Samsung LN22A450C1, LNA0C Adjust the Coarse tuning and then adjust the Fine tuning, Input, Screen

Problem	Possible Solution
Horizontal bars appear to flicker,	Adjust the Coarse tuning and then adjust the Fine tuning.
jitter or shimmer on the image.
Vertical bars appear to flicker,	Adjust the Coarse tuning and then adjust the Fine tuning.
jitter or shimmer on the image.
Screen is black and power	On your computer check: Power, Signal Cable.
indicator light blinks steadily.	The TV is using its power management system.
	Move the computer's mouse or press any key on the keyboard.
Image is not stable and may	If the setting is not correct, use your computer utility program to change the display settings.
appear to vibrate when you have		Your TV supports multiscan display functions within the following frequency domain:
a computer connected to the PC
		Horizontal frequency (kHz)		30~60
input.
		Vertical frequency (Hz)		60~75
		PC Maximum refresh rate	1680 X1050
		(at 60 Hz)
Image is not centered on the	Adjust the horizontal and vertical position.
screen.	The screen position must be adjusted on the output source (i.e. STB) with a digital signal.
The picture appears distorted in	If "Just Scan" is selected with some external devices, the picture may appear distorted in the
the corner of the screen.	corner of the screen. This symptom is caused by the external devices, not TV.
The ‘Resets all settings to the	This appears when you press and hold the EXIT button for a while.
default values’ message appears.	The product settings are reset to the factory defaults.

This TFT LCD panel uses a panel consisting of sub pixels (5 292 000) which require sophisticated technology to produce. However, there may be few bright or dark pixels on the screen. These pixels will have no impact on the performance of the product.

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