dead ipod a like 1'5 ATJ2091n

[vvizard]

hello
I've MP4 player 1GB Ipod a like with
chip ATJ2091n
memory hynix hy270008805m


I use MP3 Player Product Tool because MP3 Player Update tool freezes when i try to upgrade

First LCD Screen shows clepsydre (orange - yellow background) now when i tried to upgrade the screen is black / sometimes working led light

i tried to use those flashes:
LSD_ATJ2091N_18V_A1_SSD1784(LS).bin
LZY_B0-25018.fw
XBJ_BKS25&03002.fw
XBJ_BKS25002.fw
hy875c.FW
3.5.37-512mb-20070911.bin
Firmware 9.0.50 board id ATJ2091N memory 4GB 704K9LAG08U0MPCB0.bin
recovery.bin

I known when i try to use flash with 3.37 firmware and 3.35 MP3PPT freezes, only 9> can be downloaded

What can I do next ??

Please help me