Hitachi L42X01AU, L37X01AU manual Vertical stripes appear

TROUBLESHOOTING (continued)

Symptom and Check List (continued)

Symptoms	Check list	Page
Ɣ The image on the screen is moving in an	Ɣ Adjust “Horizontal Clock” and “Clock
oblique direction.		35
	Phase”.
(PC input mode only)

ƔThe coarse horizontal stripes could be

seen in full-display mode.					Ɣ Adjust “Horizontal clock”.				35
(PC input mode only)
Ɣ The part of the image is lacking.
				AAAAA	Ɣ Try “Auto Adjust”.				35
(PC input mode only)
Ɣ The horizontal stripes are moving					Ɣ Check the Signal status of the PC by
vertically with flickering screen.					pressing Recall button			on the remote	35
(PC input mode only)					control.
Ɣ When the characters are displayed on the					Ɣ Try “Auto Adjust”.
whole screen,	the vertical stripes appear
			abcdefgABCDEFGabcd		Ɣ If the display condition is not improved with				35
and some of the characters are blurred.			abcdefgABCDEFGabcd
					Auto Adjust, adjust “Horizontal Clock”.
(PC input mode only)
Ɣ When the letter string is displayed in					Ɣ Try “Auto Adjust”.
full-screen, all of the characters on the		abcdefgABCDEFGabcd			Ɣ If the condition is not improved with Auto				35
screen is blurred.					Adjust, adjust “Clock Phase” till you get
		abcdefgABCDEFGabcd
(PC input mode only)					clearest image.
Ɣ When the small patterns are displayed on					Ɣ Try “Auto Adjust”.
					Ɣ If the condition is not improved with Auto
the screen, the entire screen is flickering.									35
					Adjust, adjust “Clock Phase” till you get
(PC input mode only)
					flicker-free display.
Ɣ Image cannot be displayed in the correct position.					Ɣ Press	button to check if input signal of			51 , 35
					the displayed image is compatible with the
(PC input mode only)
					specification of the television.
					Ɣ It might occur because it is tuned to digital
Ɣ No Picture or sound is output. (DTT mode only)					teletext channel.				45
					Ɣ Return to another channel.
					Ɣ Press and hold down			[Yellow],
					[Blue] and		buttons on the remote
Ɣ Forgotten password. (DTT mode only)					control simultaneously for over 3 seconds				44
					so that the password returns to the default
					setting (0000).
Ɣ Due to the bad reception, block noise (DTT mode only)					Ɣ Check the aerial system to improve signal				15
					quality.
Ɣ Local time displays incorrectly.					Ɣ Check if you select correct area in “Local				45
(DTT mode only)					time” from “General setting”.

54