JVC TM-L450TU specifications Troubleshooting, Problems Points to be checked Measures remedy

TROUBLESHOOTING

Before requesting repair, check the following points.

Problems	Points to be checked	Measures (remedy)
No power supply.	Is the power plug loosened or	Firmly insert the power plug.
	disconnected?
	Is the battery charged properly? (when	Charge the battery or replace the
	a DC power supply is used)	charged battery (refer to the battery
		charger you are using).
No picture with the	Is the signal output from the connected	Set the connected equipment
power on.	equipment?	correctly.
	Is the input signal selected correctly?	Select the correct input.
	Is the video signal cable disconnected?	Connect the video signal cable firmly.
No sound.	Is the audio signal output from the	Set the connected equipment
	connected equipment?	correctly.
	Is the volume set to minimum?	Adjust the volume properly.
	Is the audio signal cable disconnected?	Connect the audio signal cable firmly.
Picture is shaking.	Is the monitor close to a motor,	Move the monitor away from the
	transformer or other device generating	device until the picture stops shaking.
	a strong magnetic field?
No colors, wrong	Has COLOR SW been set to OFF?	Set COLOR SW to ON in the menu.
colors, or dark
picture.
	Has the picture control setting	Adjust each setting to the standard
	(CONTRAST, BRIGHTNESS,	value [0].
	CHROMA or PHASE) been changed?
Some parts of the	Is the monitor close to a speaker or	Keep speakers and magnets away
picture are	magnet? Did you move a speaker or	from the monitor.
distorted.	magnet close to the monitor?
There are black	Is the screen size set to 16:9?	Set the screen size to OVER or
parts on the top		UNDER.
and bottom of the
screen, and both
horizontal sides of
the picture is
indented.
		(continued on the next page)

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