| Lg ms770
I am trying to read the eMMC chip on a LG MS770 phone that is in working order. The eMMC chip is a Toshiba THGBM4GGD2HBAIC 4GB chip. I traced back Vcc, Clk, Cmd, VccQ, and D0. However when I attempt to read the eMMC chip I get the following error:
EasyJtag Suite ver.: 1.0.88.0 started.
Operating system ver.: Windows 7 (build 7601, Service Pack 1), 64-bit edition.
Successefuly connected to box on COM39
Box S/N: 16XXXX, ,FW Ver.: 01.47
Box Working Mode: JTAG Box.
Box Drivers version: 3.0.0.0, are OK
Z3X Card Serial : AA81-7A1C , ver: 22
Successefuly connected to box on COM39
Box S/N: 16XXXX, ,FW Ver.: 01.47
Loading eMMC Addon Firmware...
CMD Pullup Level:1660 mV
CMD Active Level:2155 mV
eMMC ACK Error ( Check Connection )
eMMC Card initialisation error!
I have rechecked my connections and reconfirmed my connection points on my test phone. See attached image for solder connections.
Any suggestions?
J2 |