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I will really be glad if you can help me.When i turn on my home theartre system, 2 or 3 of the tweeters make a 'pop' sound, like they have burst or something, then the dvd player itself goes to dvd/cd mode and all the buttons stop functioning exept 'off'.Even when i turn it off it the speakers make a funny sound.
I have tried everything, including disconnecting the speakers that make the 'pop' sound when i turn it on but it still doesnt work!This system is less than a year old so i wonder why its acting up like this.It has diminished my confidence in LG products.PLEASE HELP!!!

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SOURCE: T5420 unable to transmit or receive. Please help!

Here is a link to the T5000-T5500 user manual. ''

From what you have stated, I can discern the radios will power up. You might try setting your interference eliminators to zero (off) to see if you are able to transmit at all.

You do not mention if you are using AA batteries or rechargeables. Either way a fresh set of charged batteries would be best for a test. It is clear you were getting power. However, it does take more energy to transmit than to receive. If your batteries are low or bad, pressing the PTT could us all the energy the radio has, and yet not transmit to the other units.

You might also check you VOX settings if any and be certain they are turned off.

It is not likely 4 radios would fail all at the same time. So it is probably a programming problem. Hope the user manual helps you find the solution.

Posted on Aug 24, 2008

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SOURCE: T5420 unable to transmit or receive. Please help!

Here is a link to the user manual:

This unit does not have a reset button. While troubleshooting you might check the batteries. Be certain they are in correctly and the contacts are free of corrosion. You can use a pencil eraser to clean the contacts.

Walk through all the programming instructions in the manual, double checking both the frequency and interference eliminator codes. A quick setting back to zero on the code would alleviate any problem with that section of the radio.

As far as your "paging" this operates on the same frequency and code as the rest of the radio. If the radios are not working correctly in this relm, the paging will not work either.

Posted on Apr 24, 2009

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Instructions on how to change channels on TECHNIKA MODEL TA-13

Basic Instructions for Technika Model TA-13

On this model there are 7 buttons:
Left to Right these are:

PTT, Push to talk on lh side as screen faces you.
Torch Light (on rh side)

Assuming you have used the power button to turn on the radio, the default channel after installing the batteries is 1 or else the last channel to be used.

Press the power/menu button once-briefly, (the current channel will flash for about 10 seconds.) Then use the Up and Down arrows to change channel. Wait for the remaining few seconds and the radio will return to normal operation.

Press the menu button twice, the letter H or L will appear and can be altered by the Up and Down keys to change the power level of the radio. I think this is transmit power which may help you avoid infuriating local taxi companies. Switch back to High power when you're about to go out for the night and need a ride.

Press the menu button three times. This will turn off Squelch control and make a terrible din. Not terribly useful unless you want to pick up a really weak signal (or find out where the taxi driver has taken your neighbour.)

An easy way of finding a channel is to press and hold the Scan button and then the device will rotate through the available channels looking for a signal. When someone transmits, the scan will pause and you can capture it by pressing the PTT button for a second or two. I have found this helpful in pairing my radios with other sets, or picking out channels that work with friend's radios.

Finally, Volume control is really simple, just up and down when not in any other mode.

I had the instructions, which I think included a mention of all available channels I'll scan and post them if ever I find them. hope this part helps though.

Jan 29, 2008 | Two-Way Radios

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