Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

 
 
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Default Broken FM Xmitter?

About 14 months ago, I bought something that looked like any of the
links below. It worked great, to let me listen to computer audio (such
as web-radio) anywhere in the house or even on the car radio. I used it
in my bedroom, the bathroom, and the kitchen, on different FM radios.

Left it on most of the time. Last week it broke.

Any chance I can repair it? What should I do?

I've turned it off for a day, then unplugged it for a day. Changed
frequencies, adjusted volume, replugged input.

If I open it up, will I see burn marks somewhere? Cold solder?

Is there something I'm missing? (I always feel anything can be fixed.)

(There IS one thing I missed. Do y ou know what it is? But I just
checked and it's not the problem.)


With the input volume all the way up, and the volume of the receiving
radio all the way up, the radio output is about 1/10th or 1/20th what it
used to be. Just enough to know that something is happening. Screen on
the xmitter still lights up and displays the xmission frequency.

I'd never tried a mike before, and it's conceivable it never worked, but
now, when I plug in a mike and turn its volume all the way up, stand
halfway between the transmitter and the radio and yell, no trace of my
voice from the radio.

It never felt hot.



They stopped selling my exact thing only 6 months later, but i'm sure
the warranty was for no more than a year.

This is the same brand but when I click on my previous order, it says
"We couldn't find that page." and it doesn't go he
https://www.amazon.com/Signstek-ST-0...Y3H/ref=sr_1_5
$80 - 10. Still the cheapest. Is that the reason it broke after only
15 months?
(Mine was called "Signstek 0.5 W 05B Dual Mode Long Range Stereo
Broadcast Home FM Transmitter with Antenna and Free Audio Cable Fashion
Black " Return window closed on Mar 4, 2020;
Product support window closed on Aug 1, 2020)
It gets 4.6 stars on 479 ratings! 90% give it 4 or 5 stars, but so
would I have for the first year.

Only one review said it worked at first and failed (after 2 months).
None of the other complaints applied to mine.

Do I have an alternative than buying basically the same thing again?


You can see that the first 3 are all the same in terms of size, shape,
controls, jacks, antenna.

https://www.amazon.com/Transmitter-A...5XS/ref=sr_1_3
$90

https://www.amazon.com/Retekess-Wire...ef=sr_1_2_sspa
$80 This makes reference to an AUX jack, but from the pictures, plainly
they just mean the mike jack. That's fine.

https://www.amazon.com/Transmitter-7..._thematic_sspa
$99 - 20%

To get back some of the money I lost on the broken one, would it be
wrong for me to start my own church?


https://www.amazon.com/0-5-Fail-Safe...f=sr_1_12_sspa
$120 Mine was cheaper, I guess because it had no RCA inputs, which I
have no use for.

There are more, there were more at the time. Did I make a mistake by
buying one that was $10 less than tthe others. $65 instead of 75?

This brings up the same question that I raised with the
auto-vacuum-pressure tester, one of which was 33% higher than the other
which appeared identical in every way. Are ttwo such things the same
thing with different pricing, or do they manage to imitate a good one
and yet make the imitation junky? I know t here is no single rule but
what is your experience?


Functionally similar, based on knobs and jacks, but knobs are closer to
the ends of the panel, it's silver instead of black, and it's twice the
price $200. Does that mean it will last twice as long, 10x as long?
https://www.amazon.com/Fail-Safe-Ran...ef=sr_1_1_sspa

https://www.amazon.com/Transmitter-B..._t2_B01N4Q9GCF
$160
 
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