Jwin JX-MP124 (128 MB) MP3 Player Logo

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Question about Jwin JX-MP124 (128 MB) MP3 Player

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Jx MP124 sir, Its not displaying anythin on screen. it does not work. please help me. Only backlight is displayed on screen. when i connect to PC it shows the songs and files in it.

Posted by Nitinkumar Patel on


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Ok if its showing the files that are on the unit then we know that the unit is not dead. Hmm sounds like an lcd problem like maybe it got dropped or banged and damaged the lcd display or a cable connecting the display could have come loose. Good luck

Posted on Apr 14, 2006


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Related Questions:


No backlight

A) Replacement LCD screen backlight could be bad.
Happens. Sometimes you get a bad part. (Bad LCD screen assembly, in this case)

LCD screen may not be the correct one.



A screen Inverter, and an LCD screen; are a MATCHED unit.

B) Screen Inverter:
May be bad, or the Wrong one

C) You may not have the screen Inverter, connected correctly to the Backlight.
Connections aren't tight.

D) The Display Cable TO LCD screen connection may not be tight, or correctly connected.

I know the display shows graphics, but a poor connection of Display Cable to LCD screen, can make the Backlight dim out.

I'm betting it is a poor connection, or the wrong screen Inverter, or wrong LCD screen.


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change ic. it cost 250rs in india. now calculate your money.

Hi there, My HP compaq laptop wont startup, Not even POST

You may have backlight inverter baord failure or the lamp has gone out. Can you get the picture if you use the VGA port? Model of the laptop will help. See www.insidemylaptop.com to see how involve it will be to repair/replace the laptop inverter.

Hello dear sir i have an old samsung labtop

You may have a defective CCFL backlight, it may have the following symptom: Screen flashes on and off or displays reddish pink hue. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickers on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replace the CCFL lamp.
To determine if the video card or the LCD is faulty, connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight. It could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out, this is the most likely case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site: -

Acer 5810t laptop. screen gone black

Press and hold the Power button for 45 seconds to turn the laptop off.

Then, remove the battery from the battery compartment and clean the metal contacts.
Next, reinsert the Battery and try to turn it ON.

If the display still doesn't come then you may try connecting an external display to check if the Computer is able to produce display and the issue is with the backlight of the LCD screen.

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Display flickers and darkens

There are two main possibilities.

1) The cable between the inverter and backlight burn on the screen is loose. You will need to open screen to reseat it.

The other is that the inverter or backlight is dying and your display will stay dark sooner or later.

If you find this helpful please rate so.



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If the backlight is coming on its not the inverter, check the ribbon cable for the screen itself, If its been opened and closed alot maybe be time to replace the screen. Check connections first, go from there.

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Problem with my Acer

hello Aznarel,

Firstly we need to establish if the problem is caused by the notebook's display or by it's on board graphics adapter. To do this I need you to connect an external display to the notebook. I see that the 292 has a VGA I/O port to which any VGA display can be connected.
When the notebook's screen is displayed on the external display one of two scenarios may be experienced:
  1. The problem's symptoms may manifest on the external display, indicating a problem with the notebook's on board graphics adapter. Since this problem can only be solved by replacing the notebook's motherboard, it may be more economical to buy a new one, depending on the status of the notebook's warranty.

  2. The problem's symptoms are not experienced when the screen is displayed on an external display, indicating a problem with the notebook's display. If this is the case I will suspect a malfunctioning inverter.
    Reason: When the LCD TFT display starts flickering it is a sign that the backlight is not receiving the correct current (the inverter provides the backlight with the required current).
    As opposed to a malfunctioning backlight. When a dark, faint output display is the only experienced symptom (that is; no flickering of the screen and no lockup of screen display) the LCD's backlight is at fault
    In case of scenario 2 the solution will be to take the notebook to a computer repair shop where a certified IT technician can order and replace the malfunctioning inverter.
I hope you find this information helpful in solving the problem.
Please take the time to rate this solution.
Kind regards and thanks for using the FixYa service.


A really dim display like you're describing is most likely a backlight problem.  If your inverter went bad you wouldn't have any display at all.  you need to get your backlight changed.
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