If software doesn't fix the boot loop, check the 5V and 3.3V power rails on the mainboard, as failing LDO regulators are common in Changhong models.
Try a different USB drive, as some mainboards are picky about USB 3.0 vs. USB 2.0. Download JUC7 820 00229436 1920x1080 Changhong part5 rar
For older or out-of-warranty models, technicians often use sites like Elektrotanya to find schematics and eeprom dumps. Step 2: Preparing the USB Drive If software doesn't fix the boot loop, check the 5V and 3
Once you have downloaded all parts, including "part5.rar," use a tool like WinRAR or 7-Zip to extract them. You should end up with a single .bin file (e.g., allupgrade_msd6486.bin or similar). Format a USB flash drive (ideally 8GB or smaller) to . For older or out-of-warranty models, technicians often use
Ensure the file is renamed correctly according to your board's requirements.
Please provide your TV model number or panel type so we can help you find the exact firmware match.