3310 "AUTO TURN OFF"...... - GSM-Forum

neb · 06-22-2001, 00:49

The solution for 3310 auto turn off problem can be solved by lowering the value of R301 resistor network near the MAD2....This envolves changing the value from 2.2K ohms to 100 ohms of the network..

But since its little bit difficult to remove this said resistor..What I did is to add in parallel one 120 ohms resistor on one side of the network nearer the MAD2, thereby lowering also its value....And just leave the other resistor on the network on its original value...

So far the solution also works good for me!!And for those who can't locate the said resistor network just mail me..

Best regards,

neb

<FONT COLOR="#ffff00" SIZE="1">[ 22 June 2001 11:32: Message edited 1 time, lastly by neb ]</font>

emix · 06-22-2001, 13:05

neb pls email me the location of the mad2 where u placed the resistor [email protected]

neb · 06-22-2001, 13:36

Hi emix,

I'm sending you an image file so that you can easily locate R301 (2)2.2k ohms resistor network...Check your mail!

Regards,

neb

trafix · 06-22-2001, 14:38

cud u send me the location too neb?

thanx!

ambot · 06-22-2001, 15:20

hi trafix, i found it (R301 2.2Kohms).. its just beside the N200 (corner side)...

eureka8888 · 06-22-2001, 15:35

hi neb can u also mail it to me, and how to connect in pararell the other resistor(shemeatic), thanks
________
| |
| | | |
r301|_| |_|new resistor
| |
--------

eureka8888 · 06-22-2001, 15:37

sory for the bad scheme! it's ok in edit mode!

trafix · 06-22-2001, 17:13

Thanks all!!

rothmanns · 06-22-2001, 19:40

neb i need ur help again... can u send me a pic where is it located and what to replace??? salamat....

zbomberman · 06-23-2001, 01:07

Can you please send it to me also,

your help is appreciated.

thanks in advance.

cab · 06-23-2001, 02:28

neb,

can you send it to me too.

Thanks in advance and for the fls you sent me. it works!

<FONT COLOR="#ffff00" SIZE="1">[ 23 June 2001 03:29: Message edited 1 time, lastly by cab ]</font>

emix · 06-23-2001, 12:35

thanks neb i have a question for you chech email

rothmanns · 06-24-2001, 20:33

neb tnx for the mail..

but still cant figure it out... where can io buy the parts to solder there???

GsmSolution · 06-24-2001, 22:04

Hi
Can anybody send to me.
Thanks. :-)

neb · 06-25-2001, 00:19

If you have a hard time following the procedure, I suggest you'll try HAMS solution, the removal of L511 chip inductor as per my test it can also solve auto turn off/hanging problem, and its easier compared to lowering the value of resistor network r301.

Regards,

neb

06-22-2001, 00:49	#1 (permalink)
neb Freak Poster Join Date: Dec 1999 Location: Earth Posts: 461 Member: 751 Status: Offline Thanks Meter: 19	3310 "AUTO TURN OFF"...... The solution for 3310 auto turn off problem can be solved by lowering the value of R301 resistor network near the MAD2....This envolves changing the value from 2.2K ohms to 100 ohms of the network.. But since its little bit difficult to remove this said resistor..What I did is to add in parallel one 120 ohms resistor on one side of the network nearer the MAD2, thereby lowering also its value....And just leave the other resistor on the network on its original value... So far the solution also works good for me!!And for those who can't locate the said resistor network just mail me.. Best regards, neb <FONT COLOR="#ffff00" SIZE="1">[ 22 June 2001 11:32: Message edited 1 time, lastly by neb ]</font>

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06-22-2001, 13:05	#2 (permalink)
emix Freak Poster Join Date: May 2001 Location: o(''.'')o Posts: 259 Member: 4647 Status: Offline Thanks Meter: 3	neb pls email me the location of the mad2 where u placed the resistor [email protected]

06-22-2001, 13:36	#3 (permalink)
neb Freak Poster Join Date: Dec 1999 Location: Earth Posts: 461 Member: 751 Status: Offline Thanks Meter: 19	Hi emix, I'm sending you an image file so that you can easily locate R301 (2)2.2k ohms resistor network...Check your mail! Regards, neb

06-22-2001, 14:38	#4 (permalink)
trafix No Life Poster Join Date: Jun 2001 Location: Philippines Age: 47 Posts: 942 Member: 4873 Status: Offline Thanks Meter: 5	cud u send me the location too neb? thanx!

