JQ6500 module recovery

by luca
8 comments

In a previous post I presented the JQ6500 audio module. When you connect it to your computer, it’s detected as a CDROM drive.

I brought some modules from different webstores. A couple of them gave me the following error when I tried to browse the content of the CD:

Unable to access the disk. The disk may be damaged.

jq6500-rec-000

It seems that some manufacturers do not program the flash memory of the chip and therefore it doesn’t contain the MusicDownload.exe application.

Luckily, thanks to the work by Reinhard Max and Nikolai Radke, it’s now possible to recover those modules. From Nikolai’s Github repository it’s possible to download an ISO image with a minimal Linux distribution and the recovery toolkit:

jq6500-rec-100

After having downloaded the image, you can burn it to a CD (or use software like UNetbootin to transfer it to a bootable USB drive) and restart your PC with that image.

However, there is an alternative way: the use of VMware Workstation Player, a free virtualization software (for non-commercial use) by VMware. Using this application it’s possible to start a virtual machine on your PC that can run the recovery ISO image.

At the end of this post you can find a video that shows all the following steps…

Let’s see how to do it. After having installed the application, create a new virtual machine:

jq6500-rec-008

Choose I will install the OS later:

jq6500-rec-009

Select Linux as operating system:

jq6500-rec-010

Give the VM a name and select the folder where it will be saved:

jq6500-rec-011

You don’t really need an hard disk, so you can specify a small size for it (for example 1Gb):

jq6500-rec-012

Now you have to configure VMware Player to start the VM using the ISO image. Click on Customize Hardware:

jq6500-rec-013

Select the CD/DVD drive and connect it to the ISO image downloaded from Github:

jq6500-rec-014

Before starting the VM, verify that your module is not connected to the computer:

jq6500-rec-015

Wait for the boot process to complete. The toolkit (started automatically) will warn you that it wasn’t able to identify any modules:

jq6500-rec-001

Open the Removable Devices menu and note down all the listed devices:

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Now connect the module to the USB port. If you open the menu again, you should be able to identify which device corresponds to your module:

jq6500-rec-003

Connect it to the virtual machine:

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Perform a new scan typing the command. If everything is ok, now the toolkit should be able to identify the module:

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Depending on the size of the flash memory of your module, choose the correct menu item. Most modules are sold with a 16Mbit or 2Mbyte memory chip:

jq6500-rec-006

At the end of the recovery process, you can shut down the VM and verify that your computer is now able to display the disk content:

jq6500-rec-007

Video

Here’s a video that shows the recovery process:

[youtube id=”9h_RWsfRnY4″ width=”600″ height=”350″]

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8 comments

Reinhard Max Monday April 16th, 2018 - 01:04 PM

Hi Luca,

thanks for your nice tutorial and video.

Meanwhile my jq6500 flash tool for Linux auto-detects the size of the flash on the module and can automatically patch that size into the virtual CD image while flashing it.

So, once Nikolai has adopted this new version of the tool in his rescue image the debricking process should be mostly automatic.

cu
Reinhard

Reply
luca Tuesday April 17th, 2018 - 03:38 PM

Hi Reinhard, thanks a lot for your comment (and for your work!)

Reply
JQ6500 rescue tool virtualbox - Alfieri Mauro Tutorial elettronica Monday June 25th, 2018 - 08:58 AM

[…] Luca ha anche trattato l’argomento JQ6500 rescue tool per recuperare alcuni modelli […]

Reply
Dennis Friday January 18th, 2019 - 07:05 AM

Hi Luca ,
Thanks for your tutorial , worked pretty well for me . Now I am working on jq6500-24ss IC . I am having trouble in detecting the ic as a cd drive ?

Reply
luca Saturday January 19th, 2019 - 09:51 AM

Hi Dennis, unfortunately I don’t own one of those modules so I cannot help

Reply
Johney Hu Wednesday April 3rd, 2019 - 07:36 AM

Thanks for your detail instructions. But I follow the steps to create a new VM with VMware workstation 12 pro.

It shows..

PXE-M0F:Exiting Intel PXE ROM
Operating System not found.

What’s worng?
Please help.

Reply
luca Thursday April 4th, 2019 - 08:05 AM

hi, it seems that you’re not booting from CD, check the configuration about the use of the iso file

Reply
Johney Wednesday April 10th, 2019 - 03:32 PM

Hi Luca :
Thanks for your instructions. I have boot up from the ISO file. But I got another problems. Here is the screen pictures.
https://drive.google.com/drive/folders/1x56tcX7nqaN2Wstph3h_gkoiqkBh22jr?usp=sharing

Reply

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