i727 working but full short ( any solution ) - Page 2 - GSM-Forum

HUM · 05-27-2015, 04:29

is this booting ic near battery connecter ?

Munir · 05-27-2015, 06:05

Quote:

Originally Posted by HUM

this area getting hot

wat is the working of this ic ?
i rehot this ic and now when power on the set show samsung and suddenly display goes black and nothing happen on press power switch , but when i remove the battery it seems that set is working in background

In 2nd photo three big ic are 3g pa and near display connector is display related either lcd volts or lcd detection ic, refresh or replace is it.

In 3rd photo near bat connetor is charging ic. vbat is also conneted in this ic so refresh it.

HUM · 05-27-2015, 06:09

after rehot the ic in 3rd pic set not fully on ,only show samsung and after minute black display

HUM · 05-27-2015, 06:16

how to chk shorted ceramic caps without removing from pcb ?

Munir · 05-27-2015, 06:32

Quote:

Originally Posted by HUM

how to chk shorted ceramic caps without removing from pcb ?

not possible without removing.

05-27-2015, 04:29	#16 (permalink)
HUM No Life Poster Join Date: Jul 2005 Location: karachi Posts: 8,673 Member: 161728 Status: Offline Sonork: 100.1582708 Thanks Meter: 2,237	is this booting ic near battery connecter ?

05-27-2015, 06:09	#18 (permalink)
HUM No Life Poster Join Date: Jul 2005 Location: karachi Posts: 8,673 Member: 161728 Status: Offline Sonork: 100.1582708 Thanks Meter: 2,237	after rehot the ic in 3rd pic set not fully on ,only show samsung and after minute black display

05-27-2015, 06:16	#19 (permalink)
HUM No Life Poster Join Date: Jul 2005 Location: karachi Posts: 8,673 Member: 161728 Status: Offline Sonork: 100.1582708 Thanks Meter: 2,237	how to chk shorted ceramic caps without removing from pcb ?