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8 TROUBLESHOOTING
8-2 No Error Indication
Symptoms
Causes
No power is supplied.
q Is the power cord disconnected?
q Is the [TIMER] indication shown?
q Is the Operation Lock mode
engaged?
Operation buttons have no effect
Is the Operation Lock mode
during recording and playback.
engaged?
No picture is shown during
q Is the monitor connected correctly?
playback.
q Is the [TIMER] indication lit?
Playback is not possible.
Is the [LP] indication blinking on the display?
If it is, it means you are trying to play
back the tape recorded in the LP mode.
Noise appears in the picture in
This is not a malfunction.
the Shuttle Search mode, Still
mode and Field Advance mode.
Noise appears in part of the
Is the tracking adjusted properly?
playback picture.
Noise appears in the picture in
Was the tape you are playing back
the L12H or L24H mode.
recorded in the L12H or L24H
mode? If not, noise appears.
When the cassette is played
Dust may have accumulated on the
back, the picture becomes rough
video heads.
or disappears.
No sound is heard during
q Are you recording in a timelapse
playback.
mode (except L12H and L24H)? If
so, sound is not recorded.
q During alarm scan, no sound is
output.
During playback, sound is high-
Are you playing back a tape
pitched and hard to hear.
recorded in the L12H, or L24H
Timelapse mode in the 3H (SP)
mode? In this case, sound is high-
pitched.
Recording is impossible.
Has the cassette safety tab been
removed?
Timer recording is not working.
q Is the clock set correctly? Is the
timer properly programmed?
q Is the [TIMER] indication lit?
The clock cannot be set.
Is the [TIMER] indication lit?
Tape running sound is heard in
During recording and playback, the
the Record, Play, FF and REW
VCR's motor and rotary heads are
modes.
running. The sound this generates is
normal and not a malfunction.
The time/date is not shown.
q Is the clock set?
q Is the <ON SCREEN MODE>
menu switch set to "OFF"?
Auto REW and repeat recording
Is the <TAPE END MODE> menu
are not possible during
switch in <ALARM/SENSOR
recording.
MODE> set to "STOP"?
Camera image is not switched.
Is the <CAMERA SW> menu switch
in <IN/OUT> set to "OFF"?
External recording is not
Is the <REPEAT REC> menu switch
possible.
in the <VTR MODE> menu set to
"ON"?
54
Remedies
q Connect the power cord to an AC outlet.
q Press the [TIMER] button so that the
[TIMER] indication goes out.
q Release the Operation Lock mode.
Release the Operation Lock mode.
q Connect the monitor correctly.
q Press the [TIMER] button to clear the
[TIMER] indication.
Tapes recorded in the LP mode cannot
be played back on this unit.
—
Adjust the tracking with the [TRACKNG
+/–] button.
Tracking adjustment is not possible in the
L12H and L24H Play modes.
Play back the tape in the 3H mode.
Clean the heads with a commercially-
available head cleaning tape. If the
picture quality is still unsatisfactory,
consult your local JVC dealer.
Use a tape on which sound is recorded.
(Record the tape in the L12H or L24H
mode.)
Play back the tape in the same mode
(L12H or L24H) as that used for
recording.
Paste a piece of cellophane tape over
the hole.
q Check again.
q Check it again.
Press the [TIMER] button so that the
[TIMER] indication goes out.
If you feel it is too noisy, install the VCR
in a rack.
q Set the clock.
q Set the <ON SCREEN MODE> menu
switch to "ON".
Set the <TAPE END MODE> menu
switch to "OFF".
When setting the camera switching timing on
this unit, set the menu switch to "1 FIELD" or
"2 FIELD".
To perform repeat recording using external
recording activation, set <REPEAT REC>
to "OFF" and <AUTO REW> to "ON".
9 OPTIONAL SA-K97U RS-232C INTERFACE BOARD
Functions that can be controlled with front panel buttons and switches can also be controlled from a personal computer when
the optional SA-K97U RS-232C interface board is installed. Operation status can also be monitored on the computer.
9-1 Installation of the SA-K97U
Rear panel
AC~IN
R S - 2 3 2 C
AC220-240V~50/60Hz
AUDIO
VIDEO
Y/C
CAM SW
ALARM
ALARM
COM
CLOCK
SERIES
IN
OUT
IN
REC OUT
RESET IN
RESET IN
MIC
ALARM
TAPE
WARNING
CLOCK
SERIES
REMOTE
COM
RESET
END OUT
OUT
RESET OUT
RESET OUT
OUT
SA-K97U installation section
Top cover
1.
2.
Plate
Screws
4.
3.
Screws
Wire (not used)
SA-K97U
5.
Connector
Wire
SA-K97U
AC~IN
R S - 2 3 2 C
AC220-240V~50/60Hz
VIDEO
AUDIO
Y/C
CAM SW
ALARM
ALARM
COM
CLOCK
SERIES
IN
OUT
IN
REC OUT
RESET IN
RESET IN
MIC
ALARM
TAPE
WARNING
CLOCK
SERIES
COM
RESET
END OUT
OUT
RESET OUT
RESET OUT
REMOTE
OUT
The procedure is shown below. However, to avoid
electric shock or injury, contact your local JVC
service center for details.
Note:
To avoid electric shock, be sure to unplug the power
cord from the AC outlet before installing the SA-K97U.
1. Detach the top cover.
Note:
Be careful when removing the top cover. The edges of
the cover could injure you if handled improperly.
Remove the 4 screws securing the top cover and lift it off.
2. Detach the plate in the VCR.
Remove the 2 screws on the rear panel. Detach the plate
from the inside of the VCR.
3. Detach the SA-K97U's wire.
* The SA-K97U's wire is not used.
4. Install the SA-K97U in the VCR.
Hold the board as shown in the illustration and secure it
using the screws removed previously in step 2.
5. Connect the VCR's wire to the SA-K97U's connector.
• Check the direction of the connector and connect it.
• Press both ends of the connector to firmly connect it.
6. Replace the top cover on the VCR and secure it with the
four screws previously removed in step 1.
55
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