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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Various > LG > LG Hardware Repair


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Old 04-25-2018, 10:52   #1 (permalink)
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LG G4 - pmi8994


Can anyone let me know number 1 pin of pmi8994 (marked U4200 in service manual ) on the mainboard?
I desoldered pmi8994 but forgot to keep a schematic how pmi8994 was orientated on the PCB.
Or is anyone willing to post a picture of LG G4 mainboard from which I can see the PMI8994?
A picture in service manual is not clear enough.


Thanks.
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Old 04-25-2018, 11:49   #2 (permalink)
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Quote:
Originally Posted by Jane1 View Post
Can anyone let me know number 1 pin of pmi8994 (marked U4200 in service manual ) on the mainboard?
I desoldered pmi8994 but forgot to keep a schematic how pmi8994 was orientated on the PCB.
Or is anyone willing to post a picture of LG G4 mainboard from which I can see the PMI8994?
A picture in service manual is not clear enough.


Thanks.
LG MANUFACTURER
G4 Brand
? Model

please
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Old 04-25-2018, 15:48   #3 (permalink)
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Model is LG H815 .
Thank you for help
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Old 04-27-2018, 07:30   #4 (permalink)
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No one has a possibility to take a picture of a mainboard?
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Old 04-27-2018, 17:49   #5 (permalink)
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try google search for pic
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Old 04-27-2018, 21:15   #6 (permalink)
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Quote:
Originally Posted by Jane1 View Post
Model is LG H815 .
Thank you for help
https://drive.google.com/open?id=1wH...Q9Q83hAl7tScn1
attach

good luck
respects
efrcom
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Old 04-29-2018, 09:43   #7 (permalink)
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Quote:
Originally Posted by Jane1 View Post
Can anyone let me know number 1 pin of pmi8994 (marked U4200 in service manual ) on the mainboard?
I desoldered pmi8994 but forgot to keep a schematic how pmi8994 was orientated on the PCB.
Or is anyone willing to post a picture of LG G4 mainboard from which I can see the PMI8994?
A picture in service manual is not clear enough.


Thanks.

what happened ?
Did you fix it ?
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Old 04-30-2018, 08:17   #8 (permalink)
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@efrcom: Thank you for your reply.
Your post looks like this https://imgur.com/a/V1YCGDk
But I already find another picture ,
see
https://imgur.com/a/YmeSmxH

There I marked with yellow arrow the pin No.1 on PMI8994. Is that really No.1 ? Can you please confirm that?

Can you also please let me know the orientation of the part in red circle?Accidentally it was removed during desoldering PMI8994.
Thanks a lot
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Old 04-30-2018, 10:03   #9 (permalink)
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Quote:
Originally Posted by Jane1 View Post
@efrcom: Thank you for your reply.
Your post looks like this https://imgur.com/a/V1YCGDk
But I already find another picture ,
see
https://imgur.com/a/YmeSmxH

There I marked with yellow arrow the pin No.1 on PMI8994. Is that really No.1 ? Can you please confirm that?

Can you also please let me know the orientation of the part in red circle?Accidentally it was removed during desoldering PMI8994.
Thanks a lot
PMI8994
https://drive.google.com/file/d/1r2P...oUwSLENXj/view

diode
https://drive.google.com/file/d/1W7J...mnBkJxHoo/view

good luck
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Old 04-30-2018, 15:42   #10 (permalink)
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Thanks a lot! Now I successfully open the attachments
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