Troubleshooting - JVC HM-DB1U Instructions Manual

D-vhs digital recorder
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TROUBLESHOOTING

Troubleshooting
Before requesting service, 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 VCR off for repair.
POWER
SYMPTOM
1. The power will not come on.
2. The clock works, but the VCR's
power will not come on.
3. The Remote will not function.
TAPE TRANSPORT
SYMPTOM
1. The cassette gets stuck partway
during loading, and is ejected.
PLAYBACK
SYMPTOM
1. The tape is running but the picture
will not appear.
2. Breaks are noticeable in Hi-Fi
sound track.
3. The playback picture is blurred or
interrupted, even though TV
broadcasts are clear.
4. The picture stops, or the black or
mosaic noise appears when playing
back a program recorded in D-VHS
mode.
5. The Hi-Fi sound cannot be heard.
6. The [D-VHS] indicator does not
light up when playing back a D-
VHS cassette.
7. The mosaic noise appears when
receiving the scenes with fast
action or switching the display.
8. The images produced are coarse,
even though it is HD playback.
POSSIBLE CAUSE
● The AC power cord is disconnected.
● The VCR is in the timer recording
standby mode with "AUTO TIMER"
set to "OFF" (
pg. 37).
● The batteries are weak.
POSSIBLE CAUSE
● The cassette was inserted incorrectly.
POSSIBLE CAUSE
● The TV receiver is set to the wrong
mode.
● Automatic tracking is engaged.
● The video heads may be dirty.
● The video heads may be dirty.
● The digital program is not recorded
in D-VHS mode.
● Audio Monitor setting is incorrect.
● The program is not recorded in
D-VHS mode.
● This occurs when receiving the
program with the low transfer rate.
● "STB MONITOR" is set to "ON",
thereby produces 525i images.
EN
CORRECTIVE ACTION
Connect the AC power cord.
Press [TIMER (‰)] to disengage.
Replace the dead batteries with new
ones.
CORRECTIVE ACTION
Make sure the cassette's window is
facing up, the rear label side is facing
you and the arrow on the front of the
cassette is pointing towards the VCR.
Then insert the cassette.
CORRECTIVE ACTION
Select the AV mode on the TV.
Disengage auto tracking and adjust
the tracking manually (
pg. 18).
The heads must be cleaned. Use an
optional dry cleaning cassette, or
consult your JVC dealer.
The heads must be cleaned. Use an
optional dry cleaning cassette, or
consult your JVC dealer.
To record in the D-VHS mode, use a
D-VHS cassette.
Set Audio Monitor to "HI-FI"
(
pg. 18).
To record the program in D-VHS
mode, press [D-VHS] so that the
[D-VHS] indicator lights up, then
perform the recording (
pg. 23).
This noise already appears in the
broadcast station, and this is not a
malfunction of your VCR.
Set "STB MONITOR" to "OFF"
(
pg. 38).
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