There are many models of Skyworth color TVs. There are several types of Skyworth TV 21NI9000 circuit diagrams. The specific movement numbers are clearly marked on the board. Different movements correspond to different bus input methods.
Skyworth 21NI9000 into the bus method
For example, many movements of Skyworth 21NI9000 color TV are entered by holding down the "Volume Down" button on the key control board until the "00" state, and pressing the on-screen display button of the remote control at the same time. Press the numeric keys to select the debugging item; the P-MOD password is "789". Press the clear key to exit. Below we make some summary.
Skyworth Color TV I2C bus factory debug mode entry method summary
1. T series movements (3T20, 3T21, 3T30, 4T01, 5T03, 5T10, 5T20, 5T21, 5T25, etc.) enter:
(1) The volume is reduced to the minimum (00);
(2) Press VOL- on the panel and the on-screen display key on the remote control at the same time to enter S mode.
At this time, the S character appears in the upper right corner of the screen;
(3) Press the on-screen display key of the remote control, the S character on the screen disappears, repeat step (2) again to enter the D mode, and the D character appears in the upper right corner of the screen;
(4) Press the channel +/- option and press the volume +/- key to change the parameter.
Exit: Press the standby button to exit D mode.
2. Y series of movements to enter:
(1) Press the MENU button on the remote control twice to enter the image menu;
(2) Press the remote control alternate key (Q.VIEW) and mute key (MUTE) in sequence to enter;
(3) Press the TIME button to switch the factory menu.
Exit: Press the MENU key.
3. 3P10 movement to enter:
Press SERVICE (operation key) and MUTE (mute key) of the remote control at the same time.
Exit: Shut down.
4. 5P10 movement entry:
First install a key (called factory key) in the upper right corner of the remote control direction key, press this key to enter. Press the MUTE key to select the menu, press the channel +/- key option, press the volume +/- key to adjust the number.
Exit: Press the factory key.
5. S series movements (4S02, 4S10, etc.) enter:
First press the remote control CLEAR button, then press the VOL-, AFT button (the middle button of the bottom three buttons of the remote control).
Exit: Press the PIC key on the remote control.
6. 5S01 Movement to: Panel Press TV / AV MUTE key and key, i.e. into the boot, pressing the key to select the submenu PIC, press the key to select the program sub +/-, volume +/- buttons adjust press parameters.
7. N series movement (3N10, 3N20) Enter: Press the volume +/- button at the same time and then turn on the machine .
Exit: Shut down. Note: The rewriting method of 3N10 memory is as follows. After entering the factory menu, press the SM key and the PM key at the same time, the screen jumps or flashes once to indicate that the memory initialization is complete. Write the second row of data.
8. 5N01 movement entry: Press the channel +/- button at the same time, then turn on the machine , and write the second line of data 123635. Exit: Shut down.
9. The entry and exit of the 5N10 movement is the same as the 5N01 method, but the data in the second line is 1175704371.
High Temperature Constant Test Chamber
High Temperature Constant Test Chamber,Pv Module Testing Test Box,Automotive Parts Testing Test Machine,Thermal Insulation Test Chamber
Wuxi Juxingyao Trading Co., Ltd , https://www.jxymotors.com