Thursday 4 October 2018

CM8350 LG Hi-Fi system – How to update the software, Hidden key modes, SMPS and Main AMP schematic

LG CM8350 (CM8350, CMS8350F) HI Fi system
Program download: Audio program
Download program file name must be MICOM_CM8450_YYMMDDX.HEX
If security program(Water Wall) is activated on PC, you must save the file to the USB storage device and disable the security software, then download the file to your set.
Downloading file proceeds in the same way at USB1 function and USB2 function.
Caution: When downloading the file, you should neither unplug the USB device, change to the other function, nor power off the device. USB device must be unplugged when the downloading process is completed.
CD program
Download program file name must be HG580_CM8450_YYMMDDX.bin
If security program(Water Wall) is activated on PC, you must save the file to the USB storage device and disable the security software, then download the file to your set.
Downloading file proceeds in the same way at USB1 function and USB2 function.
Caution: When downloading the file, you should neither unplug the USB device, change to the other function, nor power off the device. USB device must be unplugged when the downloading process is completed.
EQ program
Download program file name must be EQ_PRG.BIN
If security program(Water Wall) is activated on PC, you must save the file to the USB storage device and disable the security software, then download the file to your set.
Downloading file proceeds in the same way at USB1 function and USB2 function.
Caution: When downloading the file, you should neither unplug the USB device, change to the other function, nor power off the device. USB device must be unplugged when the downloading process is completed.
SMPS schematic
Main AMP schematic
Hidden key mode
Service information for EEPROM