Troubleshooting - JVC KS-F545 Service Manual

TROUBLESHOOTING

What appears to be trouble is not always serious. Check the following points before calling a service
center.
Symptoms
• A cassette tape cannot
be inserted.
• A cassette tape cannot
be ejected.
• Cassette tapes become hot.
• Tape sound is at very low
level and sound quality
is degraded.
• Sound is sometimes
interrupted.
• Sound cannot be heard from
the speakers.
• SSM (Strong-station
Sequential Memory) automatic
preset does not work.
• Static noise while listening to
the radio.
• This unit does not work at all.
18
Causes
You have tried to insert a
cassette in the wrong way.
Cassette ejection is prohibited. While holding TAPE 23, press 0
This is not a malfunction.
The tape head is dirty.
Connections are not good.
The volume is turned to the
minimum level.
Connections are incorrect.
Signals are too weak.
The aerial is not connected
firmly.
The built-in microcomputer
may function incorrectly due
to noise, etc.
Remedies
Insert the cassette with the
exposed tape facing right.
(eject) for more than 2 seconds.
Clean it with a head cleaning tape.
Check the cords and connections.
Adjust it to the optimum level.
Check the cords and connections.
Store stations manually.
Connect the aerial firmly.
While holding SEL (select),
press (standby/on/
attenuator) for more than
2 seconds. (The clock setting and
preset stations stored in memory
are erased.) (See page 2.)