help problem in 7210 speaker...... - GSM-Forum

RAHUL12345 · 05-24-2004, 16:27

hi ......
I have 7210 in which there is speaker problem.Loudspeaker and handsfree works perfectly.
Tred changing speaker but no solution.Also resoldered components near speaker pad.
plz help me in sorting out this problem.
Is there any jumper trick???

Thanx in advance.....

Platijet · 05-24-2004, 22:54

if its from water damage then check lines to speaker,but usually this is UPP or UEM cold solders,try to rehot them

Engineer · 05-27-2004, 10:27

check change speaker, check pins arn't bent on the speaker, as you re assemble it !!
if you have no speaker, then you'll have no keytones...
change L150, i think thats the component, on the top of the board...
still no luck, check change R161, R152, C166, ---> UEM

[email protected]

05-24-2004, 16:27	#1 (permalink)
RAHUL12345 Freak Poster Join Date: Mar 2004 Location: India (Mumbai) Age: 42 Posts: 113 Member: 59915 Status: Offline Thanks Meter: 4	help problem in 7210 speaker...... hi ...... I have 7210 in which there is speaker problem.Loudspeaker and handsfree works perfectly. Tred changing speaker but no solution.Also resoldered components near speaker pad. plz help me in sorting out this problem. Is there any jumper trick??? Thanx in advance.....

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05-24-2004, 22:54	#2 (permalink)
Platijet No Life Poster Join Date: Apr 2003 Location: Greece Age: 47 Posts: 3,358 Member: 26279 Status: Offline Thanks Meter: 274	if its from water damage then check lines to speaker,but usually this is UPP or UEM cold solders,try to rehot them

05-27-2004, 10:27	#3 (permalink)
Engineer Freak Poster Join Date: Nov 2003 Posts: 325 Member: 44658 Status: Offline Thanks Meter: 0	check change speaker, check pins arn't bent on the speaker, as you re assemble it !! if you have no speaker, then you'll have no keytones... change L150, i think thats the component, on the top of the board... still no luck, check change R161, R152, C166, ---> UEM [email protected]