Troubleshooting - JVC AV-29MT35, AV-29MT15, AV-29VA15, AV-21MT35, AV-21MT15, AV-21VA15, AV-25MT35, AV-25MT15, AV-25VA15 Instructions Manual

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 as
picture an amplifier, personal computer, or a hair drier. Move
such devices away from your TV.
• Double-pictures • Interference occurs caused by signal reflecting from
(ghosting) occur 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 picture tube. This is not a malfunction.
were 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 try
menus operating the menus.
• Cannot operate the • Deactivate the CHILD LOCK function if it is turned on
front control buttons (see page 15).
20
• 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 is they are connected properly.
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 watching • In a certain VCR or DVD Player, the function might
TV on the other operate by the discontinuity of the signal.
channels, AUTO SIGNAL
DETECT works when
you press 1 , 7 , 3 , ¡
8
or on the front panel of
VCR or DVD Player.
• After TV was on, AUTO
• Video signal from VCR or DVD Player cause the
SIGNAL DETECT
function runs properly to indicate that there are video
works. signal on VIDEO-2 channel.