3310 short-circuited with keys - hot and dead - GSM-Forum

zooboy · 07-28-2003, 11:14

Recently I put my fully-charged N3310 into a bag, after 3-5 min the discharged notification sound appeared. It looked like keys short circuited the bottom area of phone. Phone was hot and after few minutes it went totally out with no opportunity to switch on.
Connecting it to charger didn't bring any results (the screen stayed off). But then I put the other battery and I could turn it on, it works fine (I didn't call, but phone found the network and logged in) but it was getting warmer and warmer and the battery charged bar decrease. So I turn it off. My battery seems to be ok, as it started charging in another phone.
Any idea what's wrong? Does the power amp failed?
Help!

agpla · 07-29-2003, 21:26

or Power supply

zooboy · 07-30-2003, 07:23

What IC should I check? I'm keen on electronics, but never repaired cell phone. I've got N3310 service manual.

Syed · 07-30-2003, 14:22

PA this is teh most common problem of short circuit...check this.....

WBR
Syed

07-28-2003, 11:14	#1 (permalink)
zooboy Junior Member Join Date: Jul 2003 Location: Poland Age: 46 Posts: 2 Member: 35740 Status: Offline Thanks Meter: 0	3310 short-circuited with keys - hot and dead Recently I put my fully-charged N3310 into a bag, after 3-5 min the discharged notification sound appeared. It looked like keys short circuited the bottom area of phone. Phone was hot and after few minutes it went totally out with no opportunity to switch on. Connecting it to charger didn't bring any results (the screen stayed off). But then I put the other battery and I could turn it on, it works fine (I didn't call, but phone found the network and logged in) but it was getting warmer and warmer and the battery charged bar decrease. So I turn it off. My battery seems to be ok, as it started charging in another phone. Any idea what's wrong? Does the power amp failed? Help!

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07-29-2003, 21:26	#2 (permalink)
agpla Freak Poster Join Date: Apr 2003 Location: RO Age: 39 Posts: 148 Member: 25909 Status: Offline Thanks Meter: 1	or Power supply

07-30-2003, 07:23	#3 (permalink)
zooboy Junior Member Join Date: Jul 2003 Location: Poland Age: 46 Posts: 2 Member: 35740 Status: Offline Thanks Meter: 0	What IC should I check? I'm keen on electronics, but never repaired cell phone. I've got N3310 service manual.

07-30-2003, 14:22	#4 (permalink)
Syed No Life Poster Join Date: Jan 2003 Location: Hong Kong. Age: 47 Posts: 3,092 Member: 19979 Status: Offline Thanks Meter: 116	PA this is teh most common problem of short circuit...check this..... WBR Syed