JVC AV-29MT36, AV-21MT36 Troubleshooting, This may due to the magnetized device such as a

Troubleshooting

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

• No picture,	• Deactivate the BLUE BACK function if it is turned on.
no sound
• Snowy picture	• Check the aerial cable and its connection with the TV.
• Stripes appear on the	• Interference occurs caused by other devices such
picture	as an amplifier, personal computer, or a hair drier.
	Move such devices away from your TV.
• Double-pictures	• Interference occurs caused by signal reflecting
(ghosting) occur	from mountains or building. Try to adjust the aerial’s
	direction or use a better directionality antenna.
• Poor picture	• Choose the appropriate color system. Refer to
	“COLOR SYSTEM” on page 9.
	• Adjust the COLOR or BRIGHT setting. Refer to
	“PICTURE SETTING” on page 10.
• White and bright still	• Inevitable phenomenon due to the nature of the
image look as if it were	picture tube. This is not a malfunction.
colored
• Top of the image from	• This is due to the condition of the video signal
software products or	whereby the image was not recorded properly. This
video tape is distorted	is not a malfunction.
• Poor sound	• Adjust the sound frequency properly. Refer to
	“EQUALIZER” on page 13.
• Stereo or SAP sound	• TV channel reception is poor. Change the stereo/
is unclear	SAP mode to mono sound (see page 13).
• Cannot operate the	• The batteries may be exhausted. Replace with new
remote control	batteries (see page 7).
	• 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 TV mode and
menus	try operating the menus.
• Cannot operate the	• Deactivate the CHILD LOCK function if it is turned
front control buttons	on (see page 15).

• Color patches appear	• This may due to the magnetized device such as a
at the corner of the	speaker near to your TV. Keep the device apart from
screen	your TV. Alternately, you can also use the magnetic-
	shielded speaker.
• Picture is tilted	• This may due to the earth magnetism. Refer to
	“PICTURE TILT” on page 11 to correct the tilt.
• Image takes a short	• Image required time to stabilize before display. This
period to be displayed	is not a malfunction.
• TV may emitted	• This is due to a sudden change in temperature and it is
crackling sound	not a malfunction. If the crackling sound is too frequent,
	request your service technician for inspection.
• Feel a slight electric	• This is due to the static electricity of the picture tube
shock when touching	and it will not harm the human body. This is not a
the TV screen	malfunction.
• After you connect the	• Please check that the AUTO SIGNAL DETECT
signal to VIDEO-2 and	function is on or off.
playback VCR or DVD	• Press button (VCR or DVD Player) to turn the
Player, the Auto Detect	machine off and turn it on again; do not turn the
does not work.	machine off and on suddenly.

•Inspect the video cable connection on VIDEO-2 that they are connected properly.

•When you are watching • Inspect the video cable connection on VIDEO-2 that

another channel that	they are connected properly.
is not VIDEO-2, AUTO	• In a certain VCR or DVD Player, the function might
SIGNAL DETECT	operate by the discontinuity of the signal.
works while VCR or
DVD Player was on.
• While you are	• In a certain VCR or DVD Player, the function might
watching TV on the	operate by the discontinuity of the signal.
other channels, AUTO
SIGNAL DETECT
works when you press
1, 7, 3, ¡ or 8
on the front panel of
VCR or DVD Player.
• After TV was on,	• Video signal from VCR or DVD Player cause the
AUTO SIGNAL	function runs properly to indicate that there are video
DETECT works.	signal on VIDEO-2 channel.

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