JVC HR-VP638U VCR User Manual


 
52
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 VCR off for repair.
POWER
POSSIBLE CAUSE
The power cord is disconnected.
The TIMER mode is engaged with
Auto Timer set to "OFF" ( pg. 41).
The batteries are discharged.
The A/B CODE switch is in the
wrong position.
The TV/CABLE/VCR switch is in the
wrong position.
SYMPTOM
1. The power won’t come on.
2. The clock works, but the VCR’s
power won’t come on.
3. The remote control won’t function.
CORRECTIVE ACTION
Connect the power cord.
Press TIMER to disengage.
Replace the dead batteries with new ones.
Re-perform the A/B Code setting
( pg. 51).
Set the switch to the position
corresponding with the unit you want
to operate.
TAPE TRANSPORT
POSSIBLE CAUSE
The cassette was inserted incorrectly.
The Counter Memory indicator
(“M”) is lit on the front display
panel.
SYMPTOM
1. The cassette gets stuck partway
during loading, and is ejected.
2. The tape stops during rewind or
fast forward.
CORRECTIVE ACTION
Make sure the window side is 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
Press C.MEMORY to disengage the
Counter Memory mode and extin-
guish the indicator.
SYMPTOM
1. The tape is running but the picture
won’t appear.
2. Noise appears during visual search.
3. Breaks are noticeable in Hi-Fi
soundtrack.
4. The playback picture is blurred or
interrupted, even though TV
broadcasts are clear.
5. The Hi-Fi soundtrack cannot be
heard.
6. SHUTTLE ring does not work
properly during search.
PLAYBACK
POSSIBLE CAUSE
If you’re using the RF OUT connec-
tion ( pg. 6), the channel selector
on the TV is set incorrectly.
If you’re using the AV connection
( pg. 6), the TV receiver is set to
the wrong mode.
This is normal.
Automatic tracking is engaged.
The video heads may be dirty.
The AUDIO MONITOR option at
the Function Set screen was set
incorrectly.
A turn of the SHUTTLE which is too
rapid may not be properly
recognized.
CORRECTIVE ACTION
Set the channel selector to channel 3
or 4.
Set the TV receiver to its AV mode.
Engage and adjust tracking manually
( pg. 26).
The heads must be cleaned. Consult
your JVC dealer (
pg. 60).
Set AUDIO MONITOR to "HI-FI"
( pg. 27).
Release the SHUTTLE, then turn it
again more slowly.