R310 after change power supply can power on, but only 2 seconds dead back - GSM-Forum

genocite · 01-24-2003, 19:06

R310 already change power supply, after switch on for 2 seconds, dead back, change the power supply again, alive again, but after 2 seconds dead back, already terminating 5 pieces of power supply ? any hints

Regards

opo · 01-25-2003, 03:49

Some friend's of mine told me there are some who sell bad PA....another posibility is that you baked the PA....Don't use more then 300°C...and be sure that you make good contact between PCB and PA...By the way,don't start the phone while it is steel hot cause you'll break it(PA I mean)..

genocite · 01-26-2003, 07:02

no, the one which burn out is not the pa, it's the power supply module

CellM@n · 01-27-2003, 21:46

hi friend...

pa could be the problem too, just give it try.

genocite · 01-28-2003, 17:21

okay ... i'll give it a try and posting the result

thanks for all the reply friends

Regards

01-24-2003, 19:06	#1 (permalink)
genocite No Life Poster Join Date: Jul 2001 Location: md Age: 25 Posts: 761 Member: 5379 Status: Offline Thanks Meter: 0	R310 after change power supply can power on, but only 2 seconds dead back R310 already change power supply, after switch on for 2 seconds, dead back, change the power supply again, alive again, but after 2 seconds dead back, already terminating 5 pieces of power supply ? any hints Regards

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01-25-2003, 03:49	#2 (permalink)
opo No Life Poster Join Date: Oct 2002 Location: Shenzhen China Age: 68 Posts: 1,074 Member: 16350 Status: Offline Sonork: 110823 Thanks Meter: 42	Some friend's of mine told me there are some who sell bad PA....another posibility is that you baked the PA....Don't use more then 300°C...and be sure that you make good contact between PCB and PA...By the way,don't start the phone while it is steel hot cause you'll break it(PA I mean)..

01-26-2003, 07:02	#3 (permalink)
genocite No Life Poster Join Date: Jul 2001 Location: md Age: 25 Posts: 761 Member: 5379 Status: Offline Thanks Meter: 0	no, the one which burn out is not the pa, it's the power supply module

01-27-2003, 21:46	#4 (permalink)
CellM@n No Life Poster Join Date: Feb 2001 Location: Planet EARTH Age: 50 Posts: 1,209 Member: 3194 Status: Offline Thanks Meter: 41	hi friend... pa could be the problem too, just give it try.

01-28-2003, 17:21	#5 (permalink)
genocite No Life Poster Join Date: Jul 2001 Location: md Age: 25 Posts: 761 Member: 5379 Status: Offline Thanks Meter: 0	okay ... i'll give it a try and posting the result thanks for all the reply friends Regards