【Precautions for U disk upgrade】
1) It is recommended to use a FAT32 formatted U disk to store the upgrade files, and it is recommended to use a U disk with only one partition.
2) Put the upgrade files in the root directory of the U disk. If there are many partitions, it is recommended to store them in the root directory of each partition.
The same upgrade file.
3) If using a mobile hard disk, the requirements are the same as the U disk.
4) Before the upgrade operation, please unplug other U disk devices, network cables or wireless network cards, etc.
5) Before upgrading, it is recommended to backup device information, such as MAC address information and device ID information;
For example in M mode, select "Device Information Backup" under "Device Information", and press the "Right Arrow" key to backup.
6) After the upgrade is completed, after the TV restarts, insert the U disk with the backup information into the USB port, and then enter the M mode.
Under the "Device Information" item, perform "MAC address update" and "Device update operation" respectively.
【Check contents after upgrade】
1) Check whether the program content is lost, if lost, enter the menu, select "Auto Search", and search all TVs completely
programme.
2) Check whether the MAC address is incorrect or lost, if there is a backup, update it; if there is no backup, use the long
A rainbow special debugging tooling is used to write the MAC address and device ID.
3) During the upgrade process, if the power is suddenly cut off or the U disk is unplugged and the upgrade is unsuccessful, it will not affect the TV boot and normal work.
After the power is turned off and turned on, perform the above upgrade steps again to upgrade.
4) It is not recommended to replace between 3DTV43858 and 3DTV51858.
All programs must be upgraded to the corresponding 3DTV43858 or 3DTV51858.
1. 10 Changhong PS08 movement plasma color TV bus adjustment
Applicable models: Changhong PT4216, PT4218 plasma color TV.
1.10.1 Bus adjustment method
【Enter/Exit Factory Mode】
In TV mode, press the remote control to enter the "Child Lock" menu item in the main menu, and press the "OK" key to bring up the password input box;
Press the number "7" button, "red" button, number "9" button, and "blue" button on the remote control in sequence to enter the factory mode.
mode, the factory menu mark “M” and the first adjustment item are displayed on the screen, as shown in Figure 1-10.