firmware update???

manas001 · #1 (**permalink**) 29th Dec 2011, 1:01 am

hi everyone
i have a mp4 player of jxd. who details which i have found on opening it are as follow:
model: jxd 656

cam id : QR768B
20058

LCD ID: NT4SHY3624A
081109

SUNPLUS 3052A-HL171
0834
M187W27

FLASH: HYNIX KOR
HY27UT088G2A
TPCB 840A

ELPDA SINGAPORE
D4512816305
A75-9JF
0749XE02T

BOARD ID: JXD206DD1
0813
I HAVE UPDATED MY FIRMWARE MANY TIMES BY CONNECTING WITH THE PC.
I HAVE ITS DRIVER ,PROGRAMS AND FIRMWARE ETC.
ONE DAY WHEN I WAS UPDATING THE FIRMWARE BY PRESSING TE KEY COMBINATION IT WAS DETECTED BY MY PC.
BUT WHILE UPDATING I HAVE DISCONNECTED FROM THE PC BECAUSE IT WAS TAKING LONG TIME.
SINCE THAT DAY I AM UNABLE TO CONNECT IT AGAIN TO MY PC.WHENEVER I CONNECT IT IS NOT RECOGNIZED BY MY PC.AT THAT TIME I WAS NOT AWARE THAT WHILE UPDATING FIRMWARE PLAYER SHOULD NOT DISCONNECT.
I HAVE SEARCH A LOT AND SOMEONE SAID TO SHORT CIRCUIT SOME PIN OF FLASH AND CONNECT IT AGAIN IT WILL BE DETECTED .

CAN ANYONE HELP ME WHICH PINS OF FLASH HAS TO SHORT CIRCUIT OR WHAT TO DO SO THAT IT CAN AGAIN DETECTED BY MY PC.
PLEASE HELP
THANKS

manas001 · #2 (**permalink**) 1st Jan 2012, 9:57 pm

can anyone help please

knob · #3 (**permalink**) 2nd Jan 2012, 10:11 am

manas001 · #4 (**permalink**) 3rd Jan 2012, 2:38 am

i have short circuited the pin 29 and 30 with an all pin but still it not recognized by pc. one thing more should i have to hold play button while short circuit or not when i have to connect. i have try both means hold and short circuit and short circuit alone bot none has work.

manas001 · #5 (**permalink**) 3rd Jan 2012, 2:40 am

i have short circuited the pin 29 and 30 with an all pin but still it not recognized by pc. one thing more should i have to hold play button while short circuit or not when i have to connect. i have try both means hold and short circuit and short circuit alone bot none has work.

manas001 · #6 (**permalink**) 3rd Jan 2012, 2:41 am

Quote:

Originally Posted by knob

i have short circuited the pin 29 and 30 with an all pin but still it not recognized by pc. one thing more should i have to hold play button while short circuit or not when i have to connect. i have try both means hold and short circuit and short circuit alone bot none has work.

manas001 · #7 (**permalink**) 4th Jan 2012, 10:38 pm

anyone knows ???

manas001 · #8 (**permalink**) 10th Jan 2012, 2:47 pm

?????????????????????????????????????????