References; Troubleshooting - JVC GR-D850AG Instructions Manual

If, after following the steps in the chart below, the problem still exists, please consult your
nearest JVC dealer.
Problem
Recording cannot be
performed.
When shooting a
subject illuminated by
bright light, vertical
lines appear.
When the screen is
under direct sunlight
during shooting, the
screen becomes red or
black for an instant.
The LCD monitor
indications blink.
The focus does not
adjust automatically.
The image looks like
the shutter speed is
too slow.
Images on the LCD
monitor appear dark or
whitish.
Picture does not
appear on the LCD
monitor.
Aspect ratio is strange.
No power is supplied.
Possible Cause
• The tape's erase protection tab is
set to "SAVE".
• "TAPE END" appears.
• The cassette holder cover is open.
• This is not a malfunction.
• This is not a malfunction.
• Effects function that cannot be
used together are selected at the
same time.
• Focus is set to the Manual mode.
• The lens is dirty or covered with
condensation.
• When shooting in the dark, the
unit becomes highly sensitive to
light when "GAIN UP" is set to
"AUTO".
• In places subject to low
temperature, images become
dark due to the characteristics
of the LCD monitor. This is not a
malfunction.
• The LCD monitor's brightness
setting is too dark.
• The power is not connected
properly.
• The battery pack is not attached
fi rmly.
• The battery is dead.

Troubleshooting

Remedy
Set the tape's erase protection tab
to "REC" ( 18).
Replace with new cassette (
Close the cassette holder cover.
Re-read the sections covering
Effects ( 40).
Set Focus to the Auto mode (
Clean the lens and check the
focus again ( 36).
If you want the lighting to look
more natural, set "GAIN UP" to
"AGC" or "OFF" ( 30).
Adjust the brightness and angle of
the LCD monitor ( 12, 18).
Adjust the brightness of the LCD
monitor ( 18).
If the monitor is tilted upward 180
degrees, open the monitor fully
( 12).
If the aspect ratio of the video you
are playing is strange, change the
setting in "WIDE TV" (
Connect the AC Adapter securely.
( 16)
Detach the battery pack once
again and re-attach it fi rmly. (
Replace the dead battery with a
fully charged one. ( 16)
45
EN
18).
36).
32, 34).
16)