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It depends on what model you have.
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The principle of the earphone, there are two channels on the left and right, and its essence is that the common end and the left and right channel ends are connected to a coil respectively, and when the power is on, it relies on the principle of electromagnetic conversion to vibrate and make sound. The resistance of the coil is generally 30-100 ohms. If the coil on one side is broken, no current will pass through it, causing the sound to be silent.
When the sound is not loud, first rotate the jack to see if it is a bad contact. Or if you receive another radio or mobile phone for testing, if it still doesn't sound, it may be a malfunction of the headphones. You can pass the multimeter test to see which channel is not loud.
The measurement file is in the diode (or 200 ohm resistance range), respectively connected to "ground, left channel" and "ground, right channel", if the multimeter shows 30-100, it means that this channel is good. If it says "1", it means that the coil of this channel is broken.
The test method can also refer to "How to measure the on-off of a line with a digital multimeter?" "Experience.
Generally speaking, the three parts in the picture below are prone to frequent bending and are relatively easy to break. You can connect the mobile phone (or South radio, etc.) to play the sound, try to twist these three parts, if the sound comes and goes when moving, it may be that this part is broken.
If there is no problem with the above three parts, it is possible that the line in the middle part is broken, and the fault point needs to be further measured. For example, if the left channel is silent, its resistance at points A and C should be infinity after measurement, displaying "1”。
It is further necessary to find out which point is broken, and the specific measurement and judgment method is:
1) Disconnect the suspected point of failure.
2) Measure C, E and A and F respectively, if the resistance of C and E is infinity, it means that the circuit between C and E is broken. Look for the focus between C and E. The reverse is between A and F.
3) The dichotomy method can be used (each disconnected point is the midpoint of the two normal points) to quickly narrow the fault range, and at the same time, the line segment that is broken is the least.
Do this until you find the point of failure.
If it is to be repaired, it must be cut and reconnected. You can cut just one or all of them. It depends on the measurement after the stripped thread.
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The solution for adjusting the left and right channels of the headphones is as follows:
<>4. Click'level'tab, click on it'Balance'Button. Click the "Balance" button to adjust the volume of the left and right channels. It can be adjusted by moving the slider on the left front (or 1) or right front (or 2). Finally, click OK and you're done.
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Summary. Method 1: Turn off mono lock.
1.First of all, we click on the start logo of the taskbar, and then select the [Settings] option, and right-click to bring up the settings options;
What should I do if the computer headset does not distinguish the left and right channels?
Method 1: Turn off the single-spine Zen channel lock 1First of all, we click on the start logo of the taskbar, and then select the [Set Sakura Dust] option, and right-click to bring up the setting options;
2.In the [Windows Settings] interface that opens, we select the [Ease of Use] option;
Method 2: 1. Troubleshoot the taskbar, right-click on the small speaker in front of the sound system map, and then select [Sound Problem Troubleshooting] This will help us solve most of the problems.
Method 3: Reset 1Similarly, right-click the system sound icon and select the [Open Sound Settings] option;
2.In the sound settings interface that opens, find and tap the [App Volume & Device Preferences] option;
3.Clicking the [Reset] button after dropping down in the interface that opens will also help us quickly solve the sound problem.
Dear, if my answer is helpful to you, please give a thumbs up (comment in the lower left corner), your efforts are very important to me, and your support is also the motivation for me to improve Lu Qiaochun. Finally, I wish you good health and a happy mood! <>
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Adjusting the left and right channels of the headphones on the computer can be operated in the following way:
1. First move the mouse to the speaker icon (speaker icon) in the lower right corner, right-click, and select the "Open Volume Synthesizer" option in the pop-up interface.
2. Double-click the icon of "Speaker" with the left mouse button in the volume synthesizer.
3. Go to the speaker properties, find the "Level" option and turn it on.
4. In the level interface, click on the "Balance" option on the far right.
5. Finally, adjust the volume of the left and right channels of the earphones in the pop-up page.
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You can adjust the left and right channels of the headphones on the computer. Method Operation:
1. First move the mouse to the 100 speaker icon (speaker icon) in the lower right corner, right-click, and select the "Open Volume Synthesizer" option in the pop-up interface.
