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JVC HR-J748 Manual

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EN 45
TROUBLESHOOTING
Before requesting service for a problem, use this chart and see if you can repair the trouble yourself. Small problems are often easily
corrected, and this can save you the trouble of sending your video recorder off for repair.
POSSIBLE CAUSE
● The mains power cord is discon-
nected.
● “‰“ is displayed on the display
panel with Auto Timer set to "OFF".
SYMPTOM
1. No power is applied to the
recorder.
2. The clock is functioning properly,
but the recorder cannot be
powered.
CORRECTIVE ACTION
Connect the mains power cord.
Press the TIMER button to turn the
“‰“ indicator off.
SYMPTOM
1. The tape does not run during
recording.
2. The tape stops during rewind or
fast-forward.
3. The tape will not rewind or fast-
forward.
CORRECTIVE ACTION
Press PLAY to turn the “^“ indicator
off.
Press C.MEMORY to deactivate the
Counter Memory function and turn
the “M“ indicator off.
Check the cassette.
SYMPTOM
1. The playback picture does not
appear while the tape is running.
2. Noise appears during visual search.
3. Noise appears during normal
playback.
4. Noise appears during slow-motion
playback.
5. Noise appears during still play-
back.
6. (HR-J748E/EH only) Breaks are
noticeable in Hi-Fi soundtrack
7. The playback picture is blurred or
interrupted while TV broadcasts are
clear.
POSSIBLE CAUSE
● If you’re using the RF OUT connec-
tion . . .
. . . the TV receiver’s channel selector
is not set to the VIDEO channel.
. . . the recorder's VIDEO channel
has not been correctly set.
● If you’re using the AV connection, the
TV receiver is not set to the AV mode.
● This is normal.
● The automatic tracking mode is
engaged.
● The automatic tracking mode is
engaged.
● Automatic tracking is engaged.
● The video heads may be dirty.
CORRECTIVE ACTION
If you are using the RF OUT connec-
tion . . .
. . . set the TV receiver to the VIDEO
channel. (੬ pg. 8)
. . . Perform "Video Channel Set"
(੬ pg. 8)
If you are using the AV connection,
set the TV to its AV mode.
Try manual tracking. (੬ pg. 14)
Try manual tracking. (੬ pg. 14)
Press TV PROG.+ or – a few times to
remove the noise bars from the screen.
Engage and adjust tracking manually.
(੬ pg. 14)
Consult your JVC dealer.
POSSIBLE CAUSE
● “^“ is displayed on the display
panel.
● “M“ is displayed on the display
panel.
● The tape is already fully rewound or
fast-forwarded.
CORRECTIVE ACTION
Insert a cassette, or using adhesive
tape, reseal the slot where the tab
was removed.
Set to the desired channel.
POSSIBLE CAUSE
● There is no cassette loaded, or the
cassette loaded has had its Record
Safety tab removed.
● “AU” has been selected as the input
mode.
SYMPTOM
1. Recording cannot be started.
2. TV broadcasts cannot be recorded.
CONTINUED ON NEXT PAGE.
RECORDING
PLAYBACK
TAPE TRANSPORT
POWER
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