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


Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section.

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Old 10-10-2012, 11:51   #1 (permalink)
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nokia n900


Dear i have nokia n900 handfree connect properly but no sounds..all link are working but no audio plzz any help..................
i have chnaged audio i.c + handsfree jeck also...butt problem is same..
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Old 10-10-2012, 16:31   #2 (permalink)
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Brother first change the Headphone Amplifier (N4070) then headphone ic (N4040). Post result...
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Old 10-11-2012, 09:27   #3 (permalink)
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Quote:
Originally Posted by Sagitarious View Post
Brother first change the Headphone Amplifier (N4070) then headphone ic (N4040). Post result...
Dear i don,t have schematic of n900 ..thats why plzz if u have pic then upload here for guidance plzzzzzzzzzzzzzzzzzzz
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Old 10-11-2012, 10:28   #4 (permalink)
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@arean ,

first remove esd protector (R4079) ic then check , if same reflow or replace headphone amplifier ic (N4070) .

post result here .
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File Type: jpg N900_headphone_problem.JPG (71.9 KB, 52 views)
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Old 10-11-2012, 17:25   #5 (permalink)
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Quote:
Originally Posted by .:SARCAR:. View Post
@arean ,

first remove esd protector (R4079) ic then check , if same reflow or replace headphone amplifier ic (N4070) .

post result here .
Thhnxxx Alot... Dear
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