c3 dead need your help - GSM-Forum

ren_mglab · 04-04-2013, 06:56

good day to all please help me c3 dead.
no water damage, not grounded,i change transistor the same.
i try to flash with mx-key but can't read the phone.
somebody help me to solved this thanks in advance

**.:SARCAR:.** · 04-04-2013, 20:17

which transistor bro ?

try to clean d whole pcd then check . also reflow or reball juno (power ic) then check .

ren_mglab · 04-05-2013, 00:49

thanks to your reply sir yes i notice that juno will gets hot when you put battery i change it to the new one but problem is the same. try it to reball it again but the same.. juno will not hot anymore... where i get the same juno of c3?

**.:SARCAR:.** · 04-05-2013, 17:35

reball properly , make sure all solder ball's are soldered well .

did u check d unit with software after change juno ? try to replace new juno or from another set then check .

post result

HUM · 04-06-2013, 02:29

power ic is LOVISA
try to change LOVISA
hope ur problem will be solved

ren_mglab · 04-06-2013, 07:57

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reball properly , make sure all solder ball's are soldered well .

did u check d unit with software after change juno ? try to replace new juno or from another set then check .

post result

sir i check it with the software before hardware but mx-key can't read the phone.. and juno gets hot when i put battery.. so i change it right now the phone will not hot anymore but the same... where do i get the same juno?

HUM · 04-06-2013, 18:40

did u try to change power ic LOVISA?

04-04-2013, 06:56	#1 (permalink)
ren_mglab Freak Poster Join Date: Jan 2011 Location: philippines Posts: 321 Member: 1501033 Status: Offline Thanks Meter: 35	c3 dead need your help good day to all please help me c3 dead. no water damage, not grounded,i change transistor the same. i try to flash with mx-key but can't read the phone. somebody help me to solved this thanks in advance

04-04-2013, 20:17	#2 (permalink)
.:SARCAR:. Moderator Join Date: Jul 2006 Location: Midnapore,West-Bengal,India Posts: 5,402 Member: 322206 Status: Offline Sonork: 100.1594813/.:SARCAR:. Thanks Meter: 1,350	which transistor bro ? try to clean d whole pcd then check . also reflow or reball juno (power ic) then check .

04-05-2013, 00:49	#3 (permalink)
ren_mglab Freak Poster Join Date: Jan 2011 Location: philippines Posts: 321 Member: 1501033 Status: Offline Thanks Meter: 35	thanks to your reply sir yes i notice that juno will gets hot when you put battery i change it to the new one but problem is the same. try it to reball it again but the same.. juno will not hot anymore... where i get the same juno of c3?

04-05-2013, 17:35	#4 (permalink)
.:SARCAR:. Moderator Join Date: Jul 2006 Location: Midnapore,West-Bengal,India Posts: 5,402 Member: 322206 Status: Offline Sonork: 100.1594813/.:SARCAR:. Thanks Meter: 1,350	reball properly , make sure all solder ball's are soldered well . did u check d unit with software after change juno ? try to replace new juno or from another set then check . post result

04-06-2013, 02:29	#5 (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	power ic is LOVISA try to change LOVISA hope ur problem will be solved

04-06-2013, 18:40	#7 (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	did u try to change power ic LOVISA?