TV screen orientation is different from the image by the magnetic force of the earth is not the same thing if you adjust the image facing down , and when the image changed to the Northern and Southern tilt occurs . TV screen size is small , the tilt is not too obvious impact on the user , when the screen size is large, such as more than 64cm TV , is quite clear .p8zservice manual download site
p8zservice manual download site
Hisense TC2900, TC2902G-D TV belongs TC1238 movement, the motherboard does not have an image rotation function , but the machine has this feature, so simple lines and how to achieve rotation of the image it ? No such line to the user 's line in the figure, the left is made ​​according to real draw .p8zservice manual download site
p8zservice manual download site
The principle is : CRT deflection coil in the back , added a diameter of about 25cm degaussing coil ( which is actually a sub-deflection coil ) , a specific number of turns is unknown. By changing the size and direction of the current in the coil , i.e., changing the size and direction of a horizontal magnetic field to counteract the effects of the geomagnetic field ( the image rotated ) .p8zservice manual download site
p8zservice manual download site
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