Troubleshooting - JVC KV-M70 Instructions Manual

Troubleshooting

Please check the following items one more time.
When this occurs
There are red, blue and
green spots on the
screen.
There is sound output,
but no video output.
There is no television
image and also no
sound.
The wireless remote
controller does not
work.
There is no sound from
the speakers.
The screen is dark.
The screen black and
white portions are
inverted.
The screen is too white.
The color is thin.
The tint is off.
The image moves
upward/downward or
some colors are
missing from the
image.
This is a characteristic of liquid crystal panels and is not a
problem.
(The liquid crystal panel is built with very
high precision technology and has at least
99.99% effective image pixels. Be aware
that on 0.01% of the panel there may be
missing pixels or constantly light pixels.)
• Is the parking brake connection wire (gray color) connected?
• Was the parking brake lever pulled?
[Mode Button]
Is the input mode set properly?
• Has the battery run out?
• Is a strong light shining on the remote controller receiver?
• Is the remote controller for this tuner system being used?
[Speaker Volume Adjustment]
Is the volume on the lowest level?
[Brightness, Black Level and Contrast]
Are the settings properly adjusted?
[Color and Tint]
Are the settings properly adjusted?
[PAL/NTSC MODE Setting]
Is the proper monitor system selected?
Check these points
23
Reference
page
–
Refer to
the
installation
manual
7
9
10
13 to 16
19, 20
19, 20
17, 18