06-22-2001, 15:20	#5 (permalink)
ambot No Life Poster Join Date: Apr 2001 Location: Philippines Posts: 535 Member: 4274 Status: Offline Thanks Meter: 18	hi trafix, i found it (R301 2.2Kohms).. its just beside the N200 (corner side)...

06-22-2001, 15:35	#6 (permalink)
eureka8888 No Life Poster Join Date: May 2001 Posts: 569 Member: 4675 Status: Offline Thanks Meter: 7	hi neb can u also mail it to me, and how to connect in pararell the other resistor(shemeatic), thanks ________ \| \| \| \| \| \| r301\|_\| \|_\|new resistor \| \| --------

06-22-2001, 15:37	#7 (permalink)
eureka8888 No Life Poster Join Date: May 2001 Posts: 569 Member: 4675 Status: Offline Thanks Meter: 7	sory for the bad scheme! it's ok in edit mode!

06-22-2001, 17:13	#8 (permalink)
trafix No Life Poster Join Date: Jun 2001 Location: Philippines Age: 47 Posts: 942 Member: 4873 Status: Offline Thanks Meter: 5	Thanks all!!

06-22-2001, 19:40	#9 (permalink)
rothmanns Freak Poster Join Date: Jun 2000 Location: laguna,philippines Age: 48 Posts: 360 Member: 1544 Status: Offline Thanks Meter: 1	neb i need ur help again... can u send me a pic where is it located and what to replace??? salamat....

06-23-2001, 01:07	#10 (permalink)
zbomberman Freak Poster Join Date: Feb 2001 Location: Canada, Montreal Posts: 224 Member: 3248 Status: Offline Thanks Meter: 2	Can you please send it to me also, your help is appreciated. thanks in advance.

06-23-2001, 02:28	#11 (permalink)
cab Freak Poster Join Date: Apr 2001 Location: Philippines Posts: 122 Member: 4262 Status: Offline Thanks Meter: 0	neb, can you send it to me too. Thanks in advance and for the fls you sent me. it works! <FONT COLOR="#ffff00" SIZE="1">[ 23 June 2001 03:29: Message edited 1 time, lastly by cab ]</font>

06-23-2001, 12:35	#12 (permalink)
emix Freak Poster Join Date: May 2001 Location: o(''.'')o Posts: 259 Member: 4647 Status: Offline Thanks Meter: 3	thanks neb i have a question for you chech email

06-24-2001, 20:33	#13 (permalink)
rothmanns Freak Poster Join Date: Jun 2000 Location: laguna,philippines Age: 48 Posts: 360 Member: 1544 Status: Offline Thanks Meter: 1	neb tnx for the mail.. but still cant figure it out... where can io buy the parts to solder there???

06-24-2001, 22:04	#14 (permalink)
GsmSolution No Life Poster Join Date: Mar 2001 Location: Some where around the world. Posts: 720 Member: 3845 Status: Offline Thanks Meter: 2	Hi Can anybody send to me. Thanks. :-)

06-25-2001, 00:19	#15 (permalink)
neb Freak Poster Join Date: Dec 1999 Location: Earth Posts: 461 Member: 751 Status: Offline Thanks Meter: 19	If you have a hard time following the procedure, I suggest you'll try HAMS solution, the removal of L511 chip inductor as per my test it can also solve auto turn off/hanging problem, and its easier compared to lowering the value of resistor network r301. Regards, neb