Additional preparation, Troubleshooting

Additional preparation

The illustrations shown in this section are for AV-21CN14 only, which are used for explanation purposes. Your TV may not look exactly the same as the illustration.

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 ofthe	TV
		Camcorder or TV game

Headphones

Rear of the TV

VCR (for playing)

(Composite signals)

DVD player

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.
Snowy picture	• Check the antenna 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 antenna
	direction or use a better directional-
	ity antenna.
Poor picture	• Choose the appropriate color
	system. Refer to “COLOR SYSTEM”
	on page 8.
	• Adjust the COLOR 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 colored	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	11).
TV turns off	• This may due to the AUTO SHUT
suddenly	OFF function is activated. Press the
	POWER button to turn on the TV.
Color patches	• This may due to a 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 magnetically shielded
	speaker.
Image takes a	• A short periode of time is required
short period to be	to stabilize the image.
displayed	This is not a malfunction.
TV emits a	• 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.

AV-21CN14 specifications

The JVC AV-20NN14, AV-21YN14, AV-14FN14, and AV-21CN14 are part of JVC's acclaimed lineup of CRT televisions that garnered popularity in the late 20th century. Known for their robust performance and vivid picture quality, these models exemplify JVC's commitment to delivering an exceptional viewing experience.

One of the standout features across these models is their use of advanced CRT technology, which allows for deep blacks and vibrant colors. The phosphor blends in these tubes produce a wider color gamut, providing lifelike images that enhance the viewing experience. The AV-21YN14, for instance, integrates a 21-inch screen, offering a generous viewing area suitable for immersive watching of movies and shows.

These televisions are also equipped with various input options to ensure compatibility with multiple devices. Multiple composite inputs and RF connections allow users to easily connect DVD players, gaming consoles, and VCRs. The AV-14FN14 model takes connectivity a step further with its inclusion of S-Video input, resulting in improved image quality for compatible devices.

The user interface is designed to be intuitive, featuring straightforward controls and a remote for easy operation. This user-friendly aspect enhances accessibility for all users, including those less familiar with technology. In addition, these models boast built-in audio systems that deliver clear sound quality, complementing the visual experience.

Another notable characteristic is the durability of these televisions. Built with robust casing and high-quality components, they are designed to withstand regular use and aged gracefully, often lasting well beyond their expected lifespan. The technology employed in these units minimizes screen burn and ensures long-term performance.

Energy efficiency is a priority in the design of JVC's televisions, with the AV-20NN14 and AV-21CN14 models consuming less power than many of their contemporaries. This focus on sustainability maximizes performance while reducing energy costs for consumers.

In summary, the JVC AV-20NN14, AV-21YN14, AV-14FN14, and AV-21CN14 stand out in the CRT television market due to their exceptional image quality, versatile connectivity options, user-friendly features, durability, and energy efficiency. Each model represents a blend of technology and functionality that appeals to a wide range of viewers, ensuring a satisfying home entertainment experience.