I am currently on my SECOND t-mobile dash. The fist one the speaker went bad for a week or so and somehow corrected its self. I could still hear calls but the persons voice would crack. Like a blown speaker. Now i am on my second one and the same exact thing happened. But it is not goin away. Does anybody know what causes this?
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check to see if speakers are on or off--if model number here is correct and it only has one speaker--put your ear right to the speaker and if no hum or anything the single speaker set may have a bad speaker.
there are two speakers in every mobile one is the one which is fitted on the top center of the mobile which you listen through when you receive a call. Second speaker is placed at the back of the mobile which speaks when you select speakerphone. The speaker on top has gone bad you need to replace it.
The amplifier has a bad channel, or is bad itself. It is trying to
either output too much current or is not putting out enough. If you have
multiple speakers wired to one channel, you will either have to change
the wiring to series(unit positive to first speaker red, first red to
second BLACK, second red to unit negative) or remove on speaker. (If
this is the case, then you might want to look at this. It is a tip/rick to place and
properly/successfully run three subwoofers, but the main concept can be
used on all channels.) If all channels are wired to he correct speaker,
then the amp is in fact at fault.
1. Take the battery out to reset/reboot.
2. Once it powers up, plug a wired headset into it.
If you can hear through the headset fine -but not thru the ear speaker, well then its the ear speaker that has gone bad. (Hardware problem.. if its less than a year old or u have cell phone insurance, call your cell company and see if they will replace that under warranty)
You could also try speakerphone and see if that works.. if the ear speaker goes out - maybe the loud speaker will still work.
fist test all speaker using different good working amp, so we can eliminate bad or blown speaks. second, make sure you hook up the right pole negative to negative and positive to positive, it very important that you do, otherwise you will short the unit real quick. next take the cover off the amp, get your self couple of can of dust cleaners and blow all the dust out real good. if everything is done and hook up properly than your amp is faulty. if you have no electrical back ground take it to the earnest electronic repair and have it done correctly.
This because in your handset there will be 2 speakers 1 is loud speaker and 2 nd one is ear piece speaker....
so the loud speaker is working fine ... There may be some loose contact in the ear piece speaker or the speaker might have got damaged ...
so if you are good at opening then just open your handset and check if there is any loose contact in the ear piece speaker .. is so fit it correctly .. or you replace the ear piece speaker with the new one ...
if you are not good at opening then just contact the technician ... he will do it ... The ear piece speaker is very cheap so no problem .. just buy the ear piece speaker which is compatible to your handset in the shop if you are doing it by your self ...
the technician might take the service charge for this that s all but the ear piece speaker is too much cheap ..
any doubts reply me i am always here to assist you thank you bye ...
the whistle could be from teh sim-card take it out and place it into another mobile if you do not hear the sound anymore have the sim-card replaced.....as for the ear piece take the phone to a mobile service center or professional mobile technician to hvae it replaced.