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Whats tha volume control ic - JVC MX-D302T Shelf System

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When the volume control is adjusted it sends a signal to a small black box called an IC. This adjust the levels and power going to the main amp of the unit. The IC can be found by tracing the wiring from the volume control back to a printed circuit board.

Posted on May 12, 2014

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Posted on Jan 02, 2017

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I have a ge gtd 120 home theatre surround sound.for some reason, my volume is stuck on one level.. I haven't had a remote for it for a while, just used the knob to adjust the volume.someone plz help!


Unless the system has some kind of automatic volume control on it, that can only be adjusted by the remote. I think you might have a faulty volume/tone control circuit. These days many amps have a single IC that will control the volume. If that goes the volume can get stuck on one level. Since the control knob you are turning is simply sending a signal to that IC. So if the IC has died the signal is not being received.
If you want to repair it yourself just follow the wires back to the board from the volume control. You should see a large multi pin black box that if your lucky is marked on the board volume control.

Jun 10, 2016 | GE Audio Players & Recorders

1 Answer

What causes audio to suddenly increase to maximum?


Volume in modern systems are controlled by a single IC. If that goes, it makes the volume functions go wonky. The IC can be found by tracing the wires from the volume control, or following the circuit if it is mounted on a PC board.

Jan 29, 2016 | Audio Players & Recorders

1 Answer

Volume goes up and down on its own....


Volume control circuits these days are controlled by an IC (chip) that does all the work. They do go faulty and produce this effect. You can find this chip by following the wires from the volume control, or looking on the circuit board where that is located. There could be other IC's around it, but basically all pathways will lead to the trouble maker IC.

Dec 28, 2015 | Audio Players & Recorders

1 Answer

Kenwood kr 5050 volume stuck on high cant change


These days the circuit of the volume control is controlled by an IC in modern amps. These can go faulty preventing adjustment of the sound by the volume control. The only cure is to find the IC and replace it. You can start in the area where the volume control is located. If it's not mounted direct on the PC board, follow the connections to the board. Hopefully the board might have writing on it to indicate the area where the faulty IC is.

Aug 04, 2015 | Kenwood Audio Players & Recorders

1 Answer

The volume on tv goes up on its own & setting


Its main system control IC is faulty. Its volume control section block[inside the IC] does not control the voltage that adjusts the volume to the TV. In most cases, this IC might have to be replaced. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

Oct 20, 2014 | Televison & Video

1 Answer

Kenwood amplifier a-58


Follow the connections inside the unit of the volume control. They should lead you the volume and tone circuits. You will probably see (if you follow the PC board tracks) that they lead to an IC. These generally control all the sound functions. You might need to replace the IC.

May 05, 2014 | Audio Players & Recorders

1 Answer

My sansui tu 217 makes a popping noise and looses all volume when i turn it above 1


Volume controls these days pass signals to an IC that controls most functions such as volume and tone. Following the wiring from the volume control should take you to the this IC which will need to be replaced.

Jun 19, 2013 | Audio Players & Recorders

1 Answer

Pma 1500r


Many amps these days have an IC that controls the volume and other functions such as bass and treble. You need to follow the wiring from the volume control to where it meets up on the PC board, or follow the circuit if the control is mounted direct to the board. As this is on one channel you have the good channel to compare it with. If you are lucky there will be two of these IC's one for each channel. If not then the volume control connections will all go into one IC. Putting a insulated tool on parts of the amp will cause it to buzz when it's on, on each channel. That way you can find the faulty IC. But don't short any of the pins of an IC together.

Jun 09, 2013 | Audio Players & Recorders

2 Answers

I have a Panasonic Cathedral Radio, Model No. RE-30. The volume is stuck on high. The knob turns freely, and occasionally, the volume will lower of its own accord. How would I fix this?


This sounds like an IC that controls the sound level is playing up. It will need to be replaced to make it work. If you have the knowledge to do it yourself all you need do is trace the wires from the volume control and you should see the IC.

Dec 06, 2010 | Panasonic Audio Players & Recorders

1 Answer

What is the "volume up" and the "volume down" wheel on the top ?


if the keyboard was recognized and installed correctly, the volume up and down wheel should control the master volume on your pc but not the media player being used

Jun 16, 2009 | Acer NSK8458AN Keyboard

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