JVC AV-21DMT4, AV-21YMT4 Additional preparation, Troubleshooting, Headphones Rear of the TV

Additional preparation

The illustrations shown in this section are for AV-14FMG4 only, which are used for explanation purpose. Your TV may not look exactly the same as illustrated.

Before connecting

•Read the manuals provided with the devices for the proper connection.

•Turn off all the devices including the TV.

•Note that connecting cables are not supplied.

Front of the TV￿￿		Camcorder or TV game
￿￿￿￿￿￿￿￿￿￿￿￿￿￿	￿￿

Headphones

Rear of the TV

VIDEO-1	OUTPUT
INPUT

VIDEO

AUDIO

VCR (for playing)

DVD player (Composite signals)

VCR (for recording)

Troubleshooting

If a problem occurs when you are using the TV, check the following troubleshooting guide before calling for repair.

No picture,	• Deactivate the BLUE BACK function
no sound	if it is turned on.
	• Choose the appropriate sound
	system. Refer to “SOUND SYSTEM”
	on page 10.
Snowy picture	• Check the aerial cable and its
	connection with the TV.
Stripes appear	• Interference occurs caused by other
on the picture	devices such as an amplifier,
	personal computer, or a hair drier.
	Move such devices away from your
	TV.
Double-pictures	• Interference occurs caused by
(ghosting) occur	signal reflecting from mountains or
	building. Try to adjust the aerial’s
	direction or use a better directional-
	ity antenna.
Poor picture	• Choose the appropriate colour
	system. Refer to “COLOUR
	SYSTEM” on page 8.
	• Adjust the COLOUR or BRIGHT
	setting. Refer to “Adjusting the
	picture - USER” on page 8.
White and bright	• Inevitable phenomenon due to the
still image look as	nature of the picture tube. This is
if it were coloured	not a malfunction.
Top of the image	• This is due to the condition of the
from software	video signal whereby the image
products or video	was not recorded properly.
tape is distorted	This is not a malfunction.

Cannot operate the• The batteries may be exhausted.

remote control	Replace with new batteries (see
	page 6).
	• Ensure that you are operating the
	remote less than seven meters from
	the front of your TV.

Cannot operate the• Press TV/VIDEO button to return to

menus	TV mode and try operating the
	menus.
Cannot operate the• Deactivate the CHILD LOCK
front control	function if it is turned on (see page
buttons	12).
TV is turned off	• This may due to the AUTO SHUT
suddenly	OFF function is activated. Press the
	POWER button to turn on the TV.
Colour patches	• This may due to the magnetized
appear at the	device such as a speaker near to
corner of the	your TV. Keep the device apart
screen	from your TV. Alternately, you can
	also use the magnetic- shielded
	speaker.
Image takes a	• Image required time to stabilize
short period to be	before display.
displayed	This is not a malfunction.
TV may emitted	• This is due to a sudden change in
crackling sound	temperature and it is not a
	malfunction. If the crackling sound
	is too frequent, request your service
	technician for inspection.
Feel a slight	• This is due to the static electricity
electric shock	of the picture tube and it will not
when touching the	harm the human body. This is not a
TV screen	malfunction.

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