Question about Recoton Advent Advent AW820 Computer Speakers

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Disassembly of transmitter

Left channel is weak and noisy in both speakers. Suspect bad audio cord or connection inside Xmitter. Only one screw visible, but does not come apart when removed. What next?

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A great many speaker manufacturers use solid fixed enclosures fused or snapped together for permanent application. This is a cost saving measure to eliminate screws and added manual labor/time. You can use a Dremmel cutter to cut along the connection lines and open the enclosure, but be prepared to reseal when done.

Posted on Feb 10, 2014

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Posted on Jan 02, 2017

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1 Answer

Tenma 72-2580 scope I want to hook up the scope to monitor the rf wave form and audio wave form on my ham radio how do I do this


I suspect a small antenna could pick up the transmitter level. And the audio I suspect is from the speaker. That is a level the scope could handle. Solder a couple wires to the speaker or hook the scope leads to the speaker output if it is an external speaker rig. I am also a Ham and have a O scope. 2 Channel 30 MHz Oscilloscope with 8 Color TFT Display

Mar 04, 2018 | Radio Communications

1 Answer

I have a Kenwood kr-v8010 and all a suddenly one channel is only working just woundering if its a easy fix?


Could be a speaker wiring issue, defective speaker or possibly a speaker protection fuse inside the unit has blown.

1. Check speaker wires for proper connection.
2. Swap left and right speakers to see if the problem follows the speaker.
3. Check for internal speaker fuse that may have blown. PLEASE proceed with caution inside the unit. With the AC cord unplugged there are still high voltages resident inside...BE CAREFUL!!

Oct 31, 2012 | Audio Players & Recorders

1 Answer

Su v8 down on one channel


it would be either:

a) amp or speaker , try to turned off unit, interchange the speaker wire,

the speaker wire on the right channel try to connect it on the left channel,

the right speaker wire to the the left channel .


b) say if the same channel produce weak audio, then the problem is on the SU v8 amp.

c) inside the amp, there are main amp and preamp with selector

switches.

d) try to test , if all inputs , produce the same symptoms.

e) say same symptoms, now try to interchange cables if using

external sources produce the same symptoms.

f) if still have, then inside the unit , it would be either left main amp

or preamp.

g) you can try for a test, connecting direct to "IN" at the back to test

if the main amp is having problem.

Apr 24, 2012 | Audio Players & Recorders

1 Answer

Left channels weak and statiky


Maybe your amp is bad? Swich your right and left wires around and see. If the problem moves your player is bad. If it doesn't your amp is bad. Doubt it is the amp though if it is all of your left channels.

Apr 19, 2012 | Dual XD7500 AM/FM/CD Receiver, Motorized...

1 Answer

Hi the left channel of the surround speakers both A&B is not working. I wondered if there is a fuse inside the amp that is easily replaced . All other channels are working. thanks Andrew


A and B are front speakers.

Individual channels are not customarily fused. Amp self-protection usually cuts in if necessary.

Is it on all audio sources or only certain ones? Have you swapped the speakers Left-to-Right to isolate the speaker from the signal chain as a cause?


If it's only an analog source doing it I would suspect a bad audio cable or a switch somewhere in the signal path. Typically, it might be a switch you rarely use, like a Tape Monitor or Mute. It's wise to occasionally (with power OFF) manipulate all manual controls throughput their ranges a number of times to wipe oxides from their contacts.

Feb 10, 2011 | Denon AVR-3802 Receiver

1 Answer

I have a Fijitsu 50 inch plasma tv. I installed it on the wall, hooked up a speaker. I get sound on one cable channel with no video or I switch to another channel and get video without audio. I cannot...


OK ~ try this... Connect a makeshift antenna to your Antenna proper connection/connector.

Almost anything somewhat large, flat and is metal should work OK... Even a length of old lamp cord may work too! Hopefully you are in range of at least ONE standard HDTV DIGITAL broadcast transmitter(s) "over the air".

IF your audio is now OK suspect that CABLE BOX!

