HELP ME FIX: DEAD CHINA MP4 PLAYER 16GB 2.8 TOUCH 3M CAMERA (attached images)

[bigbrother2k]

Hi,

Recently I bought an China MP3/MP4 player from ebay like this:
16GB 2.8" Touch Screen MP3 MP4 VIDEO PLAYER 3.0M Camera - eBay (item 110574258496 end time Sep-15-10 11:21:23 PDT)

After 1 hour of playing some songs it stopped working. I am trying for many days to make it usable again.
Please help me. I will provide any info you like.

I opened the case and found:

Board ID: ZX-8051R-TLSK-T-V5.1
CPU ID: ATJ233T
MEMORY : hynix h27uag8t2atr bc 029h m1pk508901
LCD ID : XY-2.8TFT-27B-100520 (On data LCD cable: XY-2.8TB-V1)

The MP4 player cannot start. When I press the POWER ON button it just flashes the small blue circle
in front. Nothing else happens. When I plug it to USB power adaptor, only the blue light led comes up
(nothing on screen). When I plug it to USB, it detects a USB device with:
VID=10D6 and PID=FF96

In device manager:
USB\VID_10D6&PID_FF96\5&2904E43D&0&2

I managed to download the ADFUUD.SYS and AdfuUpdate.inf and added in the ADfuUpdate.inf the VID and PID
number and now, when the device is connected I see that a device called: "USB 2.0 (HS) ADFU Device"
connects.

I have tried various Flashing programs (Actions, Rockchop, Sunplus) and no program finds my device.
For Example from "MP3 Player Product Tool" for ACTIONS chipset it always says: "Found total 0 usb device: 0 disks, 0 ADFU"

I cannot do anything else and I am desperate. I payed $37 USD and it only worked for 1 hour.

These are the links to some photos:
Photo of the board:





Photo of the back case:



Photo of the front case:




Photo that shows only the blue circle on the bottom when I press the power on button





Photo of the front board with the LCD:




Please please help me.
1) Find a program that will be able to flash this
2) Find a firmware

What software will recognize the ADFU Device for ATJ 233T with VID=10D6 and PID=FF96.

What to do? Any link to read?

How can we extract the firmware from another one that is in good condition?

Thank you very much!

[techer]

if you can get a working unit I can read the tsop in it and email you them image .

[wkmccoy]

Did you press the Reset (between the camera lens and the speaker) to bring it back to operation. I and my brother both have this model. Make sure it has
a full charge. I would not change the Firmware, that is usually not the problem.

The players are not 16GB, they are faked and only 1.8GB free memory. If you put too much in the memory, it will hang on you, etc.

There are ways to fix the memory to be a true 1.8GB which will not allow you to overwrite it. Meanwhile reformat and do not overfill the memory.

[bigbrother2k]

Hi guys and thanks for your will to help me.


@techer "if you can get a working unit I can read the tsop in it and email you them image ."

I will try to find the same model and type from ebay. If I find someone on this forum or on the INTERNET that has the same unit, how can he read the tsop? Is there any utility that I can sent to him and ask him to execute it?

Also, dear techer, can you give instructions to user wmkccoy who has a similar unit, and
extract the tsop so you can create a firmware?



@wkmccoy
I have tried many combinations of reset button:
(a) press reset once and connect to PC. Nothing happens (no ADFU device)
(b) press reset and keep pressing reset and connect to PC. Nothing happens (no ADFU device)
(c) press reset and poweron and connect to PC. Nothing happens. If I stop pressing reset
and just keep pressing poweron the ADFU is detected.

I (to my annoyance) know now that these players are 1.8GB. I put too much data on this
and unfortunately, it crashed, and cannot boot up.

I cannot do a reformat because only the ADFU device is detected, which means that requires its firmware to be re-written. It seems that my only solution is to find a
valid firmware, but as "wmkccoy" posted, the TSOP is required. Can you help me and
find the tsop of your brother's unit?


Thank you all very much in advance,

BB

[wkmccoy]

I did not suggest that you get a tsop--techer did. I have fixed my player to a true 1.65GB memory. My brother is 600 miles away, and he is afraid to fix his because it is complicated and he does not want to ‘brick’ his player. I bought 4 or 5 players (one like yours) and fixed them all. They are somewhat different from each other.

