x35 microphone problem - GSM-Forum

platy · 03-03-2002, 01:30

Hi, i searched in history of this forum, but i havent found it, there
are many problems with speaker of x35 but not microphone, i
have one unit (c35) which have not-working microphone, but this
microphone is good! problem is somewhere on the board, does
anybody know where?

thanx
Platy

pornopig · 03-03-2002, 23:19

tha problem is bad opened phone...
you (or someone) open tha phone and remove tha microphone devices tha pcb. check tha system connector neighbourhood

regards
****opig

platy · 03-03-2002, 23:32

what do you mean? board is clean and nothing is missing there!
Platy

PS: I am sure that nothing missing near system connector!

pornopig · 03-03-2002, 23:48

tha bottom man... if tha system connector down left side have some capacitor and resistor _always_ here removing tha parts...
screwdriver rulez

regards
****opig

platy · 03-04-2002, 01:20

Yes, there`s everything OK!
what should I do?
Platy

ARS · 03-05-2002, 18:41

Check if it works with hends free, if not, try to rehot PCB, dont know what component exactly.
I have here one C35, no speeker no microphone works, even not with HF, after rehoting works both with HF, but speeker still no work.

platy · 03-06-2002, 01:14

yes, with HF it works!
do u know what should i do?
thanx
Platy

ARS · 03-06-2002, 01:47

try resoldering with hot air, dont know which components exactly, i did not find out to which IC is speeker and microphone connected.

D-Brain · 03-06-2002, 03:46

Try to resolder CPU "PMB2851E" and IC "PMB2906" with hot air.

Also check the mic connector in the front housing if it's bended and cleaned.

03-03-2002, 01:30	#1 (permalink)
platy Freak Poster Join Date: Mar 2001 Location: Czech Republic Posts: 295 Member: 3714 Status: Offline Thanks Meter: 6	x35 microphone problem Hi, i searched in history of this forum, but i havent found it, there are many problems with speaker of x35 but not microphone, i have one unit (c35) which have not-working microphone, but this microphone is good! problem is somewhere on the board, does anybody know where? thanx Platy

03-03-2002, 23:32	#3 (permalink)
platy Freak Poster Join Date: Mar 2001 Location: Czech Republic Posts: 295 Member: 3714 Status: Offline Thanks Meter: 6	what do you mean? board is clean and nothing is missing there! Platy PS: I am sure that nothing missing near system connector! Last edited by platy; 03-03-2002 at 23:34.

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03-03-2002, 23:19	#2 (permalink)
pornopig Freak Poster Join Date: Aug 2001 Location: Tha Home of DirkDiggler Posts: 120 Member: 5908 Status: Offline Thanks Meter: 1	tha problem is bad opened phone... you (or someone) open tha phone and remove tha microphone devices tha pcb. check tha system connector neighbourhood regards ****opig

03-03-2002, 23:48	#4 (permalink)
pornopig Freak Poster Join Date: Aug 2001 Location: Tha Home of DirkDiggler Posts: 120 Member: 5908 Status: Offline Thanks Meter: 1	tha bottom man... if tha system connector down left side have some capacitor and resistor _always_ here removing tha parts... screwdriver rulez regards ****opig

03-04-2002, 01:20	#5 (permalink)
platy Freak Poster Join Date: Mar 2001 Location: Czech Republic Posts: 295 Member: 3714 Status: Offline Thanks Meter: 6	Yes, there`s everything OK! what should I do? Platy

03-05-2002, 18:41	#6 (permalink)
ARS No Life Poster Join Date: Dec 2000 Location: Slovakia, Brezno Posts: 980 Member: 2721 Status: Offline Thanks Meter: 23	Check if it works with hends free, if not, try to rehot PCB, dont know what component exactly. I have here one C35, no speeker no microphone works, even not with HF, after rehoting works both with HF, but speeker still no work.

03-06-2002, 01:14	#7 (permalink)
platy Freak Poster Join Date: Mar 2001 Location: Czech Republic Posts: 295 Member: 3714 Status: Offline Thanks Meter: 6	yes, with HF it works! do u know what should i do? thanx Platy

03-06-2002, 01:47	#8 (permalink)
ARS No Life Poster Join Date: Dec 2000 Location: Slovakia, Brezno Posts: 980 Member: 2721 Status: Offline Thanks Meter: 23	try resoldering with hot air, dont know which components exactly, i did not find out to which IC is speeker and microphone connected.

03-06-2002, 03:46	#9 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	Try to resolder CPU "PMB2851E" and IC "PMB2906" with hot air. Also check the mic connector in the front housing if it's bended and cleaned.