2. In the volume synthesizer, double-click the icon of "Speaker" with the left mouse button.
3. Go to the speaker properties, find the "Level" option and turn it on.
4. In the level interface, click on the "Balance" option on the far right.
5. Finally, adjust the volume of the left channel and the right channel of the earphones in the pop-up page.
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Summary. Hello, I found the following method for you.
1. Check the headphone interface First, check the headphone interface, if you are using the interface, you can try to unplug the headphone plug, and then plug it back in to see if it is completely contacted, if it is not for this reason, you can try to change the plug. 2. Check the sound card settings If there is no problem with the headphone interface, you can check the sound card settings, right-click "Device Manager", find "Sound, ** and Game Controller", click "Open", find "Audio", right-click, select "Properties", in the "Sound" tab, click "Stereo Mix", switch the options of the left and right channels, select "Apply", now the sound will be normal, and the sound can be heard in both the right and left channels.
How to set the left and right channels of the earphones are reversed?
Hello, I found the following method for you.
First, check the headphone interface first check the headphone interface, if you use the envy rough stove interface, you can try to unplug the headphone plug, and then plug it back in to see if it is completely contacted, if it is not the reason for this brother, you can change the plug to try. 2. Check the sound card settings If there is no problem with the headphone interface, you can check the sound card settings, right-click "Device Manager", find "Sound, ** and Game Controller", click "Open", find "Audio", click the right button, select "Properties", in the "Sound" tab, click "Stereo Mix", switch the options of the left and right channels, select "Apply", now the sound will be normal, and the sound can be heard in both the right and left channels.
The left and right channels of the computer headset are reversed.
It can be adjusted through the settings of the device, and the general device will provide the channel setting function, and the left and right channels can be adjusted by changing the channel settings. In addition, you can also change the sound channel by changing the sound settings of the computer, and the corresponding setting options can generally be found in the control panel.
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The steps are as follows: 1. Generally speaking, go to the operating system to see if there is a problem with the balance setting, double-click the small cough icon in the lower right corner of the desktop, open the main volume setting, and directly adjust the balance below the main volume to the middle. If you don't have the small speaker icon as shown in the figure below, you can get the control panel to tune it.
2. If there is no volume icon in the desktop taskbar, go to the control panel to find the sound and audio device tune.
3. Open the control panel, find the sound and audio device in the control panel, and double-click to open the sound and audio device properties. Some computers may be displayed differently from the following figure due to system optimization and other reasons, but if you look for it, you can find it in the control panel.
4. Open the Sound and Audio Device Properties window, find and switch to the Volume tab in the Sound and Audio Device Properties window, find the Advanced button in this tab and click, in the new window of the main volume options that appears, drag the balance below the main volume directly to the middle with the mouse as shown in the figure below.
5. In addition to the above methods, in the sound and audio device properties, find and click the "Speaker Volume" button in the volume tab, and drag the left and right to the maximum in the pop-up speaker volume setting window. Then OK, go back to the Sound & Audio Device Properties window, and OK again.
Seriously despise plagiarism!
Left and right channels,It's not as simple as LZ thinks It can't be said that the sound of the left and right channels is the same.,You can just listen to the left and right earphones separately.。 The general multi** is only two-channel, but some speakers already have six channels. If you think your left channel is Chinese and your right channel is English, then you can solve this problem by using ** software. >>>More
Three ways to convert left and right channels.
First: Turn the earphones to the left and right and put them on your ears. >>>More
1.There is no such thing as a headset that does not support multi-channel. It's all left and right stereo. >>>More
Here's how to connect the wireless headphones to your computer:Computer: Lenovo computer Tianyi 510s. >>>More
It's not a problem with the headphones, it's a problem with the machine, the line is in poor contact, and it needs to be repaired.