You do not have to mess with the Firmware to fix them. It appears to me that the memory management chip is the hacked part. If you do not overfill the true size, you
do not have problems. Reformatting fixes the corrupted files, but be sure to copy your
directories first and re install them. Full battery discharge, then recharge seems to reset some balky players.

I do not recommend this unless all else is exhausted –but--You can repartition the primary partition to it’s true size (run h2testw for size), and then reformat the memory without affecting the Firmware.

One free program can do this and see the USB player----http://pcdisk.com/download.html
Download the .pdf file also. I do not know how to put Word Docs here, but I can send you some files I made while fighting the Players, if you give me your email address.

Windows purposely does not partition USB drives. Free Puppy Linux, which can be run from a disk, can also see the USB drives, partition and format.

[bigbrother2k]

Originally Posted by wkmccoy

If you do not overfill the true size, you[/SIZE][/COLOR]
do not have problems. Reformatting fixes the corrupted files, but be sure to copy your

thanks for your help,

but I have overfill the true size and thus my firmware was corrupted.

For this reason No disk is attached to 'My Computer' when I insert this Mp4. the only think that I can see when I connect this device is the ADFU Device like this:



Thus, I cannot format/re-partition the player. My player cannot start at all.Nothing is displayed on the Mp4 screen.

thanks again and I am still open at suggestions or things to try,

BB

[wkmccoy]

Overfilling the player memory does not destroy the firmware.
Are you sure your player is charged. Can you read 3.7V on the battery?
Did you get an external charger that Works off of 110V AC power?
I have found that the player will not fully charge with the computer
connected to it.

If your player is charged, let it discharge all the way (the button light will go out). It may then reboot
when you recharge the battery.

[bigbrother2k]

Overfilling the player memory does not destroy the firmware.

In my case this is the only logical conclusion:

1) My player originally worked OK with sample mp3/videos
2) The player was able to connect to PC and being identified as a USB/Flash drive
3) I connected my device to my "mpeg4 digital tellestrial television decoder with USB input XORO XRT 7600" in order to record a video file.
4) Initially the decoder start recording on the MP4 device (the record lamp was visible).
5) After some recording time the USB was suddenly and without reason disconnected. The XORO decoder was not
able to detect it as a USB Flash drive anymore.
6) I connected to two different PCs, with different USB cables and they did not detect is as FlashDrive, but as an unknown USB device with "USB\VID_10D6&PID_FF96\5&2904E43D&0&2"
7) I tried with different USB chargers that I have and connect directly to power outlet 220V (one with 200mA, one with 500mA, one with 1000mA). They cannot charge it (the charging lamp of the Charger does not lit). This device cannot be charged as long as it cannot boot up. When I connect the charger, I just hear a beep (as an error) and I do not see anything on the screen. It does not charge.


The Voltage on the battery is correct 3,73V.

if I briefly press the power-on button I just hear a beep. When I release it the unit power-offs. As long as I press the power-on button, the small blue circle in the bottom lights up. I do not think that I have to keep pressing for some hours until the battery is exhausted. Eventually, the battery will discharge if the unit is simply on the desk waiting...

Thanks,

BB

[wkmccoy]

---3) I connected my device to my "mpeg4 digital tellestrial television decoder with USB input XORO XRT 7600" in order to record a video file.
4) Initially the decoder start recording on the MP4 device (the record lamp was visible).
5) After some recording time the USB was suddenly and without reason disconnected. The XORO decoder was not
able to detect it as a USB Flash drive anymore----

If your player did not work after doing this, I wonder if you may have damaged the input and also the firmware device from overvoltage??

[bigbrother2k]

Originally Posted by wkmccoy

---3) I connected my device to my "mpeg4 digital tellestrial television decoder with USB input XORO XRT 7600" in order to record a video file.

If your player did not work after doing this, I wonder if you may have damaged the input and also the firmware device from overvoltage??

We cannot conclude this with certainly. I believe that all USB ports are compliant with USB standards. Thus the voltage is not over 5V.

Input (USB) on the device is not damaged, because when I connect it to my PC it is detected as a USB ADFU Device. If it was damaged nothing would be detected.

I agree with you that firmware was damaged from the above procedure, but perhaps this happens due to overfilling the unit with over 1.8GB. Perhaps the firmware is stored on
the flash memory and when the data over 1.8GB was written on the device it was damaged.

Where is the firmware usually stored on these devices?

Thankx