SONY CHINA mp4 player

[kofmzc]

Hi there, i had a 512 mb sony china portable mp4-mp3-game player



http://www.imagefilez.com/out.php/i2...rSHOT23452.jpg

its software was doing some problem .. so i downloaded a software isp test v5.2 and uploaded userusb.bin file into i dnt know what it do.. but after then my mp4 player gone off. now when i try to switch it on its dead, nothing happens when connect it to my pc
even when i push the start button no green light appears... only red light appear when i connect it to charger

after reading an article here i opened its back and tried the discribed process but nothing happens,

it has two black chips inside one on written
Toshiba y29942
0045kad japan
TC59sm716aft-80


and on other Icatch sunplus
spc536a - pb111
0622-b
mdm3727.00


can any one help me to make it working again :cry: :cry: