, 01:58   #3057 (permalink)
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hi dear Wites,
me again, with just made pictures under microscope of my motherboard's lcd connector and back side diodes , please check and tell me as possible.








thanks in advance
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Old 03-02-2012, 07:56   #3058 (permalink)
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iphone 3gs sorting,,,help.........
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Old 03-02-2012, 12:30   #3059 (permalink)
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Quote:
Originally Posted by dany1962 View Post
hi dear Wites,
me again, with just made pictures under microscope of my motherboard's lcd connector and back side diodes , please check and tell me as possible.
thanks in advance
I not think that solder on gold plated pins is problem.
First is green second is red.
Components in second photo is not related to light.
In third photo is also right how you draw but before make jumpers check this 2 ways if they arrive to LCD connector then no need to make red and green,also check 2 black filter with multimeter they must show from 0 omh to 1 omh this mean they are good if nothing show they are bad,also check between green and red that they not short with each other,post result.

Last edited by Wites OM Tesla; 10-28-2012 at 00:06.
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Old 03-02-2012, 16:53   #3060 (permalink)
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Thanks a million Mr. Wites, i have a normal meter , phtoto attached ,is this ok do you think ? cause i never used it , only to test a voltage for batteries, but pls which things i can put on it to use it for diodes please, so pls which stand i can use like 20K or 20m or
this meter doesn't support what i want.!
otherwise i just make the green and red and try (blind test you can say).

thanks again dear.



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