Changhong Electric TM201F7U, TM150F7U, TM150F7U, TM201F7U manual Troubleshooting, Page

TROUBLESHOOTING

Before calling a technician, please check the following table to see if the below mentioned symptoms can be diagnosed and fixed.

Symptoms	Possible Reasons				Correction
No picture, no sound,	1.The power adapter is not plugged	1.Plug the power adapter in
	in
and no indicator light on		2.Turn the power on
	2.The power is off
No picture, no sound,
but the yellow light	Functions of On Time have been set	Press【		】to turn on the TV
indicator
	1.Contrast, sharpness, and color are	1.Adjust			the	value	of	Contrast,
		sharpness, and color
Picture and sound with	set improperly
		2.Set the Color system to the country
abnormity	2.Color system is set improperly
		broadcasting standard
	3.Sound system is set improperly
		3.Set the Sound system to the country
		broadcasting standard
Picture is spotted or with	Signal source is low-grade ;	Use the qualified signal cord
	The signal is in a lower quality;
snow		Input the signal
	No signal input
Blue background in AV	No Video signal or the signal cord is	Connect the signal cord properly
mode	improperly/not connected
Picture is unclear, or		Adjust automatically by selecting Auto
		Adjust or	adjust			Clock	、 Phase、H
moves or have black
	Picture is not well adjusted	Position and V Position manually after
stripes on horizontal
		enter into the PC Setup menu to solve
position in PC mode
		this problem
PC Picture is not in the		Adjust pictures automatically by
	Picture is not well adjusted	resetting	H Position、V Position、
middle of the screen
		Phase and Clock
	No Audio signal or the signal cord is	1.Connect			the	audio	signal		cord
No sound		properly
	improperly/not connected
		2.Set the sound system properly
		1.Make sure the positive and the
		negative polarities are correct.
The remote control does	Batteries are improperly installed or	2.Check if there is					loose contact
not work	exhausted	between			the	springs		and	the
		batteries.
		3.Replace the batteries

PAGE 18