There are many models of Skyworth TV. There are several types of Skyworth TV 21NI9000 circuit diagrams. The specific movement number is clearly marked on the board. Different movements correspond to different bus methods.
Skyworth 21NI9000 into the bus method
For example, the Skyworth 21NI9000 color TV of many movements is held by pressing the “Volume Down†button of the key control board until the “00†state, and pressing the on-screen display button of the remote control. Press the number keys to select the debug item; the P-MOD password is “789â€. Press the Clear key to exit. Let's do some summary below.
Skyworth color TV I2C bus factory debugging 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 a minimum (00);
(2) Press the panel VOL- and the remote control screen display button at the same time to enter the S mode.
The S character appears in the upper right corner of the screen;
(3) Press the remote control screen display button, the S character disappears on the screen, repeat step (2) again to enter D mode, D character appears in the upper right corner of the screen;
(4) Press the channel +/- option and press the volume +/- keys to change the parameter.
Exit: Press the standby button to exit D mode.
2. Y series of movements to enter:
(1) Press the MENU menu button twice to enter the image menu;
(2) Press the remote control alternate button (Q.VIEW) and the mute button (MUTE) to enter;
(3) Press the TIME timer button to switch the factory menu.
Exit: Press the MENU menu button.
3. 3P10 movement to enter:
Press the remote control SERVICE and MUTE simultaneously.
Exit: Shut down.
4. 5P10 movement into:
First install a button (called the factory button) in the upper right corner of the remote control direction button, press this button to enter. Press the MUTE button to select the menu, press the channel +/- button option, press the volume +/- button to adjust the number.
Exit: Press the factory button.
5. S series movement (4S02, 4S10, etc.) enters:
Press the remote controller CLEAR button, then press the VOL-, AFT button (the middle button at the bottom of the remote control).
Exit: Press the PIC button 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 panel volume +/- button at the same time to turn it on again.
Exit: Shut down. Note: The rewriting method of 3N10 memory is as follows. After entering the factory menu, press the SM button and the PM button at the same time. The screen jumps or flashes to indicate that the memory initialization is complete. Write the second line of data again.
8. 5N01 movement enter: Press the panel channel +/- button at the same time, then turn on the machine and write the second line of data 123635. Exit: Shut down.
9. The 5N10 movement enters and exits the same as the 5N01 method, but the second line of data is 117550437.
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