And how about your DVD player? Is your audio and video good using it?

Anthony

Jan 29, 2018 | Fujitsu 50 in. Plasma TV

1 Answer

Left channel sounds weak and distorted. What could be the problem?


If it sounds weak on the tuner as well as all other sources then make sure the wires connecting the speaker and the receiver are not touching. Make sure the balance control is centered. Make sure none of the switches and controls are not causing the problem by turning them while playing through the left channel. If all that checks out then there are possible bad output transistors, resistors or capicitors in the left side output section.

Jun 14, 2010 | Pioneer VSX-453 Receiver

1 Answer

Just purchased SBHS100AE-K rear speakers to connect to my SC-BT100. I want to connect them wired rather than purchase the wireless transmitter, but I can't figure out how to connect the wired rear speakers...


This unit is not as flexible as traditional receivers are as far as speakers are concerned. Speakers are labeled and *must* be connected to the correct speaker terminals.

Upon reading the manual - it is quite apparent that the only provisions for rear surround speaker connections is <i>only</i> via the optional wireless transmitter / receiver hardware. The optional digital transmitter is connected via a proprietary plug on the rear of the SC-BT100. The optional receiver amplifies the received signal and passes it to the connected surround speakers. I would bet that there are no provisions for amplifying a surround L and R speaker channel inside the SC-BT100, and that it only provides a low level (like a "tape out") or un-amplified signal to the transmitter plug. Even if you were to manage to get the surround speaker connections made up there - you would not be able to hear anything from them - as there is no amplifier. The amplifier is contained in the wireless receiver, and is largely why it requires a connection to house current.

Unfortunately, I doubt you'll find a way to listen the surround channel audio from the SC-BT100 without the optional transmitter / receiver and the integrated amplifier.

You can review the manual like I did here:
http://service.us.panasonic.com/OPERMANPDF/SCBT100.PDF

I hope this answered your question.

Jun 11, 2010 | Panasonic SC-BT100 Theater System

1 Answer

WEAK SOUND


Hello,
Assuming you are not attempting to play it at ear shattering levels, this may be due to an alignment problem in the IF/audio demodulator, a bad audio IC or other circuitry, bad connection, or a defective speaker.

If your TV has an earphone or audio line out jack, try this to see if it is clear. If so, then your problem is in the final audio amp or speaker(s).

If only one channel of a stereo TV is affected, it is almost certainly the audio amp or speaker for that channel. Interchange connection to the two speakers temporarily and see if the problem moves.

If the problem is at all intermittent - try gently whacking the TV - then it is likely a bad connection - either a cold solder joint or a dirty or tired IC socket.

The audio amplifiers in newer TVs are almost always ICs and replacements are usually readily available. If the IC is in a socket, remove the IC, clean the pins and socket contacts and reinstall it. Sometimes, the contacts on old socket lose their springiness and do not provide solid connections. Such a socket will need to be replaced.

If the set uses discrete transistors, it s also possible for one of these to become noisy.

If your TV is fairly old - 10 years or so - this may be an alignment problem requiring tweaking of a coil in the sound IF. See your service manual. It may be possible to have similar problems with newer TVs but this is relatively rare.
There could also be bad electrolytic capacitors, probably in the power supply area. Even though you might think this would result in hum and there is none (even when there is no audio in the program or the sound is turned down) dried up caps can result in distorted sound that may sound like a sort of clipping. An ESR meter is best for testing (with power off!) but carefully jumpering known good caps across suspect ones (again with power off, then turn on the set and check), will eventually find the bad one(s).
Hope this help...

May 27, 2010 | Panasonic TC-26LX60 26 in. LCD Television

1 Answer

DENON PMA520 Amp. Suspect left channel not working as set bias to all left and get nothing out of left speaker. Right speaker working. Tried interchanging speaker connections and get same result from...


you have malefunction in your left output stage-but can i ask you did you forget to press left speaker button in your amp (if you have one in your amp).

Jul 27, 2008 | Denon Audio Players & Recorders

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