Tip & How-To about Cell Phones

My nokia5130 express music radio is not working.

Possible that the FM is out of range or the signal is too low that the hiss is present.
If however the FM is strong at your place then place the head set and try.
If not the radio is faulty in the phone.Contact Nokia care

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1 Answer

why doesn't the am radio work but the fm does


Somehow it sounds like your antenea cable has been unplugged

Aug 15, 2014 | Audio Players & Recorders

1 Answer

Sony STRDH510 has a hiss coming from the speakers when listening to FM stations, however, there is no hissing sound when watching tv and listening to the sound through the same speakers. Is there an adjustment to get rid of the hiss? My old Sony receiver had crystal clear music using the same speakers. Thanks Gary


This has nothing to do with the speakers.

Page 38 of the manual describes tuner operation. FM hiss usually indicates a weak FM signal or it's not tuned precisely. If the "ST" indicator is blinking and you select Mono does it get any better?

A 75-ohm FM antenna oriented horizontally will help bring in a stronger signal (page 29 and 73).

Dec 08, 2010 | Sony Audio Players & Recorders

1 Answer

my nokia5130 express music radio is not working. i get a cheezzzz sound but not the music when i turn on radio. please help me what is the problem


Possible that the FM is out of range or the signal is too low that the hiss is present.
If however the FM is strong at your place then place the head set and try.
If not the radio is faulty in the phone.Contact Nokia care

Sep 28, 2010 | Nokia 5130 Cellular Phone

1 Answer

Technics SH GE70 : 1 bar doesn't do much


I would want to know if it's just an indiction problem or an actual notch.

Let's prove the signal is pure going to the EQ.

Tune between FM stations with no automatic muting on your receiver so you can hear a loud hiss. Monitor the EQ display. There should be a lot of energy across the bands. If you see the notch swap the inputs to the EQ to prove it's in the EQ. Otherwise the signal is being affected upstream.

Let's prove there's no audible notch in the bandwidth. This is the fun part.

Set your system to just play Stereo with the FM hiss and if there is a Stereo Direct setting that bypasses internal circuitry, engage it. Adjust the EQ for equal level and flat response on both channels.

Disconnect the two front speakers. Wire just one front speaker across just the Positive leads of the Left and Right amplifiers. This is not dangerous. (**)

** Back in the day we used this kind of wiring (with some proper resistance and circuitry to prevent interaction between the front channel speakers) to extract ambience (difference) information from plain stereo to drive a speaker at the rear of the room. Adjustment was done by selecting MONO and turning the Balance control for Minimum output, then going back to Stereo for listening. Ah, the old days.

What this does is make the speaker play only what is DIFFERENT between the channels. If the source is truly MONO as it should be there will be a minimal output presented to the speaker. In an ideal world a true mono signal fed to both channels in this manner would result in total silence. There will always be some difference in the real world.

You can prove the accuracy and fullness of the EQ signal by adjusting one channel of the EQ to be different and as you do the sound should start to rise as the Delta increases. Returning the controls to flat and equal should provide minimal output. If there is a solid audible difference in the treble range the EQ might actually be showing the 6.3khz deficiency accurately. To see if it's at 6.3khz adjust the LEFT channel downward to match the display of the RIGHT and the difference program material should become very low as heard from the speaker. That would indicate a true deficiency in the LEFT channel.

Fixing it might not be possible but you might be able to use the EQ to offset it.

Apr 29, 2009 | Technics SH-GE70 Home Equalizer

1 Answer

Pioneer GEX-FM903XM, system works great, however it often drops out and has just static. The signal indicator is strong. I think there is a bad connection into the radio. Where should I start looking?? Thank you for you help John Dorshimer johnd1340@aol.com


It may be possible that the FM frequency chosen during setup, is in use in your area by a strong signal from a local station. Change to another frequency and see if the situation improves.


The following is from the Operation's Manual:


FM Modulator Setting
You can adjust FM Modulator frequency and output level.
7 Frequency
If output from the FM Modulator is hard to hear due to interference from a strong broadcast
station transmission, you can switch to another frequency.
You can adjust frequency between 87.9 and 90.1MHz.
7 Level
If the output sound is too quiet, too loud or distorted, you can adjust FM Modulator output
level.
You can adjust level between “LEVEL–1” and “LEVEL–7”.
1. Press the POWER button for 2 seconds to enter the FM Modulator Setting
mode.


2. Select the desired frequency
with the left/right arrow buttons.


3. Increase or decrease the Level
with the up/down arrows (buttons).




4. To cancel the FM Modulator Setting mode, press the POWER button again
for 2 seconds.
Note:
• After entering the FM Modulator Setting mode, if you do not perform an operation within about 8 seconds, the FM Modulator Setting is automatically canceled.




Nov 29, 2008 | Pioneer Car Audio & Video

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