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Signal Amplifier doesn't work

The signal amplifier doesn't work properly, how would I go about fixing it? And if I have to replace it, how much would it cost me?

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That is very hard to say you would have to take the phone to a mobile service center or a mobile tech close to you.

Posted on Jan 29, 2008

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Don't understand why local channels no signal it is not storming


Do you have an internal or external antenna? Does you have an signal amplifier, signal splitter or switch connected?

If the TV was previously connected to this antenna and received multiple channels, check the orientation. External antennas can turn under some conditions. With digital (ATSC) signals, this can be a significant issue, as the tuner may not see enough of the signal.

If there was an powered amplifier attached, check if the unit is getting power. Next check if the signal improves when the amplifier, switch or splitter is removed. In my house, usually only a few channels will be initially blocked by a faulty amplifier. In that case, the amplifier turned into a signal filter for a section of the VHF range. Replace the amplifier or switch if it faulty. If you are using a switch, try an amplifier/splitter that will limit the signal attenuation.

Use www.antennaweb.org or www.tvfool.com to check if where the antenna should point. Antennaweb.org assumes an external antenna and gives very conservative channel lists.

If the problem persists, check if another TV tuner works when connected to the antenna. You could connect a tuner box between the TV and the antenna as a solution. Tuners vary in signal strength sensitivity. Alternatively, replace the TV or the input board with the tuner. (If the TV is under warranty, contact the manufacturer. However, for most small TVs (under <32"), the repair costs are not worth the effort. Sites like www.shopjimmy.com can tell you if parts are available - this site specializes in parts from TVs that were damaged in shipping.)

I hope this helps.

Cindy Wells

May 24, 2018 | Televison & Video

1 Answer

I have a 2009 GMC Yukon and rear speakers aren't playing


Does the system have an amplifier ?
Circuit/System Verification
Radio ON, Rear Seat Audio (RSA) OFF (if equipped), adjust the fade and balance controls on the radio to test all four channels individually. Each of the four channels should produce clear and even sound.
Without Amplifier Radio ON, verify clear audio is heard from each audio speaker.
?‡'
If audio is inoperative from all speakers, replace the radio.


?‡'
If audio is inoperative from one or more, but not all, speakers or the audio emitted from the speakers is not clear, refer to Speaker Circuit Malfunction - without Amplifier.
With Amplifier Radio ON, verify clear audio is heard from each audio speaker.
?‡'
If audio is inoperative from all speakers, refer to Amplifier Circuit Malfunction.


?‡'
If audio is inoperative from one or more, but not all, speakers or the audio emitted from the speakers is not clear, refer to Speaker Circuit Malfunction - with Amplifier.


Circuit/System Testing
Speaker Circuit Malfunction - without Amplifier

  1. Ignition OFF, disconnect the harness connector at the appropriate speaker.
  2. Radio ON, test for 5.0-7.5 volts between the signal circuit terminal A and ground.
  3. ?‡'
    If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.


    ?‡'
    If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.

  4. Test for 5.0-7.5 volts between the signal circuit terminal B and ground.
  5. ?‡'
    If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.


    ?‡'
    If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.

  6. If all circuits test normal, replace the speaker.

Apr 17, 2016 | GMC Cars & Trucks

1 Answer

My phone not getting signal properly when a signal low area.some time even is signal available,cant take call to phone.


thats a hardware problem, your RF amplifier should be weak. it is responsible for amplifying and mentaining the signal on your phone. you should therefore take it to a service point so that they check it anf if possible replace it.
Regards

May 10, 2010 | Nokia 6300 Cellular Phone

2 Answers

My technics intergrated amplifier says over load


overload is protection from very big signal input-or high current output.
1-keep your input signal between -10db-----to 0db.
2-confirm that amplifier power is greater than total power of loudspeakers by 20%(if loudspeaker total power is 8 watt-amp watt must be 10 watt at least.

