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Troubleshooting, Power tape transport playback recording, Possible cause – JVC HM-DH30000U User Manual

Page 70: Symptom, Corrective action

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70

EN

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.

POSSIBLE CAUSE

● The AC power cord is disconnected.
● The VCR is in the timer recording

standby mode with “AUTO TIMER”
set to “OFF” (

pg. 56).

● The child lock function is activated.

● The batteries are discharged.

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.

CORRECTIVE ACTION

Connect the AC power cord.

Press TIMER to disengage.

Press and hold POWER on the
Remote for more than seven seconds
to release the child lock function
(

␣ pg. 78).

Replace the dead batteries with new
ones.

SYMPTOM

1. The cassette gets stuck partway

during loading, and is ejected.

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.

POSSIBLE CAUSE

● The cassette was inserted incorrectly.

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 Hi-Fi sound cannot be heard.

POSSIBLE CAUSE

● The TV receiver is set to the wrong

mode.

● Automatic tracking is engaged.

● The video heads may be dirty.

● Audio Monitor setting is incorrect.

CORRECTIVE ACTION

Select the AV mode on the TV.

Disengage auto tracking and adjust
the tracking manually (

pg. 23).

The heads must be cleaned. Consult
your JVC dealer.

Set Audio Monitor to “HI-FI”
(

pg. 23).

CORRECTIVE ACTION

Insert a cassette.
Remove the cassette and cover the
hole with adhesive tape, or load a
cassette on which the record safety
tab is intact.

Select the appropriate channel on the
VCR.

Connect the components correctly
(

pg. 62, 64) or check “REAR AUX

L-1 (or L-2)” and “FRONT AUX F-1”
setting (

pg. 55).

Make sure the power to all units is on.

Select the appropriate input mode on
the recording VCR.

POSSIBLE CAUSE

● There is no cassette loaded.

● The loaded cassette has had its

record safety tab removed.

● The VCR has been set to “L-1”,

“L-2”, “F-1” or “I-1 etc.” input mode
by mistake.

● The components have been

incorrectly connected, or correct
video connector (S VIDEO, VIDEO
or DV) is not selected.

● The power to one or more of the

units has not been turned on.

● The recording VCR’s input mode has

been set incorrectly.

SYMPTOM

1. Recording will not start.

2. TV broadcasts will not be recorded

properly.

3. Tape-to-tape editing will not work.

POWER

TAPE TRANSPORT

PLAYBACK

RECORDING