Nov 30, 2009 | Technics SUV500 2-Channel Amplifier

1 Answer

On our Durabrand DVD/Vcr Combo, I get picture, but no sound..I'm using a S video as conectors!


S video connector is used only for video, you need to connect the audio separately via the RCA audio connectors or via digital coaxial or optical connector.

You can read more on S video standard here:
http://en.wikipedia.org/wiki/S-Video

Also see the related topics on audio, maybe you should consult the user manuals for your dvd unit and the amplifier that you use to get more info, but normally the sound can be connected via these connectors on the rear panel of dvd units:

- main left and right analog signal out RCA connectors (2 channel stereo signal - amplifier set to analog signal)

- main left and right, sub, center, surround left and right analog signal out connectors (multichannel surround signal - amplifier set to analog signal)

- coaxial digital signal out RCA connector (a single cable that takes the stereo or surround signal to the amplifier in a coded digital form - you need to set the amplifier to the digital signal mode to enable this kind of signal)

- optical digital signal out connector (same as the coaxial digital output, the difference is that the signal is in the form of light pulses instead of electrical pulses - the amplifier should be set to the digital signal mode as well)

Hope this helps somehow - if it doesn't, post me some feedback, perhaps a brief description of the units that you want to interconnect...

regards

Triarcuate

Sep 26, 2009 | Televison & Video

1 Answer

Autoprogram for lcd hd tv keeps taking me back to autoprogram.


You may need a signal amplifier to get the signal strength to keep the television synchronized with the input signal. The television tuner is losing the signal and has to keep searching to find it. You can amplify the signal with a small cable signal amplifier.You can usually find these amplifiers in your local electronics store like Fry's or the Micro Center. They are adaptors that will hook up between the cable and the television input. Look for them under television cable signal amplifiers. You can also buy them on line. Just put the name in you favorite search engine and find the stores that sell them. If you are still in doubt about the amplifier. Make a call to the local or online store and ask them how they work and how to use them with you television. They will be glad to help you and make a sale . If this doe not solve your problem then you may have a problem with the signal input circuit and need a service technician to test it. They will be able to tell if if you need some repairs to fix it. If you have more question about this problem just ask and some one will help you. I hope this information help you with your problem.

May 26, 2009 | Dynex DX-LCD37 TV

1 Answer

Sound is on and off on certain TV channels


Try buying a signal amplifier for you cable input circuit. Attach the amplifier to cable and attach another cable to the amplifier output circuit to your television. This Problem sound like a loss of signal strength in the cable line. This could be caused by many small internal faults in the cable dropping the signal strength for the sound output. The amplifier should be able to correct this problem. You can find these amplifier for sale on e-bay or just google cable line amplifiers to find one.

Apr 07, 2009 | Sharp Aquos LC-45GD4U 45 in. LCD HDTV

1 Answer

My ams is messed up


this is an impedance crash in other words your signal in is no good (replace RCA jacks) or your signal out is no good check wires for proper connections and or continuity and replace wires as needed or correct wiring or phase.

Feb 03, 2009 | MTX JackHammer JH202 Car Audio Amplifier

1 Answer

My powered subwoofer has RCA inputs for four jacks. (two front, two rear) My CD head also has four RCA outputs (2 front and 2 rear). Is there some advantage to connecting all of these with patch cables, or...


the advantage is every time you split a pre-amp signal, the voltage, too, divides in half. Your signal (music) is going down the river at 2 volts say, and when it gets to the amplifier, it is split into 4 streams. The signal will be distorted and the amplifier will not work as efficiently. Use the Front AND rear RCAs so your amplifier uses the best possible signal - for the best possible results!

Also, if you are using 4 RCAs you get true stereo FL FR RR RL Instead of L and R

Dec 30, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Amp connection


The speaker level input is designed to accept the speaker level signal from a head unit. This is generally no more than 20 watts RMS. If you drive the inputs with more than 20 watts, you risk damaging the input circuits of the amp.

Dec 28, 2007 | Sony Xplod XM-1652Z Car Audio Amplifier

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